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Product Detailed Parameters
- Description：IC COMPARATOR 2 DIFF TSOT23-8
- 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
- Voltage - Input Offset (Max)：2.5mV @ 5V
- Current - Input Bias (Max)：0.025µA @ 5V
- Current - Output (Typ)：21mA @ 5V
- Current - Quiescent (Max)：600µA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：1µs (Typ)
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Package / Case：SOT-23-8 Thin, TSOT-23-8
- Mounting Type：Surface Mount
- Supplier Device Package：TSOT-23-8
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The LM2903BQDDFRQ1 is an automotive-grade dual differential comparator from the LM2903B-Q1 family, manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 36V and supports ambient temperatures from -40°C to +125°C. Key electrical specifications include a typical quiescent current of 600µA, input offset voltage of ±0.37mV, and propagation delay of 300ns. The device features open-drain outputs and is housed in an SOT-23-8 package.
Feature Summary
- Qualified for automotive applications with AEC-Q100 Grade 1 certification
- Improved electrostatic discharge protection with 2kV HBM rating
- Low power consumption with supply current independent of voltage
- Differential input voltage range matches maximum rated supply voltage
Applications
- HEV/EV and power train systems
- Infotainment and cluster modules
- Body control modules
Procurement Notes
Verify the specific suffix DDFFR against the manufacturer's official orderable addendum to confirm the exact package type (SOT-23) and temperature grade. Ensure the component meets the required AEC-Q100 Grade 1 standards for your specific application environment before finalizing procurement.
Selection Notes
Select this component when drop-in replacement convenience is required alongside improved ESD performance and lower offset voltage compared to standard versions. It is suitable for cost-sensitive designs needing wide supply voltage operation up to 36V and low input bias current characteristics.
Part Context
This part belongs to the LM2903-Q1 family, representing the next-generation 'B' version. It offers enhanced specifications including lower offset voltage, higher supply voltage capability, and faster response times while maintaining compatibility with existing designs.
Replacement Considerations
LM2903BQDRQ1
FAQ
What is the ESD classification level for this device?
The device has a Human Body Model (HBM) classification level of H1C and a Charged Device Model (CDM) classification level of C4B.
Can the inputs exceed the supply voltage?
Yes, the differential input voltage range is equal to the maximum-rated supply voltage, allowing inputs to reach 36V without damage.
