Manufacturer Part Number
LM2903WYDT
Manufacturer
stmicroelectronics
Introduction
The LM2903WYDT from stmicroelectronics is a general-purpose linear comparator in the LM2903 series, designed for detecting and comparing voltages in electronic circuits. It's an integral component in automotive applications and other high-reliability environments.
Product Features and Performance
Dual comparator elements
Open-collector and rail-to-rail output type for flexible interfacing
Supports a wide voltage supply range from 2V up to 36V, or ±1V to ±18V in dual supply mode
Maximum input offset voltage of 7mV at 30V, ensuring precise operation
Low input bias current, max 0.25µA at 5V, minimizing power consumption
Typical output current of 20mA for driving connected devices directly
Maximum quiescent current of 2.5mA for efficient operation
Designed to function optimally in temperatures ranging from -40°C to 125°C
Product Advantages
Automotive grade with AEC-Q100 qualification indicates high reliability
Dual elements provide flexibility and save space over using two separate comparators
Wide voltage supply range makes it adaptable to various power environments
The low power consumption features make it suitable for battery-operated devices
Easy integration into circuits due to surface mount 8-SOIC package
Key Technical Parameters
Voltage Supply, Single/Dual (±): 2V ~ 36V, ±1V ~ 18V
Voltage Input Offset (Max): 7mV @ 30V
Current Input Bias (Max): 0.25µA @ 5V
Current Output (Typ): 20mA
Current Quiescent (Max): 2.5mA
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
AEC-Q100 qualification for automotive applications assures quality and reliability under harsh conditions.
Compatibility
The open-collector, rail-to-rail output type enhances compatibility with a wide range of digital and analog circuits.
Application Areas
Automotive systems
Battery monitoring
Voltage level detection and control
Power supply control
Window comparators
Product Lifecycle
Status: Active
This product is currently in active production with no indication of discontinuation, ensuring long-term availability and support. Replacements or upgrades have not been specified.
Several Key Reasons to Choose This Product
Dual comparator design offers systems with enhanced functionality while saving space.
Versatile voltage supply options cater to both low-voltage and higher-voltage systems.
Low power consumption is ideal for energy-sensitive applications.
Broad operating temperature range makes it suitable for extreme environmental conditions.
High reliability and quality assurance through automotive-grade qualification.