Overview
The AD5272BCPZ-100-RL7, produced by Analog Devices Inc., is a single-channel digital rheostat that offers 1024-position resolution. This device combines industry-leading variable resistor performance with nonvolatile memory (NVM) in a compact package. It is designed to provide high precision and reliability, making it suitable for a variety of applications that require precise resistance control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 1024 positions | - |
| Nominal Resistance | 100 kΩ | Ω |
| Resistor Tolerance Error | ±1% | - |
| Programmable Memory | 50-times programmable (50-TP) | - |
| Temperature Coefficient | 5 ppm/°C | ppm/°C |
| Supply Voltage | 2.7 V to 5.5 V (single-supply), ±2.5 V to ±2.75 V (dual-supply) | V |
| Interface | I²C-compatible | - |
| Package | 10-lead LFCSP (3 mm × 3 mm × 0.8 mm) | - |
| Operating Temperature | -40°C to +125°C | °C |
Key Features
- Single-channel, 1024-position digital rheostat with nonvolatile memory.
- Maximum ±1% nominal resistor tolerance error for high precision.
- 50-times programmable (50-TP) wiper memory for permanent settings.
- Rheostat mode temperature coefficient of 5 ppm/°C for stability.
- Supports both single-supply (2.7 V to 5.5 V) and dual-supply (±2.5 V to ±2.75 V) operations.
- I²C-compatible interface for easy control and communication.
- Compact 10-lead LFCSP package (3 mm × 3 mm × 0.8 mm) for space-efficient designs.
- Guaranteed operation over the extended industrial temperature range of -40°C to +125°C.
Applications
- Mechanical rheostat replacements.
- Variable gain control in op-amp circuits.
- Gain and offset adjustment in instrumentation.
- Programmable voltage to current conversions.
- Programmable filters, delays, and time constants.
- Programmable power supply applications.
- Sensor calibration.
Q & A
- What is the resolution of the AD5272BCPZ-100-RL7?
The AD5272BCPZ-100-RL7 has a resolution of 1024 positions.
- What is the nominal resistance of the AD5272BCPZ-100-RL7?
The nominal resistance is 100 kΩ.
- What is the resistor tolerance error of the AD5272BCPZ-100-RL7?
The resistor tolerance error is ±1%.
- How many times can the wiper memory be programmed?
The wiper memory can be programmed 50 times (50-TP).
- What is the temperature coefficient of the AD5272BCPZ-100-RL7?
The temperature coefficient is 5 ppm/°C.
- What are the supported supply voltage ranges for the AD5272BCPZ-100-RL7?
The device supports single-supply operation from 2.7 V to 5.5 V and dual-supply operation from ±2.5 V to ±2.75 V.
- What type of interface does the AD5272BCPZ-100-RL7 use?
The device uses an I²C-compatible interface.
- What is the package type and dimensions of the AD5272BCPZ-100-RL7?
The device is packaged in a 10-lead LFCSP (3 mm × 3 mm × 0.8 mm).
- What is the operating temperature range of the AD5272BCPZ-100-RL7?
The device operates over the extended industrial temperature range of -40°C to +125°C.
- What are some common applications of the AD5272BCPZ-100-RL7?
Common applications include mechanical rheostat replacements, variable gain control in op-amp circuits, gain and offset adjustment in instrumentation, and sensor calibration.
