TPL0401A-10

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128-tap single-channel digital potentiometer (digipot) with I2C interface (address 0111110)

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Product details

Parameters

Number of steps 128 Number of channels (#) 1 Resistance taper Linear Interface type I2C Memory Volatile Bandwidth (MHz) 2.8 Temp coeff (typ) (ppm/°C) 22 Operating temperature range (C) -40 to 125 open-in-new Find other Digital potentiometers (digipots)

Package | Pins | Size

SOT-SC70 (DCK) 6 4 mm² 2 x 2.1 open-in-new Find other Digital potentiometers (digipots)

Features

  • 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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Description

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

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

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
25
Description

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 (...)

Features
  • Works with low-cost MSP430-based LaunchPad platform
  • Simple GUI to control EVM
  • EVM can operate in three different modes
    • Adjustable voltage reference mode
    • Variable gain mode
  • Board is entirely powered by USB

Software development

SUPPORT SOFTWARE Download
SLIC019A.ZIP (575 KB)

Design tools & simulation

SIMULATION MODELS Download
SLIM304.ZIP (20 KB) - IBIS Model
SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide

Reference designs

REFERENCE DESIGNS Download
Accurate Temperature, Light Sensing, and Diagnostics Reference Design for Smart Grid Applications
TIDA-00811 — This reference design provides accurate measurements of ambient light intensity used to detect arc flash faults with a fast response of 1 ms, protecting or minimizing damages to power distribution switchgear. This design also monitors temperature (using switch, analog, digital or remote ), humidity (...)
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REFERENCE DESIGNS Download
Programmable Output 50W 5-20Vout Buck-Boost USB Type-C Car Charger Adapter Reference Design
PMP10726 — PMP10726 is a synchronous 4-switch buck-boost converter which utilizes the LM5175 controller for USB Type-C car charger adapter applications. The output voltage can be selected for 5V, 9V, 15V, or 20V with a maximum output power of 50W by using I2C to adjust the TPL0401A-10 digital potentiometer (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Linear Regulator as a Dynamic Voltage Scaling Power Supply Reference Design
TIDA-00531 The TIDA-00531 reference design features dynamic voltage scaling (DVS) as a power management solution to power CPU/DSP core voltages.
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REFERENCE DESIGNS Download
Power Supply with Programmable Output Voltage and Protection for Position Encoder Interfaces
TIDA-00180 This TI Design implements a universal power supply with programmable output voltage and innovative smart e-Fuse technology for use in a multi-standard position encoder interface module on an industrial drive. The eFuse provides inrush-current and over-current protection as well as user programmable (...)
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CAD/CAE symbols

Package Pins Download
SC70 (DCK) 6 View options

Ordering & quality

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