Product details

Number of steps 128 Number of channels (#) 1 Resistance taper Linear Interface type I2C Memory Volatile Bandwidth (MHz) 2.8 Temp coeff (Typ) (ppm/ degree C) 22 Operating temperature range (C) -40 to 125
Number of steps 128 Number of channels (#) 1 Resistance taper Linear Interface type I2C Memory Volatile Bandwidth (MHz) 2.8 Temp coeff (Typ) (ppm/ degree C) 22 Operating temperature range (C) -40 to 125
SOT-SC70 (DCK) 6 4 mm² 2 x 2.1
  • Single-Channel, 128-Position Resolution
  • 10-kΩ End-to-End Resistance Options
  • Low Temperature Coefficient: 22 ppm/°C
  • I2C Serial Interface
  • 2.7-V to 5.5-V Single-Supply Operation
  • ±20% Resistance Tolerance
  • A and B Versions Have Different I2C Addresses
  • L Terminal is Internal and Connected to GND
  • Operating Temperature: –40°C to +125°C
  • Available in Industry Standard SC70 Packages
  • ESD Performance Tested per JESD 22
    • 2000-V Human-Body Model (A114-B, Class II)
  • Single-Channel, 128-Position Resolution
  • 10-kΩ End-to-End Resistance Options
  • Low Temperature Coefficient: 22 ppm/°C
  • I2C Serial Interface
  • 2.7-V to 5.5-V Single-Supply Operation
  • ±20% Resistance Tolerance
  • A and B Versions Have Different I2C Addresses
  • L Terminal is Internal and Connected to GND
  • Operating Temperature: –40°C to +125°C
  • Available in Industry Standard SC70 Packages
  • ESD Performance Tested per JESD 22
    • 2000-V Human-Body Model (A114-B, Class II)

The TPL0401x-10 device is a single-channel, linear-taper digital potentiometer with 128 wiper positions. The TPL0401x-10 has the low terminal internal and connected to GND. The position of the wiper can be adjusted using an I2C interface. The TPL0401x-10 is available in a 6-pin SC70 package with a specified temperature range of –40°C to +125°C. The part has a 10-kΩ end-to-end resistance and can operate with a supply voltage range of 2.7 V to 5.5 V. This kind of product is widely used in setting the voltage reference for low power DDR3 memory.

The TPL0401x-10 has the low terminal internal and connected to GND.

The TPL0401x-10 device is a single-channel, linear-taper digital potentiometer with 128 wiper positions. The TPL0401x-10 has the low terminal internal and connected to GND. The position of the wiper can be adjusted using an I2C interface. The TPL0401x-10 is available in a 6-pin SC70 package with a specified temperature range of –40°C to +125°C. The part has a 10-kΩ end-to-end resistance and can operate with a supply voltage range of 2.7 V to 5.5 V. This kind of product is widely used in setting the voltage reference for low power DDR3 memory.

The TPL0401x-10 has the low terminal internal and connected to GND.

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Technical documentation

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Type Title Date
* Data sheet TPL0401x-10 128-TAPS Single-Channel Digital Potentiometer With I2C Interface datasheet (Rev. B) 15 Feb 2017
Application note Replacing Digital Potentiometers with Precision DACs 03 Jul 2019
User guide TPL0401 Evaluation Module User's Guide (Rev. A) 29 Nov 2016
Technical article Doing the math: The inside story of the Analog Engineer’s Pocket Reference 02 Mar 2015
Technical article SAR ADC response times: Interface topology makes a difference (Part 3) 17 Feb 2015
Technical article SAR ADC response times: Interface topology makes a difference (Part 2) 13 Feb 2015
Technical article SAR ADC response times: Interface topology makes a difference (Part 1) 16 Jan 2015

Design & development

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Evaluation board

TPL0401EVM — TPL0401 128-tap single-channel digital potentiometer with I2C interface evaluation module

The TPL0401 is an I2C bus-controlled, single-channel, linear-taper digital potentiometer with 128 wiper positions. TPL0401A/B have an end-to-end resistance of 10 kΩ and the low terminal is internally connected to ground. The position of the wiper can be adjusted using an I2C interface. The TPL0401 (...)

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Support software

TPL0401EVM Software (Rev. A)

SLIC019A.ZIP (575 KB)
Simulation model

TPL0401A-10 IBIS Model

SLIM304.ZIP (20 KB) - IBIS Model
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