MCP4132-502E/MS Microchip Technology, MCP4132-502E/MS Datasheet

IC RHEO DGTL SNGL 5K SPI 8MSOP

MCP4132-502E/MS

Manufacturer Part Number
MCP4132-502E/MS
Description
IC RHEO DGTL SNGL 5K SPI 8MSOP
Manufacturer
Microchip Technology
Datasheets

Specifications of MCP4132-502E/MS

Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Taps
129
Resistance (ohms)
5K
Number Of Circuits
1
Temperature Coefficient
150 ppm/°C Typical
Memory Type
Volatile
Interface
SPI Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Resistance In Ohms
5K
Number Of Pots
Single
Taps Per Pot
128
Resistance
5 KOhms
Wiper Memory
Volatile
Digital Interface
Serial (SPI)
Operating Supply Voltage
2.5 V, 3.3 V, 5 V
Supply Current
1 mA
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
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 (typical)
• Low Tempco:
• SPI Serial Interface (10 MHz, modes 0,0 & 1,1)
• Resistor Network Terminal Disconnect Feature
• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typical)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• Internal weak pull-up on all digital inputs
• Wide Operating Voltage:
• Wide Bandwidth (-3 dB) 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
- High-Speed Read/Writes to wiper registers
- SDI/SDO multiplexing (MCP41X1 only)
via:
- Shutdown pin (SHDN)
- Terminal Control (TCON) Register
- 2.7V to 5.5V - Device Characteristics
- 1.8V to 5.5V - Device Operation
- 2 MHz (typical) for 5.0 kΩ device
7/8-Bit Single/Dual SPI Digital POT with Volatile Memory
AB
(0°C to 70°C)
Specified
Resistances options of:
MCP413X/415X/423X/425X
Description
The MCP41XX and MCP42XX devices offer a wide
range of product offerings using an SPI interface. This
family of devices support 7-bit and 8-bit resistor
networks, and Potentiometer and Rheostat pinouts.
Package Types (top view)
SDI/SDO
P1W
SCK
P1B
P1A
V
SDI
SDI/SDO
CS
PDIP, SOIC, TSSOP
SS
* Includes Exposed Thermal Pad (EP); see
SCK
SCK
P1B
V
V
SDI
Single Potentiometer
SCK
CS
CS
PDIP, SOIC, MSOP
SS
SS
V
CS
1
2
3
4
5
6
7
SS
MSOP, DFN
MCP42X1 Dual Potentiometers
1
2
3
4
MCP41X1
3x3 DFN*
1
2
3
4
5
1
2
3
4
14
13
12
11
10
EP
9
9
8
MCP42X2 Dual Rheostat
10
8
7
6
5
V
SDO
SHDN
WP
P0B
P0W
P0A
9
8
7
6
DD
8
7
6
5 P0A
V
P0B
P0W
P0A
V
SDO
P0B
P0W
P1W
DD
V
P0B
P0W
DD
DD
SCK
V
V
SDI
SS
SS
SCK
P1B
V
SDI
CS
SS
SCK
1
2
3
4
V
SDI
CS
SCK
PDIP, SOIC, MSOP
SS
V
SDI
16
CS
5
1
2
3
4
5
Single Rheostat
SS
4x4 QFN*
3x3 DFN*
1
2
3
4
MCP41X2
15 14 13
3x3 DFN*
6
DS22060B-page 1
EP
17
1
2
3
4
EP
11
7
EP
9
Table
8
10
8
7
6
5
9
8
7 P0W
6
12
10
11
8
7
6
5 P0W
9
V
SDO
P0B
3-1.
P1W
V
SDO
P0B
P0W
DD
DD
V
SDO
P0B
WP
NC
P0B
P0W
DD

Related parts for MCP4132-502E/MS

MCP4132-502E/MS Summary of contents

Page 1

... Device Operation • Wide Bandwidth (-3 dB) Operation MHz (typical) for 5.0 kΩ device • Extended temperature range (-40°C to +125°C) © 2008 Microchip Technology Inc. Description The MCP41XX and MCP42XX devices offer a wide range of product offerings using an SPI interface. This family of devices support 7-bit and 8-bit resistor networks, and Potentiometer and Rheostat pinouts ...

Page 2

... SCK SDI SDO NC SHDN For Dual Potentiometer Devices Only Memory (4x9) Wiper0 Wiper1 TCON STATUS Device Features Wiper Device Configuration (3) (1) MCP4131 1 Potentiometer (3) MCP4132 1 Rheostat (1) MCP4141 1 Potentiometer MCP4142 1 Rheostat (3) (1) MCP4151 1 Potentiometer (3) MCP4152 1 Rheostat (1) MCP4161 1 Potentiometer MCP4162 1 Rheostat (3) (1) MCP4231 2 Potentiometer ...

Page 3

... I Pdis = © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X † 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

... IL IH IHH DD 4.5V RAM retention voltage (V ) < V RAM BOR Serial Interface Active 5.5V SCK @ 5 MHz write all ’s to volatile Wiper 0 (address 0 0h) Serial Interface Inactive 5. Serial Interface Active 5.5V IHH SCK @ 5 MHz, decrement volatile Wiper 0 (address 0h) © 2008 Microchip Technology Inc. ...

Page 5

... The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD ...

Page 6

... MCP4XX1 devices only 7-bit (Note 2) 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 © 2008 Microchip Technology Inc. ...

Page 7

... The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD ...

Page 8

... W 3.0V (Note 7) 1.8V 7-bit 5.5V µA W 3.0V (Note 7) 1.8V 100 kΩ 8-bit 5.5V µA W 3.0V (Note 7) 1.8V 7-bit 5.5V µA W 3.0V (Note 7) 1. MHz, Code = Full-Scale f =1 MHz, Code = Full-Scale f =1 MHz, Code = Full-Scale © 2008 Microchip Technology Inc. ...

Page 9

... The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD ...

Page 10

... and and V . WZSE WFSE ), which changes significantly over voltage and W ≤ +125°C (extended 5.5V +25° Conditions 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 © 2008 Microchip Technology Inc. ...

Page 11

... SDO data output valid after SCK↓ edge 83 CS Inactive (V ) after SCK↑ edge IH 84 Hold time of CS Inactive ( Active ( IHH Note 1: This specification by design. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X V IHH MSb BIT6 - - - - - -1 75, 76 BIT6 - - - -1 74 Symbol Min F — SCK — ...

Page 12

... Max Units Conditions 10 MHz V = 2. MHz V = 1.8V to 2.7V DD — ns — 2.7V to 5.5V DD — 1.8V to 2.7V DD — 2.7V to 5.5V DD — 1.8V to 2.7V DD — ns — Note 2.7V to 5.5V DD 170 1. — 2. 1.8V to 2.7V DD — ns © 2008 Microchip Technology Inc. ...

Page 13

... This table is for the devices where the SPI’s SDI and SDO pins are multiplexed (SDI/SDO) and a Read command is issued. This is NOT required for SDI/SDO operation with the Increment, Decrement, or Write commands. This data rate can be increased by having external pull-up resistors to increase the rising edges of each bit. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X Symbol Min ...

Page 14

... JA θ — 149.5 — °C/W JA θ — 57 — °C/W JA θ — 211 — °C/W JA θ — 70 — °C/W JA θ — 95.3 — °C/W JA θ — 100 — °C/W JA θ — 47 — °C GND. SS Conditions © 2008 Microchip Technology Inc. ...

Page 15

... SCK (V = 2.7V and 5.5V). DD 3.0 2.5 5.5V 2.0 1.5 1.0 2.7V 0.5 0.0 - Ambient Temperature (°C) FIGURE 2-2: Device Current ( ( vs. Ambient Temperature © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X = 5V 0V 250 200 150 100 50 0 10.00 12. vs. SPI FIGURE 2-3: DD Resistance (R Voltage ( ...

Page 16

... Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 98 INL DNL 128 192 256 Wiper Setting (decimal) ) with respect to device W Ω Ω Rheo Mode – 1.8V). DD © 2008 Microchip Technology Inc. ...

Page 17

... Ambient Temperature (°C) Ω FIGURE 2-11 – Nominal Resistance Ω vs. Ambient Temperature and V © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X = 5V 0V 6000 5000 4000 2.7V 3000 2000 1000 0 80 120 0 FIGURE 2-12: . Setting and Ambient Temperature. ...

Page 18

... FIGURE 2-15 – Power-Up Wiper Response Time (20 ms/Div). DS22060B-page FIGURE 2-16: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-17: = 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 19

... W voltage and wiper setting value. Ω FIGURE 2-20 Pot Mode – R INL (LSb), DNL (LSb) vs. Wiper Setting and Ambient Temperature (V = 1.8V). DD © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X = 5V 0V 0.3 120 125C Rw 125C INL 0.2 125C DNL 100 ...

Page 20

... Ambient Temperature and V DS22060B-page 12000 10000 8000 6000 4000 2000 0 80 120 0 FIGURE 2-25: . 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 21

... A Ω FIGURE 2-26 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-27 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X = 5V 0V FIGURE 2-28: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-29: = 2.7V) Increment Wiper Settling Time ( µ ...

Page 22

... DNL 25C DNL 85C DNL 125C DNL 63.5 RW 58.5 53.5 INL 48.5 43.5 38.5 33.5 28.5 23.5 18.5 13.5 DNL 8.5 3.5 -1.5 Wiper Setting (decimal) ) with respect to device W Ω Ω Rheo Mode – 1.8V). DD © 2008 Microchip Technology Inc ...

Page 23

... Ambient Temperature (°C) Ω FIGURE 2-36 – Nominal Resistance Ω vs. Ambient Temperature and V © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X = 5V 0V 60000 50000 40000 30000 20000 10000 0 80 120 0 FIGURE 2-37: . Setting and Ambient Temperature. ...

Page 24

... FIGURE 2-39 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). DS22060B-page FIGURE 2-40: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-41: = 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 25

... W voltage and wiper setting value. Ω FIGURE 2-44: 100 k Pot Mode – R INL (LSb), DNL (LSb) vs. Wiper Setting and Ambient Temperature (V = 1.8V). DD © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X = 5V 0V 0.2 120 125C Rw 125C INL 125C DNL 100 ...

Page 26

... Ambient Temperature and DS22060B-page 120000 100000 80000 60000 40000 20000 0 80 120 0 FIGURE 2-49: 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 27

... FIGURE 2-50: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-51: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X = 5V 0V FIGURE 2-52: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-53: = 2.7V) Response Time (1 µ ...

Page 28

... FIGURE 2-57: 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 29

... SCK, CS, and IH SHDN) vs. V and Temperature. DD 1.4 1.3 5.5V 1.2 1.1 1 0.9 0.8 2.7V 0.7 0.6 - Temperature (°C) FIGURE 2-59: V (SDI, SCK, CS, and IL SHDN) vs. V and Temperature. DD © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X = 5V 0V -10 -15 -20 -25 -30 -35 -40 -45 80 120 -40 FIGURE 2-60: Temperature ...

Page 30

... Temperature. 15.0 14.5 14.0 2.7V 13.5 13.0 12.5 12.0 - Temperature (°C) FIGURE 2-63: SCK Input Frequency vs. Voltage and Temperature. DS22060B-page 30 2.1 Test Circuits 5. 2.7V Offset GND 80 120 FIGURE 2-64: DD Test. 5.5V 80 120 + OUT Gain vs. Frequency © 2008 Microchip Technology Inc. ...

Page 31

... 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. MCP413X/415X/423X/425X Table 3-1. Weak Pull-up/ Buffer ...

Page 32

... This pad could be SS and SS used to assist as a heat sink for the device when connected to a PCB heat sink. is connected to the internal wiper value of the digital and < V (2.7V), the electrical DD min reduce possible DD SS © 2008 Microchip Technology Inc. ...

Page 33

... BOR • Volatile wiper register is loaded with the default wiper value • The TCON register is loaded it’s default value • The device is capable of digital operation © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 4.1.2 BROWN-OUT RESET When the device powers down, the device V ...

Page 34

... The STATUS register is placed at Address 05h. Register 4-1 R-1 R-0 R-x RESV RESV U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared x = Bit is unknown Figure R-x R-x R-x RESV SHDN RESV bit 0 5-2). While the device is in Hard- © 2008 Microchip Technology Inc. ...

Page 35

... On a POR/BOR this register is loaded with 1FFh (9-bits), for all terminals connected. The Host Controller needs to detect the POR/BOR event and then update the Volatile TCON register value. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X Register 4-2 DS22060B-page 35 ...

Page 36

... TCON bits. 2: These bits do not affect the wiper register values. DS22060B-page 36 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 37

... INL) for the smaller resistance devices compared to larger resistance devices (100.0 kΩ). FIGURE 5-1: Resistor Block Diagram. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 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 38

... Table 5-2 shows the DEFAULT FACTORY SETTINGS SELECTION Wiper Code 8-bit 7-bit Mid-scale 80h 40h Mid-scale 80h 40h Mid-scale 80h 40h Mid-scale 80h 40h © 2008 Microchip Technology Inc. ...

Page 39

... The TCON register bits return to controlling the terminal connection state A B FIGURE 5-2: Hardware Shutdown Resistor Network Configuration. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 5.3.2 TERMINAL CONTROL REGISTER (TCON) The Terminal Control (TCON) register is a volatile register used to configure the connection of each ...

Page 40

... MCP413X/415X/423X/425X NOTES: DS22060B-page 40 © 2008 Microchip Technology Inc. ...

Page 41

... V 1 FIGURE 6-1: Typical SPI Interface Block Diagram. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X Typical SPI Interfaces are shown in SPI interface, The Master’s Output pin is connected to the Slave’s Input pin and the Master’s Input pin is connected to the Slave’ ...

Page 42

... For any other command, the SDI/SDO pin returns to an input. SDI/SDO Open Drain FIGURE 6-2: Serial I/O Mux Block Diagram. © 2008 Microchip Technology Inc. “smart” pull-up SDI Control SDO Logic ...

Page 43

... SDI/SDO 250 kHz Note 1: MCP41X1 devices only. 2: This is the maximum clock frequency without an external pull-up resistor. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 6.1.5 THE CS SIGNAL The Chip Select (CS) signal is used to select the device and frame a command sequence. To start a command, or sequence of commands, the CS signal must ...

Page 44

... SPI Figure 6-3 and Figure 6-4 are Figure 6-5 and Figure 6-6 Figure 6-7 are increment and decrement bit4 bit3 bit2 bit1 bit0 bit4 bit3 bit2 bit1 bit0 bit3 bit2 bit1 bit0 bit3 bit2 bit1 bit0 © 2008 Microchip Technology Inc. ...

Page 45

... Note 1: The SDI pin will read the state of the SDI pin which will be the SDO signal, unless overdriven supported for compability with the MCP414X/6X and MCP424X/6X devices high voltage IHH operation. FIGURE 6-6: 16-Bit Read Command for Devices with SDI/SDO multiplexed - SPI Waveform (Mode 0,0). © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X CMDERR bit ...

Page 46

... AD2 AD1 AD0 C1 CMDERR bit “1” = “Valid” Command/Address “0” = “Invalid” Command/Address bit2 bit1 bit0 X X bit0 CMDERR bit “1” = “Valid” Command/Address “0” = “Invalid” Command/Address bit2 bit1 bit0 bit0 © 2008 Microchip Technology Inc. ...

Page 47

... Bits Address Command Bits FIGURE 7-1: General SPI Command Formats. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 7.1 Command Byte The Command Byte has three fields, the Address, the Command, and 2 Data bits, see only one of the data bits is defined (D8). This is for the Write command ...

Page 48

... Microchip Technology Inc. (2) MISO (SDO pin) 1111 1111 1111 1111 1111 111n nnnn nnnn 1111 1111 1111 1111 1111 1111 1111 1111 ...

Page 49

... All following SDO bits will be low until the CMDERR condition is cleared by forcing the CS pin to the inactive state ( © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 7.3.1 ABORTING A TRANSMISSION All SPI transmissions must have the correct number of SCK pulses to be executed. The command is not executed until the complete number of clocks have been received ...

Page 50

... This reduces the probability of noise on the SCK pin corrupting the desired SPI command string. High Voltage # of Bits (V IHH 16-Bits 16-Bits 8-Bits 8-Bits 16-Bits 16-Bits 8-Bits 8-Bits © 2008 Microchip Technology Inc pin? — — — — Yes Yes Yes Yes ...

Page 51

... Note Error Condition occurs (CMDERR = L), all following SDO bits will be low until the CMDERR condition is cleared (the CS pin is forced to the inactive state). FIGURE 7-2: Write Command - SDI and SDO States. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 7.5.1 SINGLE WRITE The write operation requires that the CS pin be in the ...

Page 52

... The writes do not need the same volatile memory address. COMMAND BYTE SDI SDO Note Command Error (CMDERR) occurs at this bit location (*), then all following SDO bits will be driven low until the CS pin is driven inactive (V FIGURE 7-3: Continuous Write Sequence. DS22060B-page 52 DATA BYTE © 2008 Microchip Technology Inc. ...

Page 53

... D SDO FIGURE 7-4: Read Command - SDI and SDO States. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 7.6.1 SINGLE READ The read operation requires that the CS pin be in the active state (V IL the inactive state ( The 16-bit Read Command (Command IL IHH Byte and Data Byte) is then clocked in on the SCK and SDI pins ...

Page 54

... Note Command Error (CMDERR) occurs at this bit location (*), then all following SDO bits will be driven low until the CS pin is driven inactive (V FIGURE 7-5: Continuous Read Sequence. DS22060B-page 54 Figure 7-5 shows the sequence for three continuous reads. The reads do not need the same memory address. DATA BYTE © 2008 Microchip Technology Inc. ...

Page 55

... SDO bits will be driven low until the CS pin is driven inactive ( FIGURE 7-6: Increment Command - SDI and SDO States. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 7.7.1 SINGLE INCREMENT Typically, the CS pin starts at the inactive state (V but may be already be in the active state due to the Wiper completion of another command ...

Page 56

... Driving the CS pin to V should occur as soon as possible (within device specifications) after the last desired increment occurs. COMMAND BYTE (INCR COMMAND (n+2) ) (INCR COMMAND (n+ ensure that IH IH COMMAND BYTE Note Note Note Note 3, 4 © 2008 Microchip Technology Inc. ...

Page 57

... SDO bits will be driven low until the CS pin is driven inactive (V IH FIGURE 7-8: Decrement Command - SDI and SDO States. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 7.8.1 SINGLE DECREMENT Typically the CS pin starts at the inactive state (V may be already be in the active state due to the completion of another command ...

Page 58

... Driving the CS pin to V should occur as soon as possible (within device specifications) after the last desired decrement occurs. COMMAND BYTE (DECR COMMAND (n-1) ) (DECR COMMAND (n- ensure that IH IH COMMAND BYTE Note Note Note Note 3, 4 © 2008 Microchip Technology Inc. ...

Page 59

... So this PIC MCU operating at 3.3V will drive 2.64V, and for the MCP4XXX operating OH at 5.5V, the V is 2.47V. Therefore, the interface IH signals meet specifications. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 5V Voltage Regulator PIC MCU SHDN SDO FIGURE 8-1: System 1. ...

Page 60

... Common A and Common B connections could be connected to V Input Digital User’s Guide Input Balance FIGURE 8-5: using Terminal Disconnects MCP4XXX MCP4XXX Non-Volatile terminals could be used. rheostat value to the Common B. and Common base W of Transistor (or Amplifier) B Common B Bias Example Application Circuit © 2008 Microchip Technology Inc. ...

Page 61

... FIGURE 8-6: Typical Microcontroller Connections. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X 8.4.2 LAYOUT CONSIDERATIONS Inductively-coupled AC transients and digital switching noise can degrade the input and output signal integrity, potentially masking the MCP4XXX’s performance. Careful board layout minimizes these effects and increases the Signal-to-Noise Ratio (SNR) ...

Page 62

... MCP413X/415X/423X/425X NOTES: DS22060B-page 62 © 2008 Microchip Technology Inc. ...

Page 63

... 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. MCP413X/415X/423X/425X 9.2 Technical Documentation Several additional technical documents are available to assist you in your design and development. These technical documents Technical Briefs, and Design Guides ...

Page 64

... MCP413X/415X/423X/425X NOTES: DS22060B-page 64 © 2008 Microchip Technology Inc. ...

Page 65

... DABB DAAG MCP4132-503E/MF DABA DAAP MCP4152-502E/MF DAAA DAAQ MCP4152-103E/MF DABD DAAS MCP4152-104E/MF DAAD DAAR MCP4152-503E/MF DAAC Code Part Number Code 413152 MCP4132-502E/MS 413252 413113 MCP4132-103E/MS 413213 413114 MCP4132-104E/MS 413214 413153 MCP4132-503E/MS 413253 415152 MCP4152-502E/MS 415252 415113 MCP4152-103E/MS 415213 415114 MCP4152-104E/MS 415214 ...

Page 66

... MCP4252-502E/MS 425252 423213 MCP4252-103E/MS 425213 423214 MCP4252-104E/MS 425214 423253 MCP4252-503E/MS 425253 Example MCP4251 502E/P^^ 0817256 Example MCP4251 502E/SL^^ Example 4251502E Example 4251 502 E/ML^^ 0817256 © 2008 Microchip Technology Inc. : Example BAEH 0817 256 Example 423252 817256 0817256 0817 256 e 3 ...

Page 67

... Microchip Technology Inc. MCP413X/415X/423X/425X DS22060B-page 67 ...

Page 68

... MCP413X/415X/423X/425X DS22060B-page 68 © 2008 Microchip Technology Inc. ...

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... MCP413X/415X/423X/425X DS22060B-page 70 I © 2008 Microchip Technology Inc. φ ...

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... MCP413X/415X/423X/425X NOTES: DS22060B-page 82 © 2008 Microchip Technology Inc. ...

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... Descriptions”. 4. Added new Development Tool support items. 5. Updated Package Outline section. Revision A (September 2007) • Original Release of this Document. © 2008 Microchip Technology Inc. MCP413X/415X/423X/425X APPENDIX B: MIGRATING FROM THE MCP41XXX AND MCP42XXX DEVICES This is intended to give an overview of some of the differences to be aware of when migrating from the MCP41XXX and MCP42XXX devices ...

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... MCP413X/415X/423X/425X NOTES: DS22060B-page 84 © 2008 Microchip Technology Inc. ...

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... MCP4131T-103E/XX: T/R, 10 kΩ, 8LD Device e) MCP4131-503E/XX: f) MCP4131T-503E/XX: T/R, 50 kΩ, 8LD Device g) MCP4131-104E/XX: h) MCP4131T-104E/XX: T/R, 100 kΩ, 8LD Device a) MCP4132-502E/XX: b) MCP4132T-502E/XX: T/R, 5 kΩ, 8LD Device c) MCP4132-103E/XX: d) MCP4132T-103E/XX: T/R, 10 kΩ, 8LD Device e) MCP4132-503E/XX: f) MCP4132T-503E/XX: T/R, 50 kΩ, 8LD Device g) MCP4132-104E/XX: h) MCP4132T-104E/XX: T/R, 100 kΩ ...

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... MCP413X/415X/423X/425X NOTES: DS22060B-page 86 © 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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