AD8402ARUZ1

Key Features

• Dual-Channel Digital Potentiometer: Provides independent adjustment for two channels, A and B.
• 256-Position Resolution: Offers precise control with 256 discrete resistance settings.
• Serial Interface: Operates using a simple 3-wire SPI (Serial Peripheral Interface) interface for digital control.
• Wide Power Supply Range: Supports operation from a single +2.7V to +5.5V supply voltage.
• Low Power Consumption: Consumes minimal power, suitable for battery-operated devices.
• Compact Package: Available in a space-saving 16-pin TSSOP package.

Note: For detailed technical specifications, please refer to the AD8402ARUZ1 datasheet.

Application

• Analog Circuit Calibration: Ideal for adjusting circuit parameters digitally in analog applications.
• Instrumentation and Test Equipment: Used in precision instrumentation for calibration and signal adjustment.
• Audio Equipment: Suitable for volume and tone control adjustments in audio systems.

Functionality

The AD8402ARUZ1 dual-channel digital potentiometer allows precise adjustment of resistance values through digital control signals. It is designed to replace mechanical potentiometers in various applications, offering reliability and ease of integration.

Usage Guide

• Power Supply: Connect VCC (Pin 11) to the supply voltage (+2.7V to +5.5V) and GND (Pin 6) to power ground.
• Data Interface: Use the SPI interface (SDI, SCK, CS, SYNC) to send digital control signals for resistance adjustment.
• Channel Selection: VH, VA, VSS for Potentiometer A and VB, VB2, VSS for Potentiometer B allow independent adjustment.

Frequently Asked Questions

Q: What is the resolution of the AD8402ARUZ1 digital potentiometer?
A: The AD8402ARUZ1 offers a resolution of 256 positions for precise resistance adjustment.

Q: Can the AD8402ARUZ1 operate with a single power supply?
A: Yes, the AD8402ARUZ1 can operate with a supply voltage range from +2.7V to +5.5V.