AD5243BRM100-RL7 - Dual, 256-Position, I2C-Compatible Digital Potentiometer

The AD5243BRM100-RL7 is a high-performance dual-channel digital potentiometer from Analog Devices Inc., a leader in high-performance semiconductors for signal processing applications. This precision device offers 256-position adjustment capabilities, providing a versatile solution for calibrating system tolerances or controlling variable parameters in a wide range of electronic applications.

Featuring an I<sup>2C-compatible interface, the AD5243BRM100-RL7 allows for easy integration into existing digital systems, enabling communication with microcontrollers and other digital devices over a two-wire serial bus. This digital potentiometer operates from a 2.7 V to 5.5 V supply, making it suitable for both 3 V and 5 V systems.

Each of the two potentiometers in the package can be individually programmed via the I<sup>2C interface. The resistance range for each potentiometer is 100 kΩ, with an end-to-end resistance tolerance of ±1%. The compact 10-lead MSOP (Mini Small Outline Package) of the AD5243BRM100-RL7 ensures a minimal footprint on the PCB, which is critical in space-constrained applications.

The device also boasts outstanding AC characteristics, including 7 MHz bandwidth and 5 μs settling time, making it an excellent choice for applications requiring fast parameter adjustments. The robust design of the AD5243BRM100-RL7 includes a power-on preset to midscale, providing a predictable startup state and simplifying the device initialization process.

Typical applications for this digital potentiometer include programmable filters, voltage-controlled oscillators, gain and offset adjustment, and power supply adjustment. The versatility of the AD5243BRM100-RL7, combined with its ease of use and integration, makes it an ideal choice for designers seeking precision and reliability in their digital potentiometer solutions.

Product Specifications:

• Manufacturer: Analog Devices Inc.
• Part Number: AD5243BRM100-RL7
• Resistance: 100 kΩ per potentiometer
• Tolerance: ±1% end-to-end resistance
• Interface: I<sup>2C-compatible
• Supply Voltage: 2.7 V to 5.5 V
• Package: 10-lead MSOP
• Bandwidth: 7 MHz
• Settling Time: 5 μs