Part # AD5251_5252 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: AD5251/AD5252 Dual 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers Data Sheet (Rev. A)

Part Details:

Dual 64-/256-Position I2C® Nonvolatile Memory Digital Potentiometers AD5251/AD5252 FEATURES FUNCTIONAL BLOCK DIAGRAM AD5251: Dual 64-position resolution VDD RDAC EEMEM RDAC1 AD5252: Dual 256-position resolution RDAC1 A1 VSS EEMEM RAB REGIS- W1 1 k, 10 k, 50 k, 100 k POWER-ON TOL DGND TER REFRESH B1 Nonvolatile memory1 stores wiper setting w/write protection WP Power-on refreshed with EEMEM settings in 300 s typ DATA RDAC3 SCL RDAC3 A3 EEMEM rewrite time = 540 s typ SDA I2C REGIS- W3 SERIAL TER CONTROL Resistance tolerance stored in nonvolatile memory INTERFACE B3 AD0 COMMAND 12 extra bytes in EEMEM for user-defined information AD1 DECODE LOGIC I2C-compatible serial interface ADDRESS DECODE LOGIC AD5251/ Direct read/write access of RDAC2 and EEMEM registers

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AD5251_5252.pdf Datasheet