256-Taps Dual-Channel Digital Potentiometer With SPI Interface and Nonvolatile Memory


Product details


Number of steps 256 Number of channels (#) 2 Resistance taper Linear Memory Non-Volatile Interface SPI Bandwidth (MHz) 2 Temp coeff (typ) (ppm/°C) 132 Operating temperature range (C) -40 to 105 open-in-new Find other Digital potentiometers (digipots)

Package | Pins | Size

WQFN (RTE) 16 9 mm² 3 x 3 open-in-new Find other Digital potentiometers (digipots)


  • Two Potentiometers With 256-Position Resolution
  • Non-Volatile Memory Stores Wiper Settings
  • 10-kΩ End-to-End Resistance (TPL0202-10)
  • Fast Power-Up Response Time: <100 µs
  • ±1 LSB INL, ±0.5 LSB DNL (Voltage-Divider Mode)
  • 12 ppm/°C Ratiometric Temperature Coefficient
  • SPI Serial Interface
  • 2.7 to 5.5 V Single-Supply Operation
  • Operating Temperature Range From –40°C to +105°C
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The TPL0202 has two linear-taper digital potentiometers (DPOTs) with 256 wiper positions. Each potentiometer can be used as a three-terminal potentiometer or as a two-terminal rheostat. The TPL0202-10 has an end-to-end resistance of 10 kΩ.

This DPOT can be used as a mechanical potentiometer replacement, allowing the user (or software) to digitally control and adjust resistance.

The TPL0202 has non-volatile memory (EEPROM) which can be used to store the wiper position for automatic recall upon power-up. The internal registers of the TPL0202 can be accessed using a SPI-compatible digital interface.

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Technical documentation

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Type Title Date
* Datasheet TPL0202 256-Taps Dual Channel Digital Potentiometer With SPI and Non-Volatile Memory datasheet (Rev. E) Feb. 17, 2017
Technical articles So, what's a VNA anyway? Aug. 23, 2019
Technical articles So, what's the deal with frequency response? Aug. 23, 2019
Application notes Replacing Digital Potentiometers with Precision DACs Jul. 03, 2019
Technical articles So, what are S-parameters anyway? May 23, 2019
Technical articles How to achieve fast frequency hopping Mar. 03, 2019

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LIDAR Pulsed Time of Flight Reference Design
TIDA-00663 — Light Detection and Ranging (LIDAR) systems use the time taken by the light to fly back and forth to an object in an effort to measure the distance to this target.  The TIDA-00663 reference design shows how to design the time measurement back-end for LIDAR based on Time to Digital Converter (...)
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The TPL0102 TIs Newest Digital Potentiometer

Learn about TI's newest Digital Potentiometer, the TPL0102, industry’s smallest 256 Tap

Posted: 06-May-2011
Duration: 02:18

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