Overview
The AD5142ABCPZ100-RL7 is a dual-channel, 256-position digital potentiometer produced by Analog Devices Inc. This component provides a nonvolatile solution for adjustment applications, offering high precision and reliability. It is designed to operate as a true variable resistor for analog signals, with a wide range of applications in various fields.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Taps | 256 | - |
| Total Resistance | 100 kΩ | - |
| Resistor Tolerance | ±8% | - |
| Temperature Coefficient | 35 ppm/°C | - |
| Wiper Current | ±6 mA | - |
| Supply Voltage | 2.25 V to 5.5 V | V |
| Logic Supply Voltage | 1.8 V to 5.5 V | V |
| Operating Temperature | −40°C to +125°C | °C |
| Package Type | 16-Lead LFCSP (3mm x 3mm w/ EP) | - |
| Interface | I2C | - |
Key Features
- Nonvolatile memory to store wiper settings
- Linear gain setting mode for accurate resistor matching
- High bandwidth of 3 MHz and low total harmonic distortion (THD) for optimal performance with ac signals
- Fast start-up time of less than 75 μs
- Single- and dual-supply operation
- Low resistor tolerance errors of ±8% and low nominal temperature coefficient of 35 ppm/°C
- Compact 16-lead LFCSP and TSSOP packages
- Qualified for automotive applications
Applications
- Portable electronics level adjustment
- LCD panel brightness and contrast controls
- Programmable filters, delays, and time constants
- Programmable power supplies
Q & A
- What is the number of taps in the AD5142ABCPZ100-RL7?
The AD5142ABCPZ100-RL7 has 256 taps.
- What is the total resistance of the AD5142ABCPZ100-RL7?
The total resistance is 100 kΩ.
- What is the resistor tolerance of the AD5142ABCPZ100-RL7?
The resistor tolerance is ±8%.
- What is the temperature coefficient of the AD5142ABCPZ100-RL7?
The temperature coefficient is 35 ppm/°C.
- What is the wiper current of the AD5142ABCPZ100-RL7?
The wiper current is ±6 mA.
- What are the supply voltage and logic supply voltage ranges for the AD5142ABCPZ100-RL7?
The supply voltage range is 2.25 V to 5.5 V, and the logic supply voltage range is 1.8 V to 5.5 V.
- What is the operating temperature range of the AD5142ABCPZ100-RL7?
The operating temperature range is −40°C to +125°C.
- What package types are available for the AD5142ABCPZ100-RL7?
The component is available in 16-Lead LFCSP (3mm x 3mm w/ EP) and 16-Lead TSSOP packages.
- What interface does the AD5142ABCPZ100-RL7 use?
The AD5142ABCPZ100-RL7 uses an I2C-compatible digital interface.
- Is the AD5142ABCPZ100-RL7 qualified for automotive applications?
