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MCP4023

Microchip Technology
Part Number MCP4023
Manufacturer Microchip Technology
Description Low-Cost NV Digital POT
Published Oct 9, 2007
Detailed Description MCP4021/2/3/4 Low-Cost NV Digital POT with WiperLock™ Technology Features • Nonvolatile Digital Potentiometer in SOT-23...
Datasheet PDF File MCP4023 PDF File

MCP4023
MCP4023


Overview
MCP4021/2/3/4 Low-Cost NV Digital POT with WiperLock™ Technology Features • Nonvolatile Digital Potentiometer in SOT-23, SOIC, MSOP, and DFN Packages • 64 Taps: 63 Resistors with Taps to Terminal A and Terminal B • Simple Up/Down (U/D) Protocol • Power-on Recall of Saved Wiper Setting • Resistance Values: 2.
1 k, 5 k, 10 k or 50 k • Low Tempco: - Absolute (Rheostat): 50 ppm (0°C to 70°C Typ.
) - Ratiometric (Potentiometer): 10 ppm (Typ.
) • Low Wiper Resistance: 75 (Typ.
) • WiperLock™ Technology to Secure the Wiper Setting in Nonvolatile Memory (EEPROM) • High-Voltage Tolerant Digital Inputs: up to 12.
5V • Low-Power Operation: 1 µA Max Static Current • Wide Operating Voltage: 2.
7V to 5.
5V • Extended Temperature Range: –40°C to +125°C • Wide Bandwidth (-3 dB) Operation: - 4 MHz (Typ.
) for 2.
1 k Device Description The MCP4021/2/3/4 devices are nonvolatile, 6-bit digital potentiometers that can be configured as either a potentiometer or rheostat.
The wiper setting is controlled through a simple Up/Down (U/D) serial interface.
These device’s implement Microchip’s WiperLock™ technology, which allows application-specific calibration settings to be secured in the EEPROM without requiring the use of an additional write-protect pin.
Package Types MCP4021 SOIC, MSOP, DFN Potentiometer VDD 1 VSS 2 A3 A W4 8 U/D 7 NC B 6B W 5 CS MCP4023 SOT-23-6 Potentiometer VDD 1 A VSS 2 B U/D 3 6A W 5W 4 CS MCP4022 SOT-23-6 Rheostat VDD 1 VSS 2 U/D 3 AW B 6A 5W 4 CS MCP4024 SOT-23-5 Rheostat VDD 1 W VSS 2 B U/D 3 5W A 4 CS Block Diagram A VDD Power-Up and Brown-Out VSS Control Wiper Register (Resistor Array) 2-Wire CS Interface W and U/D Control Logic EEPROM and WiperLock Technology B Device Features Device Wiper Memory Configuration Type Resistance (typical) Options (k) Wiper () # of Steps VDD Operating Range Control Interface WiperLock Technology MCP4021 Potentiometer (1) EE 2.
1, 5.
0, 10.
0, 50.
0 75 64 2.
7V - 5.
5V U/D Yes MCP4022 ...


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