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MCP42100 Datasheet PDF

Part Series:MCP42100 Series
Category:Digital Potentiometers
Description:MCP42100-I/SL, Digital Potentiometer 100K 256Position Linear 2Channel Serial-SPI 14Pin SOIC
Document:MCP42100-I/P Datasheet PDF (84 Pages)

MCP42100 Digital Potentiometers Datasheet PDF

MCP42100 Datasheet PDF Digital Potentiometers

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MCP42100-I/SL - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
14 Pin
Supply Voltage (DC)
2.70V (min)
Capacitance Tolerance
±30 %
Case/Package
SOIC-14
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MCP42100-I/SL - Microchip Function Overview

The MCP42100-I/SL is a Digital Potentiometer with SPI™ interface. The wiper position of the potentiometer varies linearly and is controlled via an industry-standard SPI interface. It consumes <1µA during static operation. A software shutdown feature is provided that disconnects the A terminal from the resistor stack and simultaneously connects the wiper to the B terminal. In addition, the dual MCP42XXX has a SHDN pin that performs the same function in hardware. During shutdown mode, the contents of the wiper register can be changed and the potentiometer returns from shutdown to the new value. The wiper is reset to the mid-scale position (80h) upon power-up. The RS (reset) pin implements a hardware reset and also returns the wiper to mid-scale. Its SPI interface includes both the SI and SO pins, allowing daisy-chaining of multiple devices. Channel-to-channel resistance matching on the potentiometer varies by less than 1%.
Low power CMOS technology
Shutdown feature open circuits of all resistors for maximum power savings
±1 LSB Maximum INL and DNL
1µA Maximum supply current in static operation
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