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