REF3433SQDBVRQ1 - Texas Instruments

Manufacturer Part Number

REF3433SQDBVRQ1

Manufacturer

Texas Instruments

Introduction

The REF3433SQDBVRQ1 by Texas Instruments is a high-precision, low-power, series voltage reference, designed for use in power-sensitive and automotive applications.

Product Features and Performance

Fixed 3.3V output voltage with high accuracy

Low dropout voltage for improved performance under all operating conditions

±0.05% tolerance for reliable and consistent output

Low temperature coefficient (6ppm/°C) ensures stability across a wide temperature range

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

Operates over a wide input voltage range (3.8V ~ 12V)

Low current consumption (95µA), ideal for battery-powered devices

Product Advantages

Automotive grade and AEC-Q100 qualification highlight its reliability in harsh environments

High accuracy and low noise improve the performance of sensitive analog circuits

Wide operating temperature range (-40°C ~ 125°C) ensures functionality in extreme conditions

Low power consumption extends battery life in portable applications

Key Technical Parameters

Voltage Output (Min/Fixed): 3.3V

Current Output: 10 mA

Tolerance: ±0.05%

Temperature Coefficient: 6ppm/°C

Noise Levels: 5µVp-p (0.1Hz to 10Hz); 24µVrms (10Hz to 10kHz)

Voltage Input: 3.8V ~ 12V

Current Supply: 95µA

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Built-in thermal overload protection

Robust against voltage spikes and transients

Compatibility

Surface mount design (SOT-23-5 package) for easy integration into a variety of circuit boards

Compatible with a wide range of microcontrollers and analog circuits

Application Areas

Automotive electronics

Battery-powered devices

Portable medical instruments

Precision data acquisition systems

Industrial control systems

Product Lifecycle

Product Status: Active

Not nearing discontinuation, ensuring long-term availability

Support for replacements and upgrades available

Several Key Reasons to Choose This Product

Extremely accurate and stable output voltage improves system performance

Low power consumption ideal for portable and automotive applications

Reliable operation in a wide range of environmental conditions

AEC-Q100 qualification ensures automotive-grade reliability

Low noise characteristic enhances the performance of precision analog circuits