AD5252BRUZ10 Digital Potentiometers (DigiPOT) by Analog Devices

Status: Production
Series: AD5252
RoHS: Compliant
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The AD52521 is a dual-channel, I2C, nonvolatile memory,digitally controlled potentiometer with 256 positions. These devices perform the same electronic adjustmentfunctions as mechanical potentiometers, trimmers, andvariable resistors. The parts’ versatile programmability allowsmultiple modes of operation, including read/write access in theRDAC and EEMEM registers, increment/decrement of resistance,resistance changes in ±6 dB scales, wiper setting readback,and extra EEMEM for storing user-defined information, such asmemory data for other components, look-up table, or systemidentification information.The AD5251/AD5252 allow the host I2C controllers to writeany of the 64-/256-step wiper settings in the RDAC registersand store them in the EEMEM. Once the settings are stored,they are restored automatically to the RDAC registers at systempower-on; the settings can also be restored dynamically.The AD5251/AD5252 provide additional increment,decrement, +6 dB step change, and –6 dB step change insynchronous or asynchronous channel update mode. Theincrement and decrement functions allow stepwise linearadjustments, with a ± 6 dB step change equivalent to doublingor halving the RDAC wiper setting. These functions are usefulfor steep-slope, nonlinear adjustments, such as white LEDbrightness and audio volume control.The AD5251/AD5252 have a patented resistance-tolerancestoring function that allows the user to access the EEMEM andobtain the absolute end-to-end resistance values of the RDACsfor precision

Prices starting from US$3.16


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Logo for Analog Devices Analog Devices US$5.70
921
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Logo for Farnell Farnell US$3.16
892
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Logo for Newark Electronics Newark Electronics US$3.74
892
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Logo for element14 element14 US$3.42
892
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Features

Dual 256-position resolution
1 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
Nonvolatile memory stores wiper setting w/write protection
Power-on refreshed with 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
I2C-compatible serial interface
Direct read/write access of RDAC and EEMEM registers
Predefined linear increment/decrement commands
Predefined ±6 dB step change commands
Synchronous or asynchronous dual-channel update
Wiper setting readback
4 MHz bandwidth—1 kΩ 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

Alternative Descriptions

8-Bit I2C EEMEM DigiPOT | Analog Devices
DIGITAL POTENTIOMETER, DUAL, 256 STEP | Farnell
Digital Potentiometer, Dual, 256 Step | Newark Electronics


Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD5252BRUZ10?

Additional datasheets, footprints and schematics for AD5252BRUZ10 are listed on our Part Details page. You can also find images and similar parts to AD5252BRUZ10 on this page.

What pricing and inventory information can I view?

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What category does AD5252BRUZ10 fall under?

The AD5252BRUZ10 is listed under Digital Potentiometers (DigiPOT).

Can I view similar or alternative parts?

You can view similar parts to AD5252BRUZ10 when available in the Digital Potentiometers (DigiPOT) range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

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Is the AD5252BRUZ10 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for AD5252BRUZ10 have stock available?

Authorised distributors including Analog Devices, Farnell, Newark Electronics and element14 have stock available or on a lead time for AD5252BRUZ10.

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