Overview
The TPL0401A-10DCKR is a single-channel, linear-taper digital potentiometer produced by Texas Instruments. This device features 128 wiper positions and an end-to-end resistance of 10 kΩ. It is designed to operate in voltage divider mode, with the low terminal internally connected to GND. The wiper position can be adjusted using an I2C serial interface, making it versatile for various applications. The TPL0401A-10DCKR is available in a 6-pin SC70 package and operates within a temperature range of –40°C to +125°C, with a supply voltage range of 2.7 V to 5.5 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| End-to-End Resistance | 10 kΩ | kΩ |
| Wiper Positions | 128 | - |
| Supply Voltage | 2.7 V to 5.5 V | V |
| Operating Temperature | –40°C to +125°C | °C |
| Temperature Coefficient | 22 ppm/°C | ppm/°C |
| Resistance Tolerance | ±20% | - |
| I2C Address | 0101110 | - |
| Package Type | SC70 (6-pin) | - |
| ESD Performance | 2000-V Human-Body Model (A114-B, Class II) | V |
Key Features
- Single-channel, linear-taper digital potentiometer with 128 wiper positions.
- 10 kΩ end-to-end resistance.
- 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.
Applications
- Mechanical potentiometer replacement.
- Adjustable power supplies.
- Adjustable gain amplifiers and offset trimming.
- Precision calibration of setpoint thresholds.
- Sensor trimming and calibration.
- Setting the voltage reference for low power DDR3 memory.
Q & A
- What is the end-to-end resistance of the TPL0401A-10DCKR? The end-to-end resistance is 10 kΩ.
- How many wiper positions does the TPL0401A-10DCKR have? It has 128 wiper positions.
- What is the operating temperature range of the TPL0401A-10DCKR? The operating temperature range is –40°C to +125°C.
- What is the supply voltage range for the TPL0401A-10DCKR? The supply voltage range is 2.7 V to 5.5 V.
- How is the wiper position adjusted in the TPL0401A-10DCKR? The wiper position is adjusted using an I2C serial interface.
- What is the temperature coefficient of the TPL0401A-10DCKR? The temperature coefficient is 22 ppm/°C.
- What package type is the TPL0401A-10DCKR available in? It is available in a 6-pin SC70 package.
- What are some common applications of the TPL0401A-10DCKR? Common applications include mechanical potentiometer replacement, adjustable power supplies, adjustable gain amplifiers, and sensor trimming.
- Does the TPL0401A-10DCKR have ESD protection? Yes, it has ESD performance tested per JESD 22, with a 2000-V Human-Body Model (A114-B, Class II).
- How is the low terminal connected in the TPL0401A-10DCKR? The low terminal is internally connected to GND.
