Manufacturer Part Number
ADR431BR
Manufacturer
Analog Devices
Introduction
The ADR431BR is a precision series voltage reference in Analog Devices' XFET lineup, designed for power management applications requiring low noise and high accuracy.
Product Features and Performance
XFET technology for low noise and high accuracy
Fixed 2.5V output voltage
Robust output current capability of 30 mA
Excellent tolerance of ±0.04%
Stable temperature coefficient at 3ppm/°C
Low noise performance of 3.5µVp-p (0.1Hz to 10Hz)
Wide input voltage range from 4.5V to 18V
Supply current of 800µA for efficient operation
Suitable for operating temperatures ranging from -40°C to 125°C
Product Advantages
High precision voltage for critical applications
Low temperature drift enhances consistency across temperature variations
Minimal output noise ensures reliable performance in sensitive electronics
Wide operating voltage range offers flexibility in various power supply designs
Scalable output current for diverse load conditions
Key Technical Parameters
Voltage Output (Min/Fixed): 2.5V
Current Output: 30 mA
Tolerance: ±0.04%
Temperature Coefficient: 3ppm/°C
Noise 0.1Hz to 10Hz: 3.5µVp-p
Voltage Input: 4.5V ~ 18V
Current Supply: 800µA
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Precision voltage reference ensures high-reliability performance
Built-in thermal protection for safety across operation temperature ranges
Compatibility
8-SOIC package compatible with common surface mount techniques
Suitable for use in various electronic circuit designs
Application Areas
Precision data converters
Portable instrumentation
Medical devices
Industrial automation tools
High-end audio equipment
Product Lifecycle
Product Status: Obsolete
Potential for replacement or upgrade products as technology advances
Several Key Reasons to Choose This Product
Confidence in a high-precision and low-noise voltage reference
Assurance in performance with tight tolerance and low temperature drift
Adaptability for use in a wide array of applications and industries
Commitment to quality from a leading semiconductor manufacturer, Analog Devices
Compatibility with surface mount technology simplifies the design-in process
