CAT5221WI-10 ONSEMI [ON Semiconductor], CAT5221WI-10 Datasheet

no-image

CAT5221WI-10

Manufacturer Part Number
CAT5221WI-10
Description
Dual Digitally Programmable Potentiometer with 64 Taps and I2C Interface
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
1.CAT5221WI-10.pdf (16 pages)
Dual Digitally Programmable Potentiometer (DPP™) with
64 Taps and I
FEATURES
PIN CONFIGURATION
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
For Ordering Information details, see page 15.
Two linear-taper digitally programmable
potentiometers
64 resistor taps per potentiometer
End to end resistance 2.5kΩ, 10kΩ, 50kΩ or
100kΩ
Potentiometer control and memory access via
I
Low wiper resistance, typically 80Ω
Nonvolatile memory storage for up to four
wiper settings for each potentiometer
Automatic recall of saved wiper settings at
power up
2.5 to 6.0 volt operation
Standby current less than 1µA
1,000,000 nonvolatile WRITE cycles
100 year nonvolatile memory data retention
20-lead SOIC and TSSOP packages
Industrial temperature range
2
C interface
TSSOP 20 Lead (Y)
GND 10
SDA
SOIC 20 Lead (W)
RH1
R
R
R
R
R
A0
A2
W0
W1
H0
L0
L1
2
C Interface
1
2
3
4
5
6
7
8
9
5221
CAT
20 V
19 NC
18 NC
17 NC
16 A1
15 A3
14 SCL
13 NC
12 NC
11 NC
CC
1
SDA
SCL
A0
A1
A2
A3
DESCRIPTION
The
Potentiometers (DPPs™) integrated with control logic
and 16 bytes of NVRAM memory. Each DPP consists
of a series of 63 resistive elements connected
between two externally accessible end points. The tap
points between each resistive element are connected
to the wiper outputs with CMOS switches. A separate
6-bit control register (WCR) independently controls
the wiper tap switches for each DPP. Associated with
each wiper control register are four 6-bit non-volatile
memory data registers (DR) used for storing up to four
wiper settings. Writing to the wiper control register or
any of the non-volatile data registers is via a I
bus. On power-up, the contents of the first data
register (DR0) for each of the four potentiometers is
automatically loaded into its respective wiper control
register (WCR).
The CAT5221 can be used as a potentiometer or as a
two terminal, variable resistor. It is intended for circuit
level or system level adjustments in a wide variety of
applications.
FUNCTIONAL DIAGRAM
CAT5221
INTERFACE
CONTROL
LOGIC
I
2
C
is
two
NONVOLATILE
REGISTERS
REGISTERS
CONTROL
WIPER
DATA
Digitally
CAT5221
Doc. No. MD-2113 Rev. L
Programmable
R
R
H0
L0
R
R
2
C serial
H1
L1
R
R
W0
W1

Related parts for CAT5221WI-10

Image
Part Number
Description
Manufacturer
Datasheet
Request R
SL24T1
Part Number:
SL24T1
Description:
300 Watt, SOT-23 Low Capacitance TVS for High Speed Line Protections
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
SL24T1.pdf (8 pages)
NRVBB1060T4G
Part Number:
NRVBB1060T4G
Description:
SWITCHMODE Power Rectifier
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NRVBB1060T4G.pdf (5 pages)
MTD10N10ELT4G
Part Number:
MTD10N10ELT4G
Description:
TMOS E−FET Power Field Effect Transistor DPAK for Surface Mount
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
MTD10N10ELT4G.pdf (7 pages)
NTR4101PT1
Part Number:
NTR4101PT1
Description:
Trench Power MOSFET -20 V, Single P-Channel, SOT-23
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTR4101PT1.pdf (6 pages)
NTD3055-094T4
Part Number:
NTD3055-094T4
Description:
Power MOSFET 12 A, 60 V
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTD3055-094T4.pdf (10 pages)
NTD3055L104T4
Part Number:
NTD3055L104T4
Description:
Power MOSFET
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTD3055L104T4.pdf (8 pages)
NTF2955T1
Part Number:
NTF2955T1
Description:
Power MOSFET
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTF2955T1.pdf (6 pages)
NTF3055-100T3
Part Number:
NTF3055-100T3
Description:
Power MOSFET 3.0 Amps 60 Volts N−Channel
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTF3055-100T3.pdf (6 pages)
NTF3055L175T3LFG
Part Number:
NTF3055L175T3LFG
Description:
Power MOSFET 2.0 A, 60 V, Logic Level
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTF3055L175T3LFG.pdf (6 pages)
MTB2P50ET4
Part Number:
MTB2P50ET4
Description:
Power MOSFET 2 Amps, 500 Volts P−Channel D2PAK
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
MTB2P50ET4.pdf (8 pages)
NTB23N03RT4
Part Number:
NTB23N03RT4
Description:
Power MOSFET 23 Amps, 25 Volts N−Channel D2PAK
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTB23N03RT4.pdf (6 pages)
NTB25P06T4
Part Number:
NTB25P06T4
Description:
Power MOSFET -60 V, -27.5 A, P-Channel D2PAK
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTB25P06T4.pdf (6 pages)
NTB30N20T4
Part Number:
NTB30N20T4
Description:
Power MOSFET 30 Amps, 200 Volts N−Channel Enhancement−Mode D2PAK
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTB30N20T4.pdf (8 pages)
NTB52N10T4
Part Number:
NTB52N10T4
Description:
N-Channel Enhancement−Mode D2PAK
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTB52N10T4.pdf (8 pages)
NTB60N06T4
Part Number:
NTB60N06T4
Description:
60 V, 60 A, N-Channel TO-220 and D2PAK
Manufacturer:
ONSEMI [ON Semiconductor]
Datasheet:
NTB60N06T4.pdf (10 pages)

CAT5221WI-10 Summary of contents

Page 1

Dual Digitally Programmable Potentiometer (DPP™) with 2 64 Taps and I C Interface FEATURES Two linear-taper digitally programmable potentiometers 64 resistor taps per potentiometer End to end resistance 2.5kΩ, 10kΩ, 50kΩ or 100kΩ Potentiometer control and memory access via 2 ...

Page 2

CAT5221 PIN DESCRIPTION Pin (SOIC) Name Function 1 R Wiper Terminal for Potentiometer Low Reference Terminal for Potentiometer High Reference Terminal for Potentiometer Device Address, LSB 5 A2 ...

Page 3

ABSOLUTE MAXIMUM RATINGS Parameter Temperature Under Bias Storage Temperature Voltage on any Pin with Respect with Respect to Ground CC Package Power Dissipation Capability (T Lead Soldering Temperature (10s) Wiper Current RECOMMENDED OPERATING CONDITIONS V = +2.5V ...

Page 4

CAT5221 D.C. OPERATING CHARACTERISTICS Over recommended operating conditions unless otherwise stated. Symbol Parameter I Power Supply Current CC I Standby Current (V = 5.0V Input Leakage Current LI I Output Leakage Current LO V Input Low Voltage ...

Page 5

WRITE CYCLE LIMITS Over recommended operating conditions unless otherwise stated. Symbol Parameter t Write Cycle Time WR The write cycle is the time from a valid stop condition of a write sequence to the end of the internal program/erase cycle. ...

Page 6

CAT5221 SERIAL BUS PROTOCOL The following defines the features of the I protocol: (1) Data transfer may be initiated only when the bus is not busy. (2) During a data transfer, the data line must remain stable whenever the clock ...

Page 7

WRITE OPERATION In the Write mode, the Master device sends the START condition and the slave address information to the Slave device. After the Slave generates an acknowledge, the Master sends the instruction byte that defines the requested operation of ...

Page 8

CAT5221 INSTRUCTIONS AND REGISTER DESCRIPTION INSTRUCTIONS SLAVE ADDRESS BYTE The first byte sent to the CAT5221 from the master/ processor is called the Slave/DPP Address Byte. The most significant four bits of the slave address are a device type identifier. ...

Page 9

WIPER CONTROL AND DATA REGISTERS Wiper Control Register (WCR) The CAT5221 contains two 6-bit Wiper Control Registers, one for each potentiometer. The Wiper Control Register output is decoded to select one of 64 switches along its resistor array. The contents ...

Page 10

CAT5221 exchange data between the WCR and one of the Data Registers. The WCR controls the position of the wiper. The response of the wiper to this action will be delayed transfer from the WCR (current ...

Page 11

Figure 10. Increment/Decrement INC/DEC Command Issued SCL SDA R W INSTRUCTION FORMAT Read Wiper Control Register (WCR) DEVICE ADDRESSES Write Wiper Control Register (WCR) DEVICE ADDRESSES S ...

Page 12

CAT5221 Global Transfer Data Register (DR) to Wiper Control Register (WCR) DEVICE ADDRESSES Global Transfer Wiper Control Register (WCR) to Data Register (DR) S DEVICE ADDRESSES T ...

Page 13

PACKAGING OUTLINE DRAWINGS (1)(2) SOIC 20-Lead 300 mil Wide (W) b PIN#1 IDENTIFICATION TOP VIEW D A SIDE VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies ...

Page 14

CAT5221 (1)(2) TSSOP 20-Lead ( TOP VIEW D A2 SIDE VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. Angles in degree. (2) Complies with JEDEC specification ...

Page 15

... CAT5221YI-00 Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is Matte-Tin. (3) This device used in the above example is a CAT5221WI-10-T1 (SOIC, Industrial Temperature, 10kΩ, Tape & Reel, 1,000/Reel) © 2008 SCILLC. All rights reserved. Characteristics subject to change without notice (1) ...

Page 16

CAT5221 REVISION HISTORY Date Rev. Reason 30-Sep-03 E Deleted WP from Functional Diagram, pg. 1 01-Oct-03 F Changed designation to Advance 10-Mar-04 G Added TSSOP package in all areas 25-Mar-04 H Updated TSSOP package drawing Eliminated data sheet designation 08-Apr-04 ...

Related keywords