Overview
The AD5243BRM10-RL7 is a dual, 256-position, I2C-compatible digital potentiometer produced by Analog Devices Inc. This component is designed to provide a compact solution for various adjustment applications, offering the functionality of a 3-terminal mechanical potentiometer. The device operates from a single supply voltage of 2.7 V to 5.5 V and consumes less than 6 µA, making it suitable for portable battery-operated applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Positions | 256 |
| End-to-End Resistance | 10 kΩ (for AD5243BRM10-RL7) |
| Package Type | 10-Lead MSOP (3 mm × 4.9 mm) |
| Supply Voltage | 2.7 V to 5.5 V |
| Current Consumption | Less than 6 µA |
| Operating Temperature | −40°C to +125°C |
| Temperature Coefficient | 35 ppm/°C |
| Interface | I2C-compatible, 2-wire serial control |
| Power-on Preset | Midscale |
Key Features
- Dual, 256-position digital potentiometer with I2C-compatible interface
- Compact 10-lead MSOP package (3 mm × 4.9 mm)
- Single supply operation: 2.7 V to 5.5 V
- Low power consumption: less than 6 µA
- Wide operating temperature range: −40°C to +125°C
- Low temperature coefficient: 35 ppm/°C
- Full read/write of wiper register
- Power-on preset to midscale
- Computer software for factory programming, replacing the need for external microcontrollers
Applications
- Systems calibrations
- Electronics level settings
- Mechanical trimmers replacement 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 AD5243BRM10-RL7 used for?
The AD5243BRM10-RL7 is used as a dual, 256-position digital potentiometer for various adjustment applications, including systems calibrations, electronics level settings, and transducer adjustments.
- What are the available end-to-end resistance values for the AD5243?
The AD5243 is available with end-to-end resistance values of 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the operating voltage range of the AD5243BRM10-RL7?
The operating voltage range is from 2.7 V to 5.5 V.
- How much current does the AD5243BRM10-RL7 consume?
The device consumes less than 6 µA.
- What is the temperature coefficient of the AD5243BRM10-RL7?
The temperature coefficient is 35 ppm/°C.
- What interface does the AD5243BRM10-RL7 use?
The device uses an I2C-compatible, 2-wire serial control interface.
- What is the power-on preset state of the wiper register?
The wiper register is preset to midscale during power-on.
- Is there software available for factory programming of the AD5243BRM10-RL7?
- What is the package type of the AD5243BRM10-RL7?
The device is packaged in a 10-lead MSOP (3 mm × 4.9 mm).
- What is the operating temperature range of the AD5243BRM10-RL7?
The operating temperature range is from −40°C to +125°C.
