Manufacturer Part Number
AD5291BRUZ-20
Manufacturer
analog-devices
Introduction
The AD5291BRUZ-20 is a digital potentiometer part of the Data Acquisition category, designed for applications requiring variable resistance settings. It combines advanced digital technology with high-quality analog design.
Product Features and Performance
Linear taper configuration for precise adjustment
Single circuit with 256 resistance taps for fine resolution
20k Ohms resistance with SPI interface for easy digital control
Non-Volatile memory retains settings without power
Operates over a wide voltage range of 9V ~ 33V, ±9V ~ 16.5V
Features a cascade pin to expand control for multi-device applications
Low temperature coefficient of 35ppm/°C ensures stability
Surface Mount, 14-TSSOP package for compact integration
Product Advantages
High resolution and precision with 256 positions
Non-Volatile memory enhances reliability
Wide voltage supply range increases versatility
Low temperature coefficient improves performance stability
Cascade feature for scalability in complex systems
Key Technical Parameters
256 taps for fine resolution
20k Ohms total resistance
SPI interface for digital control
Voltage supply range: 9V ~ 33V, ±9V ~ 16.5V
Tolerance: ±1%
Temperature coefficient: 35ppm/°C
Operating Temperature: -40°C ~ 105°C
Quality and Safety Features
Designed to meet stringent quality and safety standards
Robust operation within specified temperature ranges
Compatibility
SPI interface ensures compatibility with a wide range of microcontrollers
Application Areas
Adjustable power supplies
LCD screen brightness and contrast settings
Automotive electronics adjustment
Audio equipment tuning
Product Lifecycle
Active status, not nearing discontinuation
Availability of replacements or upgrades upon eventual discontinuation
Several Key Reasons to Choose This Product
High-resolution adjustment for precision applications
Reliable non-volatile memory retains settings
Wide operating voltage and temperature range for versatile use
Cascade feature enables use in complex multi-device applications
Low temperature coefficient for stable operation