Overview
The AD5243BRM10, produced by Analog Devices Inc., is a dual, 256-position digital potentiometer. This component is designed to provide a compact solution for variable resistance adjustments in a variety of applications. It operates from a single supply voltage ranging from 2.7 V to 5.5 V and consumes less than 6 µA, making it suitable for portable battery-operated devices. The AD5243BRM10 is available in a 10-lead MSOP package, measuring 3 mm × 4.9 mm, and features an I²C-compatible digital interface for controlling the wiper settings.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Circuits | 2 |
| Number of Taps | 256 |
| End-to-End Resistance | 10 kΩ (other options: 2.5 kΩ, 50 kΩ, 100 kΩ) |
| Interface | I²C-compatible |
| Voltage Supply Range | 2.7 V to 5.5 V |
| Supply Current (IDD) | Less than 6 µA |
| Operating Temperature Range | −40°C to +125°C |
| Temperature Coefficient | 35 ppm/°C |
| Package Type | 10-MSOP (3 mm × 4.9 mm) |
| Resistance - Wiper (Typ) | 160 Ω |
Key Features
- Compact 10-lead MSOP package (3 mm × 4.9 mm)
- Full read/write of wiper register
- Power-on preset to midscale
- Computer software replaces microcontroller in factory programming applications
- Low temperature coefficient: 35 ppm/°C
- Low power consumption: IDD = 6 µA maximum
- Wide operating temperature range: −40°C to +125°C
- Evaluation board available
Applications
- Systems calibrations
- Electronics level settings
- Mechanical trimmers replacement in new designs
- Permanent factory printed circuit board (PCB) settings
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Gain control and offset adjustment
Q & A
- What is the operating voltage range of the AD5243BRM10?
The AD5243BRM10 operates from a single supply voltage ranging from 2.7 V to 5.5 V.
- How many positions does the AD5243BRM10 digital potentiometer have?
The AD5243BRM10 has 256 positions.
- What is the typical supply current of the AD5243BRM10?
The typical supply current is less than 6 µA.
- What is the temperature coefficient of the AD5243BRM10?
The temperature coefficient is 35 ppm/°C.
- What package type is the AD5243BRM10 available in?
The AD5243BRM10 is available in a 10-lead MSOP package.
- What are some common applications of the AD5243BRM10?
Common applications include systems calibrations, electronics level settings, mechanical trimmers replacement, and transducer adjustments.
- Does the AD5243BRM10 have an evaluation board available?
- What is the operating temperature range of the AD5243BRM10?
The operating temperature range is −40°C to +125°C.
- How does the AD5243BRM10 interface with other components?
The AD5243BRM10 uses an I²C-compatible digital interface.
- Can the AD5243BRM10 be used in portable battery-operated devices?
