Manufacturer Part Number
MAX5422ETA+T
Manufacturer
Analog Devices
Introduction
The MAX5422ETA+T is a digitally controlled potentiometer optimized for data acquisition and digital potentiometer applications.
Product Features and Performance
Linear taper configuration
One circuit configuration
256 tap positions
Non-volatile memory retains settings
SPI interface for digital control
Operational in a wide voltage range 2.7V to 5.25V
Designed for surface mount technology
Product Advantages
High resistance precision with 50k Ohms
Low temperature coefficient at 35ppm/°C for stable performance across temperature variances
Non-volatile memory avoids loss of settings on power down
Supports a wide range of supply voltages for versatile use
Key Technical Parameters
Number of Circuits: 1
Number of Taps: 256
Resistance: 50k Ohms
Supply Voltage: 2.7V ~ 5.25V
Temperature Coefficient: 35ppm/°C
Wiper Resistance (Typical): 325 Ohms
Quality and Safety Features
Operational across a wide temperature range from -40°C to 85°C for reliability in varying climates
Constructed in a durable 8-WDFN Exposed Pad package
Compatibility
SPI interface ensures compatibility with most microcontrollers for easy integration into existing systems
Application Areas
Precise adjustable control in audio processing
Voltage adjustment in power supplies
Calibration systems for precision sensors
Automotive electronics for customizable settings
Product Lifecycle
Status: Active, indicating ongoing production and availability
This device is not flagged as nearing discontinuation, ensuring long-term availability
Several Key Reasons to Choose This Product
Exceptional precision facilitated by 256 tap positions offers granular control
Non-volatile memory ensures device settings are preserved between power cycles
Broad voltage supply range (2.7V to 5.25V) provides flexibility in various application environments
A low temperature coefficient ensures stable performance across a range of operating temperatures making it an ideal choice for critical applications
SPI interface compatibility allows for easy integration into digital systems requiring precision control