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Product Detailed Parameters
- Description：IC COMPARATOR 2 DIFF 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：Open-Collector, Rail-to-Rail
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：7mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：2.5mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The LM2903VQDRG4Q1 is a dual differential voltage-enhanced comparator from Texas Instruments, designed for automotive applications. It operates within a supply voltage range of 2 V to 36 V and features an open-drain output configuration. The device supports single or dual power supplies and includes two independent channels in an 8-pin SOIC package. It is qualified to AEC-Q100 standards and functions reliably across an extended temperature range from -40°C to +125°C.
Feature Summary
- Voltage-enhanced architecture providing improved performance over standard comparators
- AEC-Q100 qualified for automotive reliability requirements
- Open-drain outputs compatible with various logic families
- Extended industrial and automotive temperature operation
Applications
- Automotive sensor signal conditioning
- Temperature monitoring circuits
- Current sensing interfaces
- Window comparator configurations
Procurement Notes
Verify the specific suffix G4 indicates lead-free and RoHS compliance status as per manufacturer documentation. Confirm the Q1 designation aligns with required automotive qualification levels for your application. Ensure the SOIC-8 package dimensions match your PCB footprint constraints. Cross-reference the datasheet revision date to ensure compatibility with latest electrical specifications.
Selection Notes
Select this component when automotive-grade reliability is required alongside enhanced voltage performance characteristics. The open-drain output necessitates external pull-up resistors for proper logic level translation. Consider the input offset voltage and response time specifications against your signal integrity requirements. Verify that the 36 V maximum supply voltage accommodates your system's peak operating conditions.
Part Context
This part belongs to the LM2903-Q1 family of dual differential comparators. It represents the voltage-enhanced variant (V) within the automotive qualified lineup. The G4 suffix typically denotes environmental enhancements such as lead-free packaging. It serves as a specialized alternative to standard commercial comparators in demanding automotive environments.
Replacement Considerations
- LM2903AVQDRG4Q1
- LM2903QDRG4Q1
