Overview
The AD5272BRMZ-100-RL7 is a single-channel digital rheostat produced by Analog Devices Inc. This component combines industry-leading variable resistor performance with nonvolatile memory (NVM) in a compact package. It offers 1024-position resolution and is designed for applications requiring high precision and reliability.
The device features a maximum ±1% nominal resistor tolerance error, ensuring high accuracy in various applications. It operates over a wide temperature range of −40°C to +125°C, making it suitable for industrial environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 1024 positions | |
| Nominal Resistance | 100 kΩ | Ω |
| Nominal Resistor Tolerance Error | ±1% | % |
| Temperature Coefficient (Rheostat Mode) | 5 ppm/°C | ppm/°C |
| Supply Voltage (Single Supply) | 2.7 V to 5.5 V | V |
| Supply Voltage (Dual Supply) | ±2.5 V to ±2.75 V | V |
| Interface | I²C-compatible | |
| Package Type | 10-Lead MSOP | |
| Operating Temperature Range | −40°C to +125°C | °C |
| 50-TP Memory | 50 times programmable |
Key Features
- Single-channel, 1024-position digital rheostat with high resolution.
- Maximum ±1% nominal resistor tolerance error for high accuracy.
- 50-times programmable (50-TP) nonvolatile memory for wiper settings.
- I²C-compatible digital interface for easy control and readback of wiper settings.
- Compact 10-lead MSOP package for space-efficient designs.
- Operating temperature range of −40°C to +125°C for industrial applications.
- No external voltage supply required for fuse blow and permanent programming.
Applications
The AD5272BRMZ-100-RL7 is suitable for a variety of applications, including:
- Precision calibration and tolerance matching.
- Open-loop applications requiring high accuracy.
- Variable gain amplifiers and filters.
- Industrial control systems and automation.
- Medical and aerospace applications where high reliability is crucial.
Q & A
- What is the resolution of the AD5272BRMZ-100-RL7?
The AD5272BRMZ-100-RL7 has a resolution of 1024 positions.
- What is the nominal resistance of the AD5272BRMZ-100-RL7?
The nominal resistance is 100 kΩ.
- What is the maximum nominal resistor tolerance error?
The maximum nominal resistor tolerance error is ±1%.
- What type of interface does the AD5272BRMZ-100-RL7 use?
The device uses an I²C-compatible digital interface.
- What is the operating temperature range of the AD5272BRMZ-100-RL7?
The operating temperature range is −40°C to +125°C.
- Does the AD5272BRMZ-100-RL7 require an external voltage supply for programming?
No, it does not require an external voltage supply for fuse blow and permanent programming.
- What type of package is the AD5272BRMZ-100-RL7 available in?
The device is available in a 10-lead MSOP package.
- How many times can the wiper settings be programmed?
The wiper settings can be programmed 50 times (50-TP memory).
- What is the temperature coefficient of the rheostat mode?
The temperature coefficient in rheostat mode is 5 ppm/°C.
- Can the AD5272BRMZ-100-RL7 be used in industrial applications?
Yes, it is suitable for industrial applications due to its high reliability and wide operating temperature range.
