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Product Detailed Parameters
- Description：IC COMPARATOR 2 DIFF 8TSSOP
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：-
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：2mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：16mA @ 5V
- Current - Quiescent (Max)：1.7mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：8-TSSOP (0.173", 4.40mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-TSSOP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The LM2903AQTH-13 is an automotive-compliant dual differential voltage comparator manufactured by Diodes Incorporated. It operates from a single supply of 2V to 36V or dual supplies of ±1V to ±18V. The device features a typical input offset voltage of 1mV and a maximum of 4mV across the full temperature range. Supply current is typically 0.6mA at 5V. It includes two comparators with open-collector outputs compatible with TTL, MOS, and CMOS logic. The component is qualified to AEC-Q100 Grade 1 standards.
Feature Summary
- Qualified to AEC-Q100 Grade 1 for automotive applications
- Low input offset voltage specification of 1mV typical
- Wide power supply range supporting single and split rails
- Output voltage compatible with TTL, MOS, and CMOS logic
Applications
- Automotive sensor signal conditioning
- Motor control systems
- Industrial process control circuits
Procurement Notes
Verify that the specific ordering suffix matches the required package type and tape-and-reel quantity. Confirm that the 'A' suffix indicates the low offset voltage variant and the 'Q' suffix confirms AEC-Q100 Grade 1 qualification. Ensure the TH suffix corresponds to the TSSOP-8 package format required for the design layout.
Selection Notes
Select this component when low input offset voltage is critical for precision comparison tasks in automotive environments. The A-suffix provides tighter offset specifications compared to standard variants. Verify that the TSSOP-8 package dimensions fit the PCB footprint constraints and that the thermal impedance characteristics are suitable for the expected ambient operating conditions.
Part Context
This part belongs to the LM2903Q/LM2903AQ series of dual differential comparators designed for wide voltage operation. It shares functional similarities with other industry-standard comparators but distinguishes itself through automotive qualification and low offset voltage performance. The series supports both single and dual power supply configurations.
Replacement Considerations
LM2903QS-13 (SO-8 package)
FAQ
What does the 'A' suffix indicate in the part number?
The 'A' suffix denotes a device with a lower typical input offset voltage of 1mV compared to the standard 2mV.
Is the output stage push-pull or open-collector?
The output stage is an uncommitted collector of a grounded-emitter NPN transistor, functioning as an open-collector output.
