MCP4021/2/3/4
Low-Cost NV Digital POT with WiperLockв„ў Technology
Package Types Non-volatile 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 kО©, 5 kО©, 10 kО© or 50 kО© Low Tempco:
-Absolute (Rheostat): 50 ppm (0В°C to 70В°C typ.)
-Ratiometric (Potentiometer): 10 ppm (typ.) Low Wiper Resistance: 75О© (typ.) WiperLockв„ў Technology to Secure the wiper
setting in non-volatile memory (EEPROM) High-Voltage Tolerant Digital Inputs: Up to 12.5V Low-Power Operation: 1 ВµA Max Static Current Wide Operating Voltage: 2.7V to 5.5V Extended Temperature Range: -40В°C to +125В°C Wide Bandwidth (-3 dB) Operation:
-4 MHz (typ.) for 2.1 kО© device MCP4021 MCP4022 SOIC, MSOP, DFN
Potentiometer SOT-23-6
Rheostat VDD 1
VSS 2
A 3 A B
W W 4 8 U/D VDD 1 7 NC VSS 2 6 B U/D 3 A 6 A W 5 W
4 CS B 5 CS MCP4023 MCP4024 SOT-23-6
Potentiometer SOT-23-5
Rheostat VDD 1
VSS 2
U/D 3 A
W B 6 A VDD 1 5 W VSS 2 4 CS U/D 3 5 W W
B A 4 CS Block Diagram
A
VDD Description …