Overview
The AD5243BRMZ10, produced by Analog Devices Inc., is a dual, 256-position digital potentiometer designed for precision adjustment applications. This component is part of the AD5243 series, which offers a compact solution in a 10-lead MSOP package measuring 3 mm x 4.9 mm. It functions similarly to a 3-terminal mechanical potentiometer, providing electronic adjustment capabilities through an I2C-compatible digital interface. The device is suitable for a wide range of applications requiring high accuracy and stability in variable resistance adjustments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | - |
| Number of Positions | 256 | - |
| End-to-End Resistance | 10 kΩ | kΩ |
| Package Type | 10-Lead MSOP | - |
| Package Dimensions | 3 mm x 4.9 mm | mm |
| Supply Voltage | 2.7 V to 5.5 V | V |
| Supply Current | 6 µA (max) | µA |
| Operating Temperature | −40°C to +125°C | °C |
| Temperature Coefficient | 35 ppm/°C | ppm/°C |
| Settling Time | 5 µs (typical) | µs |
Key Features
- Compact 10-lead MSOP package
- Full read/write of wiper register
- Power-on preset to midscale
- Computer software replaces microcontroller in factory programming applications
- Low power consumption: IDD = 6 µA maximum
- Low temperature coefficient: 35 ppm/°C
- Wide operating temperature range: −40°C to +125°C
- I2C-compatible digital interface
- 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 AD5243BRMZ10 used for?
The AD5243BRMZ10 is used for precision adjustment applications, similar to a 3-terminal mechanical potentiometer, but with electronic adjustment capabilities. - What are the end-to-end resistance values available for the AD5243 series?
The AD5243 series is available in end-to-end resistance values of 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ. - What is the package type and dimensions of the AD5243BRMZ10?
The AD5243BRMZ10 comes in a 10-lead MSOP package measuring 3 mm x 4.9 mm. - What is the operating temperature range of the AD5243BRMZ10?
The operating temperature range is −40°C to +125°C. - How does the AD5243BRMZ10 interface with other components?
The AD5243BRMZ10 uses an I2C-compatible digital interface. - What is the power consumption of the AD5243BRMZ10?
The maximum supply current is 6 µA. - Is there an evaluation board available for the AD5243BRMZ10?
Yes, an evaluation board is available for the AD5243BRMZ10. - What are some common applications of the AD5243BRMZ10?
Common applications include systems calibrations, electronics level settings, mechanical trimmers replacement, and transducer adjustments. - How does the AD5243BRMZ10 handle power-on settings?
The device has a power-on preset to midscale. - Can the AD5243BRMZ10 be used in battery-operated devices?
Yes, due to its low power consumption, it is suitable for portable battery-operated applications.
