Manufacturer Part Number
REF3133AIDBZR
Manufacturer
Texas Instruments
Introduction
The REF3133AIDBZR is a low-noise, high-precision voltage reference from Texas Instruments, designed primarily for power management applications within integrated circuits.
Product Features and Performance
Fixed 3.3V output voltage
10 mA output current capability
Low temperature coefficient (20ppm/°C)
Excellent noise performance (43µVp-p from 0.1Hz to 10Hz, 63µVrms from 10Hz to 10kHz)
Wide input voltage range (3.35V ~ 5.5V)
Low supply current (135µA)
Operates within temperature range of -40°C ~ 125°C
Product Advantages
High accuracy and low drift enhance system reliability
Very low noise output suitable for sensitive applications
Minimal power consumption
Key Technical Parameters
Output Voltage: 3.3V
Tolerance: ±0.2%
Temperature Coefficient: 20ppm/°C
Noise: 43µVp-p (0.1Hz to 10Hz), 63µVrms (10Hz to 10kHz)
Input Voltage: 3.35V ~ 5.5V
Supply Current: 135µA
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Robust operation within extended temperature ranges
High stability and reliability for critical applications
Compatibility
Compatible with various microcontrollers and digital systems requiring a stable reference voltage
Surface mount package (SOT-23-3) fits compact board designs
Application Areas
Medical devices
Precision instrumentation
Portable devices and battery-powered equipment
Data acquisition systems
Product Lifecycle
Currently active product status
Not nearing discontinuation, with ongoing support and availability
Several Key Reasons to Choose This Product
Exceptional voltage accuracy and stability for high-performance devices
Superior noise specifications ideal for noise-sensitive applications
Low power usage extending battery life in portable setups
Broad compatibility and easy integration into existing designs
REF3130AIDBZTexas Instruments