AD5254BRUZ10 - Quad 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers - Analog Devices
AD5253: quad 64-position resolution
AD5254: quad 256-position resolution
1 k?, 10 k?, 50 k?, 100 k?
Nonvolatile memory1
stores wiper settings w/write protection
Power-on refreshed to EEMEM settings in 300 µs typ
EEMEM rewrite time = 540 µs typ
Resistance tolerance stored in nonvolatile memory
12 extra bytes in EEMEM for user-defined information
C-compatible serial interface
Direct read/write access of RDAC2
and EEMEM registers
Predefined linear increment/decrement commands
Predefined ±6 dB step change commands
Synchronous or asynchronous quad-channel update
Wiper setting readback
4 MHz bandwidth—1 k? version
Single supply 2.7 V to 5.5 V
Dual supply ±2.25 V to ±2.75 V
2 slave address-decoding bits allow operation of 4 devices
100-year typical data retention, TA = 55°C
Operating temperature: –40°C to +105°C
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