Overview
The AD5271BRMZ-100-RL7 is a single-channel, 256-position digital rheostat produced by Analog Devices Inc. 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 that require precise resistance control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 256 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 | SPI-compatible | - |
| Package Type | 10-Lead MSOP | - |
| Operating Temperature Range | -40°C to +125°C | °C |
| 50-Times Programmable (50-TP) Memory | Yes | - |
Key Features
- Single-channel, 256-position digital rheostat with high precision and reliability.
- Maximum ±1% nominal resistor tolerance error, ensuring accurate resistance settings.
- 50-times programmable (50-TP) wiper memory, allowing for permanent resistance settings.
- SPI-compatible interface for easy control and programming.
- Wiper setting readback and power-on refresh from 50-TP memory.
- Compact 10-lead MSOP package, suitable for space-constrained applications.
- Operating temperature range of -40°C to +125°C, making it suitable for industrial environments.
Applications
- Mechanical potentiometer replacements.
- Op-amp variable gain control.
- Instrumentation: gain and offset adjustment.
- Programmable voltage-to-current conversions.
- Programmable filters, delays, and time constants.
- Programmable power supply.
- Sensor calibration.
Q & A
- What is the resolution of the AD5271BRMZ-100-RL7?
The AD5271BRMZ-100-RL7 has a resolution of 256 positions.
- What is the nominal resistance of the AD5271BRMZ-100-RL7?
The nominal resistance is 100 kΩ.
- What is the nominal resistor tolerance error of the AD5271BRMZ-100-RL7?
The nominal resistor tolerance error is ±1%.
- What is the temperature coefficient of the AD5271BRMZ-100-RL7 in rheostat mode?
The temperature coefficient is 5 ppm/°C.
- What is the supply voltage range for the AD5271BRMZ-100-RL7?
The supply voltage range is 2.7 V to 5.5 V for single-supply operation and ±2.5 V to ±2.75 V for dual-supply operation.
- What interface does the AD5271BRMZ-100-RL7 use?
The AD5271BRMZ-100-RL7 uses an SPI-compatible interface.
- What is the package type of the AD5271BRMZ-100-RL7?
The package type is a 10-Lead MSOP.
- What is the operating temperature range of the AD5271BRMZ-100-RL7?
The operating temperature range is -40°C to +125°C.
- Does the AD5271BRMZ-100-RL7 have 50-times programmable (50-TP) memory?
Yes, it does have 50-TP memory.
- What are some common applications of the AD5271BRMZ-100-RL7?
Common applications include mechanical potentiometer replacements, op-amp variable gain control, instrumentation, programmable voltage-to-current conversions, and sensor calibration.
