Overview
The AD5141BCPZ10-RL7 is a digital potentiometer manufactured by Analog Devices Inc. This component is part of the AD5141 series, offering a nonvolatile solution for 256-position adjustment applications. It features a proprietary RDAC segmentation architecture, ensuring low resistor tolerance errors and high precision in various electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Positions | 256 | - |
| Interface | SPI/I2C | - |
| Resistance Value | 100 kΩ | Ω |
| Resistor Tolerance | ±8% | % |
| Temperature Coefficient | 35 ppm/°C | ppm/°C |
| Operating Temperature | −40°C to +125°C | °C |
| Logic Supply Voltage | 1.8 V to 5.5 V | V |
| Bandwidth | 3 MHz (RAB = 10 kΩ), 0.43 MHz (RAB = 100 kΩ) | MHz |
| Total Harmonic Distortion (THD) | -60 dB | dB |
| Package Type | 16-lead, 3 mm × 3 mm LFCSP | - |
Key Features
- Nonvolatile memory for storing wiper settings.
- Linear gain setting mode for independent programming of resistance between terminals.
- Low resistor tolerance errors (±8%) and low nominal temperature coefficient (35 ppm/°C).
- High bandwidth (3 MHz for RAB = 10 kΩ) and low total harmonic distortion (-60 dB).
- Fast start-up time (< 75 µs) and independent logic supply (1.8 V to 5.5 V).
- SPI- and I2C-compatible digital interface for setting and reading wiper values.
- Compact 16-lead, 3 mm × 3 mm LFCSP package.
Applications
- Portable electronics level adjustment.
- LCD panel brightness and contrast controls.
- Programmable filters, delays, and time constants.
- Programmable power supplies.
- Automotive applications due to its extended industrial temperature range.
Q & A
- What is the number of positions available in the AD5141BCPZ10-RL7?
The AD5141BCPZ10-RL7 has 256 positions.
- What interfaces are supported by the AD5141BCPZ10-RL7?
The component supports both SPI and I2C interfaces.
- What is the resistance value of the AD5141BCPZ10-RL7?
The resistance value is 100 kΩ.
- What is the operating temperature range of the AD5141BCPZ10-RL7?
The operating temperature range is −40°C to +125°C.
- What is the logic supply voltage range for the AD5141BCPZ10-RL7?
The logic supply voltage range is 1.8 V to 5.5 V.
- What is the bandwidth of the AD5141BCPZ10-RL7?
The bandwidth is 3 MHz for RAB = 10 kΩ and 0.43 MHz for RAB = 100 kΩ.
- What is the total harmonic distortion (THD) of the AD5141BCPZ10-RL7?
The total harmonic distortion is -60 dB.
- What package type is used for the AD5141BCPZ10-RL7?
The component is packaged in a 16-lead, 3 mm × 3 mm LFCSP.
- Is the AD5141BCPZ10-RL7 suitable for automotive applications?
Yes, it is qualified for automotive applications due to its extended industrial temperature range.
- How does the AD5141BCPZ10-RL7 store wiper settings?
The component uses nonvolatile memory to store wiper settings.
