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Nonvolatile Memory, Dual 256-Position Digital Potentiometer
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Nonvolatile Memory,
Dual 256-Position Digital Potentiometer
AD5232 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM Dual-channel, 256-position resolution
10 kΩ, 50 kΩ, and 100 kΩ nominal terminal resistance
Nonvolatile memory maintenance of wiper settings
Predefined linear increment/decrement instructions
Predefined ±6 dB step log taper increment/decrement
instructions
SPI-compatible serial interface
Wiper settings and EEMEM readback
3 V to 5 V single-supply operation
±2.5 V dual-supply operation
14 bytes of general-purpose user EEMEM
Permanent memory write protection
100-year typical data retention (TA = 55°C) VDD CS AD5232 ADDR
DECODE RDAC1
REGISTER CLK
SDI A1
SERIAL
INTERFACE W1 SDO PR B1 EEMEM1 RDAC1 RDAC2
REGISTER POWER-ON
RESET A2
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