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See Technical Specifications

MCP4431-104E/ST +BOM

Volatile memory ensures settings are retained upon power-down and up

Digital Potentiometer 100k Ohm 4 Circuit 129 Taps I²C Interface 20-TSSOP

Quad Resistor Network
Potentiometer or Rheostat configuration options
Resistor Network Resolution:
7-bit – 128 Resistors (129 Taps)
Four RAB Resistances options:
5kΩ
10kΩ
50kΩ
100kΩ
Zero-scale to Full-scale Wiper Operation
Low Wiper Resistance – 75Ω typical
Low Tempco:
Absolute (Rheostat) – 50 ppm typical (0°-70°C)
Ratiometric (Potentiometer) – 15 ppm typical
I2C™Compatible Serial Interface Support:
100 kHz
400 kHz
3.4 MHz
Serial Protocol Allows High-Speed Read/Write to Wiper
Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
Reset Input Pin
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
Wide Operating Voltage:
2.7V to 5.5V - Device Characteristics Specified
1.8V to 5.5V - Device Operation
Wide Bandwidth (-3 dB) Operation – 2 MHz typical for 5.0Ω Device
Extended Temperature Range (-40°C to +125°C)
Package Types: TSSOP-14

Category	Integrated Circuits (ICs)Data AcquisitionDigital Potentiometers	Series	-
Programmable	Not Verified	Taper	Linear
Configuration	Potentiometer	Number of Circuits	4
Number of Taps	129	Resistance (Ohms)	100k
Interface	I²C	Memory Type	Volatile
Voltage - Supply	1.8V ~ 5.5V	Features	Selectable Address
Tolerance	±20%	Temperature Coefficient (Typ)	150ppm/°C
Mounting Type	Surface Mount	Operating Temperature	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ)	75	Base Product Number	MCP4431
Product Category	Digital Potentiometer ICs	Resistance	100 kOhms
Temperature Coefficient	150 PPM / C	Number of POTs	Quad
Taps per POT	129	Wiper Memory	Volatile
Digital Interface	I2C	Operating Supply Voltage	1.8 V to 5.5 V
Operating Supply Current	600 uA	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C	Mounting Style	PCB Mount
Termination Style	SMD/SMT	Qualification	AEC-Q100
Moisture Sensitive	Yes	Product Type	Digital Potentiometer ICs
Factory Pack Quantity	74	Subcategory	Digital Potentiometer ICs
Supply Voltage - Max	5.5 V	Supply Voltage - Min	1.8 V
Unit Weight	0.004949 oz