Manufacturer Part Number
ADR443BRZ
Manufacturer
Analog Devices
Introduction
The ADR443BRZ is a part of the XFET® series voltage references, providing high stability and low noise voltage output in a surface-mount package format.
Product Features and Performance
XFET® technology for low noise performance
Fixed voltage output of 3V
Output current capability of 10 mA
Low temperature coefficient at 3ppm/°C
Very low output noise of 1.4µVp-p from 0.1Hz to 10Hz
Wide input voltage range from 3.5V to 18V
Stable operation from -40°C to +125°C
Product Advantages
Precision voltage output with ±0.04% tolerance
Improved long-term stability and reliability
Suitable for temperature sensitive applications due to low temperature coefficient
Key Technical Parameters
Output Voltage: 3V (Fixed)
Output Current: 10 mA
Tolerance: ±0.04%
Temperature Coefficient: 3ppm/°C
Noise Level: 1.4µVp-p from 0.1Hz to 10Hz
Input Voltage Range: 3.5V ~ 18V
Supply Current: 3.75mA
Operating Temperature Range: -40°C ~ 125°C
Quality and Safety Features
Built-in thermal and overload protection
Operates stably within industry-standard temperature and electrical ranges
Compatibility
Compatible with 8-SOIC surface mount packaging
Interchangeable with ADR443 and other devices from the XFET series
Application Areas
Precision data acquisition systems
High-performance audio equipment
Industrial automation
Medical equipment calibration
Communication systems
Product Lifecycle
Currently active status
Not nearing discontinuation
Availability of replacements or upgrades for similar voltage reference designs
Several Key Reasons to Choose This Product
Exceptional noise performance ideal for sensitive electronic applications
Highly stable output with advanced XFET technology
Broad input range and low supply current facilitating diverse application suitability
Reliable performance over a wide range of temperatures and operating conditions
Strong compatibility and interchangeability with similar devices in the market