Datasheet Summary
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Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory
Features
Single-channel, 1024-position resolution 10 kΩ nominal resistance 50-times programmable (50-TP) wiper memory Rheostat mode temperature coefficient: 35 ppm/°C 2.7 V to 5.5 V single-supply operation ±2.5 V to ±2.75 V dual-supply operation for ac or bipolar operations SPI-patible interface Wiper setting and memory readback Power on refreshed from memory Resistor tolerance stored in memory Thin LFCSP 10-lead, 3 mm × 3 mm× 0.8 mm package pact MSOP, 10-lead, 3 mm × 4.9 mm × 1.1 mm package
FUNCTIONAL BLOCK DIAGRAM
POWER-ON RESET
SCLK SYNC DIN SDO SPI...