Manufacturer Part Number
AD8402ARZ1
Manufacturer
Analog Devices
Introduction
The AD8402ARZ1 is a dual-channel digital potentiometer designed for data acquisition and control applications.
Product Features and Performance
Dual-channel potentiometer
256 position resolution
Linear taper characteristic
SPI (Serial Peripheral Interface) for digital communication
Volatile memory type
Product Advantages
Precise adjustment with 256 taps
Low temperature coefficient for stable operation
Compatible with a wide range of voltage supplies
Surface mount device allowing compact PCB design
Key Technical Parameters
1k Ohm resistance per channel
7V to 5.5V supply voltage range
±33% tolerance
700ppm/°C temperature coefficient
200 Ohms typical wiper resistance
Quality and Safety Features
Robust performance across -40°C to 125°C operating temperature range
Compatibility
SPI interface compatible with most microcontrollers
Standard 14-SOIC package compatible with common PCB layouts
Application Areas
Volume controls, LCD screen adjustments, filter adjustments, and other electronic control systems
Product Lifecycle
Active product not nearing discontinuation
Replacements or upgrades are available for future considerations
Several Key Reasons to Choose This Product
High resolution with 256 taps for fine adjustments
Dual channels provide additional control in a single package
SPI interface allows easy integration with digital systems
Wide operating voltage range makes it suitable for various applications
High reliability with stable performance across a wide temperature range
AD8402ARZ10-REEL7ADI (Analog Devices, Inc.)