TL391BIDBVR - Texas Instruments

Manufacturer Part Number

TL391BIDBVR

Manufacturer

Texas Instruments

Introduction

TL391BIDBVR is a general purpose linear comparator from Texas Instruments, designed for various applications requiring voltage or current sensing.

Product Features and Performance

Single element comparator

Open-Collector, Rail-to-Rail output type

Supports wide voltage supply from 3V to 36V

Fast propagation delay of up to 1µs

Operates in temperatures from -40°C to 125°C

Small SOT-23-5 package suitable for space-saving designs

Product Advantages

Low input offset voltage of maximum 2.5mV at 36V

Extremely low input bias current, max 0.025µA at 5V

High output current capability, 18mA at 5V

Low quiescent current up to 430µA

Robust performance in extended temperatures

Key Technical Parameters

Voltage - Supply, Single/Dual (±): 3V ~ 36V

Voltage - Input Offset (Max): 2.5mV at 36V

Current - Input Bias (Max): 0.025µA at 5V

Current - Output (Typ): 18mA at 5V

Current - Quiescent (Max): 430µA

Propagation Delay (Max): 1µs (Typ)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Designed to meet rigorous industrial standards

Operates reliably over a wide range of temperatures

Compatibility

Compatible with a variety of sensors and input signal types due to its flexible voltage requirements and input characteristics

Application Areas

Industrial controls

Automotive systems

Data logging systems

Alarm systems

Voltage monitoring

Product Lifecycle

Currently active

No imminent discontinuation

Replacements and upgrades available as newer models in Texas Instruments’ comparator lineup

Several Key Reasons to Choose This Product

Reliable performance in diverse and extreme temperatures

Low power consumption ideal for portable and battery-operated devices

High output current suitable for driving multiple loads

Precision sensing with low input offset and bias currents

Available in a compact SOT-23-5 package, perfect for space-constrained applications