Overview
The AD5243BRMZ50-RL7 is a dual, 256-position digital potentiometer produced by Analog Devices Inc. This component is designed to provide a compact and highly accurate solution for various adjustment applications. It operates as a 3-terminal mechanical potentiometer, offering a digital alternative with enhanced precision and stability. The device is packaged in a 10-lead MSOP (3 mm x 4.9 mm) and is suitable for a wide range of applications requiring precise resistance adjustments.
Key Specifications
| Parameter | Value |
|---|---|
| End-to-end Resistance | 50 kΩ |
| Number of Positions | 256 |
| Interface | I2C-compatible |
| Power Supply Range | 2.7 V to 5.5 V |
| Supply Current | 3.5 µA to 6 µA |
| Operating Temperature Range | −40°C to +125°C |
| Package Type | 10-lead MSOP |
| Settling Time | 5 µs typical on power-up |
| Temperature Coefficient | 35 ppm/°C |
| Bandwidth, −3 dB | 4.8 MHz |
Key Features
- Dual, 256-position digital potentiometer
- I2C-compatible digital interface for wiper control
- Compact 10-lead MSOP package (3 mm x 4.9 mm)
- Fast settling time: 5 µs typical on power-up
- Power-on preset to midscale
- Low power consumption: 3.5 µA to 6 µA
- Low temperature coefficient: 35 ppm/°C
- Wide operating temperature range: −40°C to +125°C
- Full read/write of wiper register
Applications
- Systems calibrations
- Electronics level settings
- Replacement of mechanical trimmers in new designs
- Permanent factory printed circuit board (PCB) settings
- Transducer adjustment for pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Gain control and offset adjustment
Q & A
- What is the end-to-end resistance of the AD5243BRMZ50-RL7?
The end-to-end resistance of the AD5243BRMZ50-RL7 is 50 kΩ. - How many positions does the AD5243BRMZ50-RL7 have?
The AD5243BRMZ50-RL7 has 256 positions. - What is the interface type of the AD5243BRMZ50-RL7?
The interface type is I2C-compatible. - What is the power supply range for the AD5243BRMZ50-RL7?
The power supply range is from 2.7 V to 5.5 V. - What is the typical settling time of the AD5243BRMZ50-RL7 on power-up?
The typical settling time is 5 µs on power-up. - What is the temperature coefficient of the AD5243BRMZ50-RL7?
The temperature coefficient is 35 ppm/°C. - What is the operating temperature range of the AD5243BRMZ50-RL7?
The operating temperature range is from −40°C to +125°C. - What package type does the AD5243BRMZ50-RL7 use?
The package type is a 10-lead MSOP (3 mm x 4.9 mm). - What are some common applications of the AD5243BRMZ50-RL7?
Common applications include systems calibrations, electronics level settings, replacement of mechanical trimmers, and transducer adjustments. - Is the AD5243BRMZ50-RL7 suitable for battery-operated devices?
Yes, it is suitable due to its low power consumption of 3.5 µA to 6 µA.
