Manufacturer Part Number
AD8402ARZ50
Manufacturer
Analog Devices
Introduction
The AD8402ARZ50 is a dual-channel, linear taper digital potentiometer offering a 50k Ohms resistance value. It allows for precise voltage setting and adjustment through a digital SPI interface.
Product Features and Performance
Dual channel digital potentiometer
256 position settings for accurate adjustments
Linear taper for consistent scaling
50k Ohms total resistance
SPI interface for digital communication
Volatile memory type
Surface mount package, ease of integration into circuit designs
Product Advantages
High resistance accuracy and repeatability due to advanced fabrication techniques
Low temperature coefficient, minimizing variations across different temperatures
Integration-friendly with SPI interface, facilitating easy interfacing with microcontrollers and digital systems
Compact 14-SOIC package suitable for space-constrained applications
Key Technical Parameters
Number of Circuits: 2
Number of Taps: 256
Resistance: 50k Ohms
Voltage - Supply: 2.7V to 5.5V
Temperature Coefficient: 500ppm/°C
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Accurate resistance within ±30% tolerance
High reliability in varying environmental temperatures
Designed for long-term performance stability
Compatibility
Easily interfaces with microcontrollers and other digital systems through SPI communication protocol
Suitable for applications requiring up to 5.5V supply voltage
Application Areas
Consumer electronics volume control
Instrumentation and test equipment
Industrial process control
Automotive systems
Product Lifecycle
Currently active with no indication of near-term discontinuation
Long-term availability and support
Several Key Reasons to Choose This Product
Precision control with 256 resistance taps
Broad operating voltage range supporting diverse applications
Stable performance across extreme thermal conditions
Compact, reliable, and easy-to-mount package design
SPI compatibility enhancing ease of design and integration into existing digital systems