Manufacturer Part Number
REF2940AIDBZRG4
Manufacturer
Texas Instruments
Introduction
Low-dropout voltage reference IC with fixed 4.096V output for precision applications.
Product Features and Performance
High-precision series voltage reference
Output voltage of 4.096V
Output current capability of 25 mA
Tolerance of ±2%
Low temperature coefficient of 100ppm/°C
Low noise 45µVp-p from 0.1Hz to 10Hz and 128µVrms from 10Hz to 10kHz
Wide input voltage range from 4.146V to 5.5V
Low supply current of 59µA
Operating temperature range from -40°C to +125°C
Surface mount package
Product Advantages
Stable and accurate output voltage
Low noise performance ideal for sensitive electronics
Minimal power consumption due to low supply current
Robust operation in wide temperature environments
Key Technical Parameters
Output Voltage: 4.096V (Fixed)
Output Current: 25 mA
Tolerance: ±2%
Temperature Coefficient: 100ppm/°C
Low Noise
Input Voltage: 4.146V ~ 5.5V
Supply Current: 59µA
Operating Temperature: -40°C ~ 125°C (TA)
Quality and Safety Features
Precise voltage regulation for quality performance
High-temperature operational reliability
Consistent output across temperature variations
Compatibility
Surface Mount Technology compatible
Compatible with a wide range of microcontrollers and ADCs requiring precise voltage references
Application Areas
Power management in precision electronics
Data acquisition systems
Portable and battery-powered equipment
Industrial automation
Test and measurement equipment
Product Lifecycle
Discontinued at Digi-Key
Potential availability through other distributors or direct from Texas Instruments
May require evaluation for alternative parts for new designs
Several Key Reasons to Choose This Product
Precise and stable reference for critical applications
Low power consumption for efficient energy use
Low noise output suitable for sensitive electronic systems
Robust performance in extreme temperatures
Widespread compatibility with electronic components
Suitable for various industrial and commercial applications
REF298BURR-BROWN