Manufacturer Part Number
REF1933AIDDCR
Manufacturer
Texas Instruments
Introduction
Precision voltage reference module for power management applications
Product Features and Performance
Fixed 3.3V output voltage
Able to supply 20 mA current
Tight tolerance of ±0.1%
Low temperature coefficient at 25ppm/°C
Low noise between 0.1Hz to 10Hz at 12ppmp-p
Product Advantages
High output current capacity
Stable and precise voltage reference
Suited for extreme temperature environments
Key Technical Parameters
Output Voltage: 3.3V
Output Current: 20 mA
Tolerance: ±0.1%
Temperature Coefficient: 25ppm/°C
Input Voltage Range: 3.32V ~ 5.5V
Supply Current: 460µA
Operating Temperature Range: -40°C ~ 125°C
Quality and Safety Features
Robust operating temperature range
Compatibility
Compatible with various circuits needing a 3.3V reference
Application Areas
Power management
Data acquisition systems
Portable and battery-powered equipment
Analog-to-digital converters
Product Lifecycle
Active status with no indication of discontinuation
Available replacements or upgrades could exist
Several Key Reasons to Choose This Product
Ideal choice for applications requiring a stable reference voltage
Supports both existing and emerging power-sensitive applications
Ensures precision and reliability in a wide range of operating conditions
Minimal design adjustment needed for a broad input voltage range
Low power consumption suits battery-driven devices
Availability in standard SOT-23-5 package for easy integration into existing designs