MCP4641-503E/ST Microchip Technology, MCP4641-503E/ST Datasheet

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MCP4641-503E/ST

Manufacturer Part Number
MCP4641-503E/ST
Description
IC DGTL POT 50K 256TAPS 14-TSSOP
Manufacturer
Microchip Technology
Datasheet

Specifications of MCP4641-503E/ST

Package / Case
14-TSSOP
Taps
129
Resistance (ohms)
50K
Number Of Circuits
2
Temperature Coefficient
150 ppm/°C Typical
Memory Type
Non-Volatile
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Resistance In Ohms
50K
Number Of Pots
Dual
Taps Per Pot
128
Resistance
50 KOhms
Wiper Memory
Non Volatile
Digital Interface
Serial (2-Wire, I2C)
Operating Supply Voltage
2.5 V, 3.3 V, 5 V
Supply Current
2.5 uA
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP4641-503E/ST
Manufacturer:
MICROCHIP
Quantity:
12 000
Features
• Single or Dual Resistor Network options
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
• R
• Zero-Scale to Full-Scale Wiper operation
• Low Wiper Resistance: 75Ω (typ.)
• Low Tempco:
• Non-volatile Memory
• I
• Serial protocol allows:
• Resistor Network Terminal Disconnect Feature
• Write Protect Feature:
• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typ.)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Wide Operating Voltage:
• Wide Bandwidth (-3dB) Operation:
• Extended temperature range (-40°C to +125°C)
© 2008 Microchip Technology Inc.
- 7-bit: 128 Resistors (129 Steps)
- 8-bit: 256 Resistors (257 Steps)
- 5 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
- Absolute (Rheostat): 50 ppm typical
- Ratiometric (Potentiometer): 15 ppm typical
- Automatic Recall of Saved Wiper Setting
- WiperLock™ Technology
- 10 General Purpose Memory Locations
- 100 kHz, 400 kHz and 3.4 MHz support
- High-Speed Read/Write to wiper
- Read/Write to EEPROM
- Write Protect to be enabled/disabled
- WiperLock to be enabled/disabled
via the Terminal Control (TCON) Register
- Hardware Write Protect (WP) Control pin
- Software Write Protect (WP) Configuration bit
- 2.7V to 5.5V - Device Characteristics Specified
- 1.8V to 5.5V - Device Operation
- 2 MHz (typ.) for 5.0 kΩ device
2
AB
C Serial interface
(0°C to 70°C)
Resistances options of:
7/8-Bit Single/Dual I
MCP454X/456X/464X/466X
Non-Volatile Memory
2
C Digital POT with
Description
The MCP45XX and MCP46XX devices offer a wide
range of product offerings using an I
family of devices support 7-bit and 8-bit resistor
networks, Non-Volatile memory configurations, and
Potentiometer and Rheostat pinouts.
WiperLock Technology allows application-specific
calibration settings to be secured in the EEPROM.
Package Types (top view)
HVC/A0
HVC/A0
HVC / A0
HVC / A0
SDA
P1W
* Includes Exposed Thermal Pad (EP); see
SCL
SDA
Single Potentiometer
SCL
P1B
P1A
P1B
V
V
SDA
SDA
SCL
SCL
V
SS
SS
V
SS
SS
DFN 3x3 (MF) *
MCP45X1
1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
4
MCP46X1 Dual Potentiometers
TSSOP
1
2
3
4
MSOP
MSOP
MCP46X2 Dual Rheostat
EP
9
14
13
12
11
10
10
8
7
6
5
9
8
9
8
7
6
8
7
6
5 P0W
V
P0B
P0W
P0A
P1W
V
A1
P0B
V
A1
A2
WP
P0B
P0W
P0A
V
A1
P0B
P0W
DD
DD
DD
DD
HVC / A0
HVC / A0
HVC / A0
SDA
SCL
V
V
SS
SS
QFN-16 4x4 (ML) *
SDA
SDA
SCL
SCL
P1B 5
SDA
SCL
V
V
V
Single Rheostat
1
2
3
4
SS
SS
SS
DFN 3x3 (MF) *
DFN 3x3 (MF) *
16
MCP45X2
5 6 7 8
2
1
2
3
4
1
2
3
4
C interface. This
DS22107A-page 1
15 14 13
1
2
3
4
MSOP
EP
17
EP
EP
11
Table
9
8
7
6
5
12
11
10
10
9
8
7
6
5 P0W
9
8
7 P0W
6 P1W
3-1.
WP
NC
P0B
P0W
V
A1
P0B
P0W
V
A1
P0B
V
A1
P0B
DD
DD
DD

Related parts for MCP4641-503E/ST

MCP4641-503E/ST Summary of contents

Page 1

... Device Characteristics Specified - 1.8V to 5.5V - Device Operation • Wide Bandwidth (-3dB) Operation MHz (typ.) for 5.0 kΩ device • Extended temperature range (-40°C to +125°C) © 2008 Microchip Technology Inc Digital POT with Non-Volatile Memory Description The MCP45XX and MCP46XX devices offer a wide ...

Page 2

... MCP4551 1 Potentiometer (3) MCP4552 1 Rheostat (1) MCP4561 1 Potentiometer MCP4562 1 Rheostat (3) (1) MCP4631 2 Potentiometer (3) MCP4632 2 Rheostat (1) MCP4641 2 Potentiometer MCP4642 2 Rheostat (3) (1) MCP4651 2 Potentiometer (3) MCP4652 2 Rheostat (1) MCP4661 2 Potentiometer MCP4662 2 Rheostat Note 1: Floating either terminal ( allows the device to be used as a Rheostat (variable resistor). 2: Analog characteristics only tested from 2.7V to 5.5V unless otherwise noted. ...

Page 3

... DIS DD DD © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X † Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied ...

Page 4

... Write all 0’s to Volatile Wiper 5.5V 100 kHz DD SCL EE Write Current (Write Cycle) (Non-Volatile device only 5.5V 400 kHz, DD SCL Write all 0’s to NonVolatile Wiper 0 SCL = Serial Interface Inactive, (Stop condition, SCL = SDA = Wiper = 5.5V, HVC/ specification PU © 2008 Microchip Technology Inc. ...

Page 5

... POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network 11: When HVC/ the I IHH © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min Typ Max Units 4 ...

Page 6

... Conditions Terminal Full-Scale (FS) Terminal Zero Scale (ZS) Terminal 0V 5.5V 4000 AB(MIN 0V 5.5V, A Terminal 8000 AB(MIN) and 0V Terminal 5.5V 40000 AB(MIN 0V 5.5V 80000 AB(MIN) MCP4XX1 PxA = PxW = PxB = V SS MCP4XX2 PxB = PxW = V SS Terminals Disconnected (R1HW = R0HW = 0) specification PU © 2008 Microchip Technology Inc. ...

Page 7

... POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network 11: When HVC/ the I IHH © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min Typ Max Units -6 ...

Page 8

... DD A Conditions 5 kΩ 8-bit Code = 80h 7-bit Code = 40h 10 kΩ 8-bit Code = 80h 7-bit Code = 40h 50 kΩ 8-bit Code = 80h 7-bit Code = 40h 100 kΩ 8-bit Code = 80h 7-bit Code = 40h specification PU © 2008 Microchip Technology Inc. ...

Page 9

... POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network 11: When HVC/ the I IHH © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min Typ Max Units -1 ...

Page 10

... W 3.0V µA W (Note 7) 7-bit 5.5V µA W 3.0V µA W (Note 7) 100 kΩ 8-bit 5.5V µA W 3.0V µA W (Note 7) 7-bit 5.5V µA W 3.0V µA W (Note MHz, Code = Full-Scale f =1 MHz, Code = Full-Scale f =1 MHz, Code = Full-Scale specification PU © 2008 Microchip Technology Inc. ...

Page 11

... POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network 11: When HVC/ the I IHH © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min Typ Max Units — ...

Page 12

... HVC pin 5.5V HVC V = 5.5V HVC and 3.4 MHz C 8-bit device 7-bit device All Terminals connected 8-bit WiperLock Technology = Off 7-bit WiperLock Technology = Off 8-bit V = 2.7V to 5.5V 2.7V, Code = 80h A 7-bit V = 2.7V to 5.5V 2.7V, Code = 40h A specification PU © 2008 Microchip Technology Inc. ...

Page 13

... Hold time STOP condition SU STO Setup time STOP condition HD STO Hold time © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Standard Operating Conditions (unless otherwise specified) –40°C ≤ T Operating Temperature Operating Voltage V range is described in DD Min Max Units Standard Mode 0 100 Fast Mode ...

Page 14

... MHz mode 320 3.4 MHz mode 160 — 102 92 110 ≤ +125°C (Extended) A AC/DC characteristics Units Conditions ns 1.8V-5.5V ns 2.7V-5.5V ns 4.5V-5.5V ns 4.5V-5.5V ns 1.8V-5.5V ns 2.7V-5.5V ns 4.5V-5.5V ns 4.5V-5.5V 2 C-bus system, but the 2 C bus specification) before specification, but © 2008 Microchip Technology Inc. ...

Page 15

... A Master Transmitter must provide a delay to ensure that difference between SDA and SCL fall times do not unintentionally create a Start or Stop condition. 7: Ensured by the T 3.4 MHz specification test. AA © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Standard Operating Conditions (unless otherwise specified) –40°C ≤ T Operating Temperature Operating Voltage V ...

Page 16

... Cb = 100 pF, Note 1, Note 400 pF, Note 1, Note 100 pF, Note 1 ns Time the bus must be free before a new transmission ns can start Philips Spec states N. Spike suppression ns Spike suppression 2 C-bus system, but the 2 C bus specification) before specification, but © 2008 Microchip Technology Inc. ...

Page 17

... Thermal Package Resistances Thermal Resistance, 8L-DFN (3x3) Thermal Resistance, 8L-MSOP Thermal Resistance, 8L-SOIC Thermal Resistance, 10L-DFN (3x3) Thermal Resistance, 10L-MSOP Thermal Resistance, 14L-MSOP Thermal Resistance, 14L-SOIC Thermal Resistance, 16L-QFN © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = +2.7V to +5.5V Sym Min Typ Max Units ...

Page 18

... MCP454X/456X/464X/466X NOTES: DS22107A-page 18 © 2008 Microchip Technology Inc. ...

Page 19

... FIGURE 2-2: Device Current ( (HVC = V ) vs. Ambient Temperature 420 400 380 360 340 320 300 - Temperature (°C) FIGURE 2-3: Write Current (I Ambient Temperature. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = 5V 0V 250 200 150 100 50 0 120 vs FIGURE 2-4: DD Resistance (R Input Voltage (V ...

Page 20

... Rw -40C INL 25C INL 85C INL 125C INL 6 -40C DNL 25C DNL 85C DNL 125C DNL INL -40°C 25°C DNL 85° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω Rheo Mode – 3.0V). DD © 2008 Microchip Technology Inc. ...

Page 21

... Note: Unless otherwise indicated +25° 5300 5250 5200 5150 5100 5050 - Ambient Temperature (°C) Ω FIGURE 2-10 – Nominal Resistance Ω vs. Ambient Temperature and V © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = 5V 0V 6000 5000 4000 2.7V 3000 2000 1000 5. 120 0 FIGURE 2-11: . ...

Page 22

... FIGURE 2-14 – Power-Up Wiper Response Time (20 ms/Div). DS22107A-page FIGURE 2-15: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-16: = 2.7V) Increment Wiper Settling Time ( µs/Div). Ω – Low-Voltage = 5.5V) DD Ω – Low-Voltage = 2.7V) DD © 2008 Microchip Technology Inc. ...

Page 23

... Wiper Setting (decimal) Ω FIGURE 2-18 Pot Mode – R INL (LSb), DNL (LSb) vs. Wiper Setting and Ambient Temperature (V = 3.0V). DD © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = 5V 0V 0.3 120 125C Rw 125C INL 0.2 125C DNL 100 0.1 ...

Page 24

... Ambient Temperature and V DS22107A-page 12000 10000 8000 6000 4000 2000 0 80 120 0 FIGURE 2-22: . Setting and Ambient Temperature. DD -40°C 25°C 85°C 125° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω – vs. Wiper WB © 2008 Microchip Technology Inc. ...

Page 25

... Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-24 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-25 – Power-Up Wiper Response Time (1 µs/Div). © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = 5V 0V FIGURE 2-26: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-27: = 2.7V) ...

Page 26

... INL 125C INL 0.75 -40C DNL 25C DNL 85C DNL 125C DNL INL 0.5 DNL 0.25 0 -0. -0.5 -40°C -0.75 25°C 85° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω Rheo Mode – 3.0V). DD © 2008 Microchip Technology Inc ...

Page 27

... Ambient Temperature (°C) Ω FIGURE 2-32 – Nominal Resistance Ω vs. Ambient Temperature and V © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = 5V 0V 60000 50000 40000 30000 20000 10000 0 80 120 0 FIGURE 2-33: . Setting and Ambient Temperature. ...

Page 28

... FIGURE 2-36 – Power-Up Wiper Response Time (1 µs/Div). DS22107A-page FIGURE 2-37: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-38: = 2.7V) Increment Wiper Settling Time ( µs/Div). Ω – Low-Voltage = 5.5V) DD Ω – Low-Voltage = 2.7V) DD © 2008 Microchip Technology Inc. ...

Page 29

... Wiper Setting (decimal) Ω FIGURE 2-40: 100 k Pot Mode – R INL (LSb), DNL (LSb) vs. Wiper Setting and Ambient Temperature (V = 3.0V). DD © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = 5V 0V 0.2 120 125C Rw 125C INL 125C DNL 100 ...

Page 30

... Ambient Temperature and DS22107A-page 120000 100000 80000 60000 40000 20000 0 80 120 0 FIGURE 2-44: Setting and Ambient Temperature. -40°C 25°C 85°C 125° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω 100 k – vs. Wiper WB © 2008 Microchip Technology Inc. ...

Page 31

... FIGURE 2-45: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-46: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = 5V 0V FIGURE 2-47: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-48 ...

Page 32

... FIGURE 2-52: Resistor Network and Temperature. DD 5.5V 3. 120 Temperature (°C) Resistor Network 0 to Ω ( Mismatch vs. AB 5.5V 3. 110 Temperature (°C) Resistor Network 0 to Ω (100 k ) Mismatch vs. AB © 2008 Microchip Technology Inc. ...

Page 33

... Temperature (°C) FIGURE 2-53: V (SDA, SCL) vs Temperature. 2 5.5V 1.5 2. Temperature (°C) FIGURE 2-54: V (SDA, SCL) vs Temperature. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X = 5V 0V 230 210 190 170 150 130 110 -40 80 120 and FIGURE 2-55: DD Temperature (I 80 120 and DD 2 ...

Page 34

... Cycle Time vs. V and Temperature. DD 1.2 1 0.8 0.6 0.4 0 Temperature (°C) FIGURE 2-57: POR/BOR Trip point vs. V and Temperature. DS22107A-page 34 2.1 Test Circuits V IN Offset GND 80 120 FIGURE 2-58: Test. 5.5V 2.7V 80 120 DD + OUT Gain vs. Frequency © 2008 Microchip Technology Inc. ...

Page 35

... The DFN and QFN packages have a contact on the bottom of the package. This contact is conductively connected to the die substrate, and therefore should be unconnected or connected to the same ground as the device’s V pin. SS © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Table 3-1. Weak Pull-up/ Buffer ...

Page 36

... This pad could be SS used to assist as a heat sink for the device when con- . nected to a PCB heat sink. DD and interface’s Address 2 pin. Along 2 C bus interface’s Address 1 pin. Along 2 C bus < V (2.7V), the electrical DD min © 2008 Microchip Technology Inc. ...

Page 37

... Volatile wiper register is loaded with value in the corresponding non-volatile wiper register • The TCON register is loaded it’s default value • The device is capable of digital operation © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X 4.1.2 BROWN-OUT RESET When the device powers down, the device V ...

Page 38

... There are four Volatile Memory locations. These are: • Volatile Wiper 0 • Volatile Wiper 1 (Dual Resistor Network devices only) • Status Register • Terminal Control (TCON) Register The volatile memory starts functioning at the RAM retention voltage (V Disabled Disabled Disabled Disabled Register 4-1). ). RAM © 2008 Microchip Technology Inc. ...

Page 39

... After a POR or BOR event, the WL0 bit is loaded with the non-volatile WL0 bit value. Note 1: Requires a High Voltage command to modify the state of this bit (for Non-Volatile devices only). This bit is Not directly written, but reflects the system state (for this feature). © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X commands. R-1 ...

Page 40

... EEPROM memory is Write Protected 0 = EEPROM memory can be written Note 1: Requires a High Voltage command to modify the state of this bit (for Non-Volatile devices only). This bit is Not directly written, but reflects the system state (for this feature). DS22107A-page 40 © 2008 Microchip Technology Inc. ...

Page 41

... The Host Controller needs to detect the POR/BOR event and then update the Volatile TCON register value. Additionally, there is a bit which enables the operation of General Call commands. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Register 4-2 DS22107A-page 41 ...

Page 42

... P0B pin is disconnected from the Resistor 0 Network Note 1: These bits do not affect the wiper register values. DS22107A-page 42 (1) R/W-1 R/W-1 R/W-1 R1W R1B R0HW U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared x = Bit is unknown R/W-1 R/W-1 R/W-1 R0A R0W R0B bit 0 © 2008 Microchip Technology Inc. ...

Page 43

... INL) for the smaller resistance devices compared to larger resistance devices (100.0 kΩ). FIGURE 5-1: Resistor Block Diagram. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X 5.1 Resistor Ladder Module The resistor ladder is a series of equal value resistors (R ) with a connection point (tap) between the two S resistors ...

Page 44

... POR/BOR OPERATION WHEN WIPERLOCK TECHNOLOGY ENABLED The WiperLock Technology state is not affected by a POR/BOR event. A POR/BOR event will load the Volatile Wiper register value with the Non-Volatile Wiper register value, refer to Section 4.1. Modify Write © 2008 Microchip Technology Inc. ...

Page 45

... RxA, RxW, and RxB bits FIGURE 5-2: Resistor Network Shutdown Configuration. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X 5.4.2 INTERACTION OF RxHW BIT AND RxA, RxW, AND RxB BITS (TCON REGISTER) Using the TCON bits allows each resistor network (Pot 0 and Pot individually “ ...

Page 46

... MCP454X/456X/464X/466X NOTES: DS22107A-page 46 © 2008 Microchip Technology Inc. ...

Page 47

... This pin could be tied high, low, or connected to an I/O pin of the Host Controller. 2 FIGURE 6-1: Typical I C Interface Block Diagram. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X 2 C) 6.1 Signal Descriptions 2 2 The I C interface uses up to five pins (signals). These ...

Page 48

... After device has received address and command A After device has received address and command, and valid condi- tions for EEPROM write 2 N. Module Resets “Don’t Care” if the colli- sion occurs on the Masters “Start bit”. © 2008 Microchip Technology Inc. ...

Page 49

... Data allowed START to change Condition 2 FIGURE 6- Data States and Bit Sequence. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X 6.2.1.5 The Stop bit (see Data Transfer Sequence. The Stop bit is defined as the SDA signal rising when the SCL signal is “High”. A Stop bit resets the I devices ...

Page 50

... Schmidt trigger at SDA and SCL inputs. Slave Address See Table 6-2 R/W bit R write R read Slave Address Bits in the DEVICE SLAVE ADDRESSES Comment Supports devices. Note 1 Supports devices. Note 1 devices. Note 1 Supports devices. Note 1 © 2008 Microchip Technology Inc. ...

Page 51

... A = Not Acknowledge bit R/W = Read/Write bit P = Stop bit (Stop condition terminates HS Mode) FIGURE 6-10: HS Mode Sequence. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X After switching to the High-Speed mode, the next transferred byte is the I the device to communicate with, and any number of data bytes plus acknowledgements. The Master ...

Page 52

... Note 1: Any other code is Not Acknowledged. These codes may be used by other devices on the I 2: The 7-bit command always appends a “0” to form 8-bits “d” is the D8 bit for the 9-bit write value. Comment 2 C bus. © 2008 Microchip Technology Inc. ...

Page 53

... Write Next Byte (Third Byte) to TCON Register. The Following is a “Hardware General Call” Format General Call Address FIGURE 6-11: General Call Formats. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Second Byte “7-bit Command” Specification - Philips # 9398 393 40011, Ver. 2.1 January 2000) Second Byte ...

Page 54

... MCP454X/456X/464X/466X NOTES: DS22107A-page 54 © 2008 Microchip Technology Inc. ...

Page 55

... High Voltage Increment and Decrement commands on select non-volatile memory locations enable/disable WiperLock Technology and the software Write Protect feature. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Normal serial commands are those where the HVC pin is driven mands, the HVC pin is driven to V there are four possible commands. ...

Page 56

... Write Protect Disable — Write Protect Enable © 2008 Microchip Technology Inc. ...

Page 57

... Write Protect is enabled the command is executed using with address 02h or 03h, that corresponding wiper is unlocked or if with address 0Fh, then Write Protect is disabled. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X 7.3 Error Condition If the four address bits received (AD3:AD0) and the two ...

Page 58

... High Voltage operational state. High Voltage commands allow the device’s WiperLock Technology and write protect features to be enabled and disabled. The HVC pin has an internal resistor connection to the MCP45XX/46XXs internal completes Control Byte. Figure 7-3 signal. DD © 2008 Microchip Technology Inc. ...

Page 59

... WRITE Command WRITE Command Only functions when writing the volatile wiper registers (AD3:AD0 = 00h, 01h, and 04h) Note: or the TCON register 2 FIGURE 7- Continuous Volatile Wiper Write. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Device Memory Write “Data” bits Command Address ...

Page 60

... SDA signal. All signals will be ignored until the next valid Start condition and Control Byte are received. signal TRANSMISSION AND 2 C © 2008 Microchip Technology Inc. ...

Page 61

... The MCP45XX/46XX retains the last “Device Memory Address” that it has received. This is the MCP45XX/46XX does not “corrupt” the “Device Memory Address” after Repeated Start or Stop conditions. 2 FIGURE 7- Random Read. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Read Data bits ...

Page 62

... The Master Device will Not Acknowledge, and the MCP45XX/46XX will release the bus so the Master Device can generate a Stop or Repeated Start condition. 2 FIGURE 7- Continuos Reads. DS22107A-page 62 Read Data bits Read bits Read Data bits Read Data bits STOP bit © 2008 Microchip Technology Inc. ...

Page 63

... Read, or Write). 2 FIGURE 7- Increment Command Sequence. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X The advantage of using an Increment Command instead of a read-modify-write series of commands is speed and simplicity. The wiper will transition after each Command Acknowledge when accessing the volatile wiper registers ...

Page 64

... Address Command DECR Command (n-1) DECREMENT OPERATION VS. VOLATILE WIPER VALUE Decrement Wiper (W) Command Properties Operates? Reserved No (Full-Scale (W = A)) Full-Scale ( Yes (Mid-Scale) Yes Zero Scale ( (~8.5V) on the IHH level to the 1st edge IHH signal DECR Command (n-2) © 2008 Microchip Technology Inc. ...

Page 65

... C Disable Command Sequence. Fixed Address Control Byte 2 FIGURE 7-10 Enable Command Sequence. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X 7.8.1 SINGLE MODIFY (ENABLE OR DISABLE) WRITE PROTECT OR WIPERLOCK TECHNOLOGY (HIGH VOLTAGE) Figure 7-9 (Disable) and Incre- the formats for a single Modify Write Protect or Wiper- Lock Technology command ...

Page 66

... MCP454X/456X/464X/466X NOTES: DS22107A-page 66 © 2008 Microchip Technology Inc. ...

Page 67

... C 2 FIGURE 8-1: Using the TC1240A to generate the V voltage. IHH © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X The circuit in Figure 8-2 MCP402X Non-volatile Digital Potentiometer Evalua- tion Board (Part Number: MCP402XEV). This method requires that the system voltage be approximately 5V. This ensures that when the PIC10F206 enters a ...

Page 68

... S P Nine bits of ‘1’ Start bit Stop bit Software Reset Sequence 2 C bus low to acknowledge the data sent 2 C bus activity. The 2 C devices © 2008 Microchip Technology Inc ...

Page 69

... Time from one I C command completed to completing the next I I2CDLY FIGURE 8-6: Example Comparison of “Normal Operation” vs. “General Call Operation” wiper Updates. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Figure 8-5 shows two I cases, the single I adequate. For applications that do not want all the ...

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... EEPROM. This ensures that the since High Voltage is not present under normal operating conditions, that these values can not be modified Figure 2-10, 2-32, and Figure 2-43. resistance the Serial Interface pins IHH © 2008 Microchip Technology Inc. ...

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... The custom device will have a “P” (for Pull-up) after the resistance version in the Product Identification System. These device will not be available through Microchip’s online Microchip Direct nor Microchip’s Sample sys- tems. Example part number: MCP4641-103PE/ST © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X DS22107A-page 71 ...

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... MCP454X/456X/464X/466X NOTES: DS22107A-page 72 © 2008 Microchip Technology Inc. ...

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... Optimizing the Digital Potentiometer in Precision Circuits AN219 Comparing Digital Potentiometers to Mechanical Potentiometers — Digital Potentiometer Design Guide — Signal Chain Design Guide © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X 10.2 Technical Documentation Several additional technical documents are available to assist you in your design and development. These technical documents Technical Briefs, and Design Guides ...

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... MCP454X/456X/464X/466X NOTES: DS22107A-page 74 © 2008 Microchip Technology Inc. ...

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... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X Code Part Number Code ...

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... MCP4642-103E/MF NNN MCP4642-104E/MF MCP4642-503E/MF 10-Lead MSOP Part Number XXXXXX MCP4642-502E/UN YWWNNN MCP4642-103E/UN MCP4642-104E/UN MCP4642-503E/UN 14-Lead TSSOP (MCP4641, MCP4661) XXXXXXXX YYWW NNN 16-Lead QFN (MCP4641, MCP4661) XXXXX XXXXXX XXXXXX YWWNNN DS22107A-page 76 Code Part Number Code AAFA MCP4662-502E/MF AAQA AAGA MCP4662-103E/MF AARA AAJA ...

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... D N NOTE TOP VIEW A3 © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X b EXPOSED PAD E K BOTTOM VIEW A NOTE NOTE DS22107A-page 77 ...

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... MCP454X/456X/464X/466X DS22107A-page 78 © 2008 Microchip Technology Inc. ...

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... D N NOTE © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X φ L DS22107A-page 79 ...

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... MCP454X/456X/464X/466X D N NOTE TOP VIEW A3 DS22107A-page EXPOSED PAD BOTTOM VIEW A A1 NOTE NOTE © 2008 Microchip Technology Inc. ...

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... Microchip Technology Inc. MCP454X/456X/464X/466X DS22107A-page 81 ...

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... MCP454X/456X/464X/466X D N NOTE DS22107A-page φ © 2008 Microchip Technology Inc. ...

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... D N NOTE © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X φ L DS22107A-page 83 ...

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... MCP454X/456X/464X/466X D E TOP VIEW A A1 DS22107A-page 84 EXPOSED PAD NOTE 1 BOTTOM VIEW © 2008 Microchip Technology Inc. ...

Page 85

... Microchip Technology Inc. MCP454X/456X/464X/466X DS22107A-page 85 ...

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... MCP454X/456X/464X/466X NOTES: DS22107A-page 86 © 2008 Microchip Technology Inc. ...

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... APPENDIX A: REVISION HISTORY Revision A (November 2008) • Original Release of this Document. © 2008 Microchip Technology Inc. MCP454X/456X/464X/466X DS22107A-page 87 ...

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... MCP454X/456X/464X/466X NOTES: DS22107A-page 88 © 2008 Microchip Technology Inc. ...

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... Device MCP4641-103E/XX: 10 kΩ, 8-LD Device MCP4641-503E/XX: 50 kΩ, 8LD Device MCP4641-104E/XX: 100 kΩ, 8LD Device MCP4641T-104E/XX: T/R, 100 kΩ, 8LD Device MCP4642-502E/XX: 5 kΩ, 8LD Device MCP4642-103E/XX: 10 kΩ, 8-LD Device MCP4642-503E/XX: 50 kΩ, 8LD Device MCP4642-104E/XX: 100 kΩ ...

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... MCP454X/456X/464X/466X NOTES: DS22107A-page 90 © 2008 Microchip Technology Inc. ...

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... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2008 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...

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