Manufacturer Part Number
REF1933AIDDCT
Manufacturer
Texas Instruments
Introduction
The REF1933AIDDCT is a high-precision, low-power, series voltage reference from Texas Instruments designed for power management applications.
Product Features and Performance
High accuracy voltage reference at 3.3V
Stable output current of 20 mA
Excellent temperature stability with a coefficient of 25ppm/°C
Low dropout voltage
Low noise performance of 12ppmp-p between 0.1Hz to 10Hz
Product Advantages
Precision output tolerances within ±0.1%
Operates over a wide input voltage range from 3.32V to 5.5V
Suitable for battery-powered applications with low supply current draw of 460µA
Key Technical Parameters
Output Voltage: 3.3V (Min/Fixed)
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
Built-in thermal and overload protection
Reliability across the -40°C to 125°C temperature range
Compatibility
Compatible with various surface mount techniques
Available in SOT-23-5 Thin, TSOT-23-5 packages
Application Areas
Power management in consumer electronics
Precision voltage regulation in industrial equipment
Portable battery-powered devices
Data acquisition systems
Microprocessor and FPGA power supplies
Product Lifecycle
Product Status: Active
No impending discontinuation announced
Options for upgrades or replacements present in Texas Instruments' voltage reference portfolio
Several Key Reasons to Choose This Product
High-precision reference voltage improves system accuracy
Low temperature coefficient assures performance stability over temperature
Low noise amplifies system signal integrity
A wide range of applications due to versatile operating conditions
Reliable power management component from an industry-leading manufacturer
Active product status ensures long-term availability and support