AD5172BRMZ100 Digital Potentiometers (DigiPOT) by Analog Devices

Status: Production
Series: AD5172
RoHS: Compliant
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The AD5172 / AD5173 are dual-channel, 256-position, one-time programmable (OTP) digital potentiometers that employ fuse link technology to achieve memory retention of resistance settings. The digital potentiometer, VR, and RDAC terms are used interchangeably. OTP is a cost-effective alternative to EEMEM for users who do not need to program the digital potentiometer setting in memory more than once. These devices perform the same electronic adjustment function as mechanical potentiometers or variable resistors but with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance.TheAD5172 / AD5173 are programmed using a 2-wire, I2C-compatible digital interface. Unlimited adjustments are allowed before permanently setting the resistance value. During OTP activation, a permanent blow fuse command freezes the wiper position (analogous to placing epoxy on a mechanical trimmer).Unlike traditional OTP digital potentiometers, the AD5172 / AD5173 have a unique temporary OTP overwrite feature that allows for new adjustments even after a fuse is blown. However, the OTP setting is restored during subsequent power-up conditions. This allows users to treat these digital potentiometers as volatile potentiometers with a programmable preset.

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Features

2-channel, 256-position potentiometers
Unlimited adjustments before OTP activation
OTP overwrite allows dynamic adjustments with user defined preset
End-to-end resistance: 2.5 kΩ, 10 kΩ, and 100 kΩ
Compact 10-lead MSOP: 3 mm × 4.9 mm
Fast settling time: tS = 5 μs typical on power-up
Full read/write of wiper register
Power-on preset to midscale
Extra package address decode pins: AD0 and AD1 (AD5173)
Single supply: 2.7 V to 5.5 V
Low temperature coefficient: 35 ppm/°C
Low power: IDD = 6 μA maximum
Wide operating temperature: −40°C to +125°C

Alternative Descriptions

Dual OPT 8 Bit I2C DigiPOT | Analog Devices


Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD5172BRMZ100?

Additional datasheets, footprints and schematics for AD5172BRMZ100 are listed on our Part Details page. You can also find images and similar parts to AD5172BRMZ100 on this page.

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What category does AD5172BRMZ100 fall under?

The AD5172BRMZ100 is listed under Digital Potentiometers (DigiPOT).

Can I view similar or alternative parts?

You can view similar parts to AD5172BRMZ100 when available in the Digital Potentiometers (DigiPOT) range under the specifications section at the bottom of the details page.

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Is the AD5172BRMZ100 RoHS compliant?

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

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