Overview
The AD5272BCPZ-20-RL7 is a single-channel digital rheostat produced by Analog Devices Inc. This component combines industry-leading variable resistor performance with nonvolatile memory, making it highly versatile for various applications. It features a 1024-position resolution and is part of the AD5272/AD5274 family, known for their high precision and reliability.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Nominal Resistance | 20 kΩ, 50 kΩ, 100 kΩ | - | - |
| Resolution | 1024-/256-position | - | - |
| Resistor Tolerance Error | ±1% | - | Nominal |
| Temperature Coefficient | 5 ppm/°C | - | Rheostat mode |
| Supply Voltage | 2.7 V to 5.5 V | V | Single-supply operation |
| Interface | I2C-compatible | - | Standard and fast modes |
| Memory | 50-times programmable (50-TP) | - | Nonvolatile memory |
| Operating Temperature Range | −40°C to +125°C | °C | - |
| Package | 10-lead LFCSP (3mm x 3mm x 0.8mm) | - | - |
Key Features
- Single-channel, 1024-/256-position resolution for precise control.
- Nominal resistances of 20 kΩ, 50 kΩ, and 100 kΩ with ±1% tolerance error.
- 50-times programmable (50-TP) nonvolatile memory for wiper settings.
- I2C-compatible digital interface supporting standard and fast modes.
- Low temperature coefficient of 5 ppm/°C in rheostat mode.
- Single-supply operation from 2.7 V to 5.5 V and dual-supply operation for ac or bipolar operations.
- Compact 10-lead LFCSP and MSOP packages.
- Wiper setting readback and power-on refresh from 50-TP memory.
Applications
The AD5272BCPZ-20-RL7 is suitable for a variety of applications, including:
- Precision calibration and tolerance matching.
- Open-loop applications requiring high accuracy.
- Variable gain amplifiers and audio equipment.
- Industrial control systems and automation.
- Medical devices and diagnostic equipment.
Q & A
- What is the resolution of the AD5272BCPZ-20-RL7?
The AD5272BCPZ-20-RL7 has a resolution of 1024 or 256 positions.
- What are the nominal resistance values available for this component?
The nominal resistances are 20 kΩ, 50 kΩ, and 100 kΩ.
- What is the resistor tolerance error of the AD5272BCPZ-20-RL7?
The resistor tolerance error is ±1%.
- What type of interface does the AD5272BCPZ-20-RL7 use?
The component uses an I2C-compatible digital interface.
- What is the operating temperature range of the AD5272BCPZ-20-RL7?
The operating temperature range is −40°C to +125°C.
- How many times can the wiper settings be programmed?
The wiper settings can be programmed 50 times (50-TP).
- What is the package type of the AD5272BCPZ-20-RL7?
The component is available in a 10-lead LFCSP package.
- Does the AD5272BCPZ-20-RL7 support dual-supply operation?
- What is the temperature coefficient of the AD5272BCPZ-20-RL7 in rheostat mode?
The temperature coefficient is 5 ppm/°C.
- Can the wiper settings be read back?
