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AD5235 Datasheet PDF

Part Series:
AD5235 Series
Category:
-
Description:
Nonvolatile Memory, Dual 1024Position Digital Potentiometer Data Sheet (Rev F, 06/2012
Updated Time: 2023/01/13 02:42:34 (UTC + 8)

AD5235 Datasheet PDF -

33 Pages
ADI
Digital Potentiometer 25KΩ 1024POS Non-Volatile Linear/Log 16Pin TSSOP T/R
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ADI
Digital Potentiometer 250KΩ 1024POS Non-Volatile Linear/Log 16Pin TSSOP
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Digital Potentiometer 25KΩ 1024POS Non-Volatile Linear/Log 16Pin TSSOP T/R
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ADI
Digital Potentiometer 25KΩ 1024POS Non-Volatile Linear/Log 16Pin TSSOP
32 Pages
ADI
Digital Potentiometer 250KΩ 1024POS Non-Volatile Linear/Log 16Pin TSSOP T/R
32 Pages
ADI
Nonvolatile Memory, Dual 1024Position Digital Potentiometer Data Sheet (Rev F, 06/2012

AD5235 - ADI Function Overview

GENERAL DESCRIPTION
The AD5235 is a dual-channel, nonvolatile memory, digitally controlled potentiometer2 with 1024-step resolution, offering guaranteed maximum low resistor tolerance error of ±8%. The device performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. The versatile programming of the AD5235 via an SPI®-compatible serial interface allows 16 modes of operation and adjustment including scratchpad programming, memory storing and restoring, increment/decrement, ±6 dB/step log taper adjustment, wiper setting readback, and extra EEMEM for user defined information such as memory data for other components,
look-up table, or system identification information.
FEATURES
Dual-channel, 1024-position resolution
25 kΩ, 250 kΩ nominal resistance
Maximum ±8% nominal resistor tolerance error
Low temperature coefficient: 35 ppm/°C
2.7 V to 5 V single supply or ±2.5 V dual supply
SPI-compatible serial interface
Nonvolatile memory stores wiper settings
Power-on refreshed with EEMEM settings
Permanent memory write protection
Resistance tolerance stored in EEMEM
26 bytes extra nonvolatile memory for user-defined
information
1M programming cycles
100-year typical data retention
APPLICATIONS
DWDM laser diode driver, optical supervisory systems
Mechanical potentiometer replacement
Instrumentation: gain, offset adjustment
Programmable voltage-to-current conversion
Programmable filters, delays, time constants
Programmable power supply
Low resolution DAC replacement
Sensor calibration
show more
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