TPL0401B-10-Q1 (ACTIVE)

Automotive 128-Taps Single-Channel Digital Potentiometer With I2C Interface



The TPL0401x-10-Q1 device is a single-channel, linear-taper digital potentiometer with 128 wiper positions. The TPL0401x-10-Q1 has the low terminal internal and connected to GND. The position of the wiper can be adjusted using an I2C interface. The TPL0401x-10-Q1 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-Q1 has the low terminal internal and connected to GND.


  • 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)

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Parametrics Compare all products in Digital Potentiometers (DigiPots)

Number of Steps
Number of Channels (#)
Resistance taper
Operating Temperature Range (C)
Bandwidth (MHz)
Temp Coeff(Typ) (ppm/°C)
TPL0401B-10-Q1 TPL0202-10
128    256   
1    2   
Linear    Linear   
Volatile    Non-Volatile   
I2C    SPI   
-40 to 125    -40 to 105   
2.8    2   
6SC70    16WQFN   
20    132   

Other qualified versions of TPL0401B-10-Q1

Version Part Number Definition
Catalog TPL0401B-10 TI's standard catalog product