Overview
The AD5272BRMZ-50, produced by Analog Devices Inc., is a single-channel, 1024-position digital rheostat. This component combines industry-leading variable resistor performance with nonvolatile memory (NVM) in a compact package. It is designed to offer high precision and reliability, making it suitable for a variety of applications requiring precise resistance adjustments.
Key Specifications
| Specification | Value |
|---|---|
| Nominal Resistance | 50 kΩ |
| Resolution | 1024 positions |
| Resistor Tolerance Error | Maximum ±1% |
| Wiper Memory | 50-times programmable (50-TP) |
| Temperature Coefficient | 5 ppm/°C |
| Supply Voltage | 2.7 V to 5.5 V (single-supply), ±2.5 V to ±2.75 V (dual-supply) |
| Interface | I²C-compatible digital interface |
| Package | 10-lead MSOP (3 mm × 4.9 mm × 1.1 mm) |
| Operating Temperature Range | −40°C to +125°C |
Key Features
- Single-channel, 1024-position resolution for precise resistance adjustments.
- Maximum ±1% nominal resistor tolerance error, ensuring high accuracy.
- 50-times programmable (50-TP) wiper memory for permanent settings.
- I²C-compatible digital interface for easy control and readback of wiper settings.
- Compact 10-lead MSOP package, suitable for space-constrained designs.
- Extended industrial temperature range of −40°C to +125°C.
- No external voltage supply required for fuse blow and permanent programming.
Applications
The AD5272BRMZ-50 is suitable for various applications requiring precise resistance adjustments, such as:
- Precision calibration and tolerance matching.
- Open-loop applications where high accuracy is crucial.
- Variable gain amplifiers and filters.
- Industrial control systems and automation.
- Aerospace and defense systems where reliability and precision are paramount.
Q & A
- What is the nominal resistance of the AD5272BRMZ-50?
The nominal resistance of the AD5272BRMZ-50 is 50 kΩ. - How many positions does the AD5272BRMZ-50 have?
The AD5272BRMZ-50 has 1024 positions. - What is the maximum resistor tolerance error of the AD5272BRMZ-50?
The maximum resistor tolerance error is ±1%. - What type of memory does the AD5272BRMZ-50 have?
The AD5272BRMZ-50 has 50-times programmable (50-TP) wiper memory. - What is the temperature coefficient of the AD5272BRMZ-50?
The temperature coefficient is 5 ppm/°C. - What is the operating voltage range of the AD5272BRMZ-50?
The operating voltage range is 2.7 V to 5.5 V (single-supply) and ±2.5 V to ±2.75 V (dual-supply). - What type of interface does the AD5272BRMZ-50 use?
The AD5272BRMZ-50 uses an I²C-compatible digital interface. - In what package is the AD5272BRMZ-50 available?
The AD5272BRMZ-50 is available in a 10-lead MSOP package. - What is the operating temperature range of the AD5272BRMZ-50?
The operating temperature range is −40°C to +125°C. - Does the AD5272BRMZ-50 require an external voltage supply for fuse blow and permanent programming?
No, the AD5272BRMZ-50 does not require an external voltage supply for fuse blow and permanent programming.
