REF3433IDBVR - Texas Instruments

Manufacturer Part Number

REF3433IDBVR

Manufacturer

Texas Instruments

Introduction

Precision low-power fixed 3.3V output voltage reference in a SOT-23 package.

Product Features and Performance

Series reference with stable fixed 3.3V output

Suitable for high-accuracy applications with ±0.05% tolerance

Low temperature coefficient at 6ppm/°C for consistent performance

Low noise specifications with 5µVp-p (0.1Hz to 10Hz) and 24µVrms (10Hz to 10kHz)

Minimal current supply need at 95µA

Wide input voltage range from 3.8V to 12V

Capable of driving 10 mA output current

Operates across an extensive temperature range from -40°C to 125°C

Product Advantages

Exceptional voltage precision for critical applications

Highly stable under changing temperature conditions

Energy-efficient for battery-powered devices

Low-noise operation ideal for sensitive electronics

Long operating life suitable for industrial environments

Compact surface-mount form factor for dense PCB layouts

Key Technical Parameters

Fixed Output Voltage: 3.3V

Output Current Capability: 10 mA

Input Voltage Range: 3.8V to 12V

Low Tolerance: ±0.05%

Temperature Coefficient: 6ppm/°C

Low Noise Levels: 5µVp-p and 24µVrms

Supply Current: 95µA

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Stringent manufacturing standards ensure high-reliability

Conforms with Texas Instruments' quality management processes

Compatibility

Compatible with a wide range of microcontrollers and digital systems

Surface mount SOT-23 packaging fits standard PCB layouts

Application Areas

Precision power supply control

Data acquisition systems

Portable medical devices

Industrial instrumentation

High-performance ADCs/DACs

Automotive electronics

Product Lifecycle

Current status is Active

Not indicated to be nearing discontinuation

Tooling and future upgrades typically available

Several Key Reasons to Choose This Product

High precision voltage regulation for sensitive applications

Supports wide operating temperature range for harsh environments

Ultra-low power consumption extends battery life for portable devices

Low-noise output beneficial for high-fidelity and precision electronic systems

Robust design and reliable performance from a respected manufacturer

Simple integration with a variety of electronic systems due to the standard SOT-23-6 package