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The LM2903-Q1 dual differential comparator contains two independent voltage comparators which can be operated from a single supply over a wide voltage range. They can also be operated from dual supplies if the voltage difference between the two supplies is between 2V and 36V and VCC is at least 1.5V higher than the input common mode voltage. The current consumption is not affected by the supply voltage. Outputs can be connected to other open collector outputs for wired AND correlation.

The LM2903-Q1 complies with the AEC-Q100 Class 1 temperature range of -40°C to +125°C.

Features

- Meets the requirements of automotive applications

- Has the following characteristics in accordance with AEC-Q100:

- Device temperature class 1: ambient operating temperature range of -40°C to 125°C

- Device HBM ESD classification class H1C

- Device CDM ESD classification class C4B

- Improved 2kV HBM ESD for "B" devices

- Tri-Temp testing available for 'B' devices

- Single or dual supply

- Low supply current independent of supply voltage: 200uA (typical) per comparator ("B" version)

- Low input bias current: 3.5nA (typ.) ("B" devices)

- Low input detuning current: 0.5nA (typical) ("B" devices)

- Low input detuning voltage: ±0.37mV (typical) ("B" devices)

- Common mode input voltage range including ground

- Differential input voltage range equal to maximum rated supply voltage: ±36V

- Outputs are compatible with TTL, MOS and CMOS

- Provides functional safety

- Documentation to assist with functional safety system design

Applications

- Automotive

- HEV/EV and powertrain

- Infotainment systems and instrument clusters

- Body control modules

- Industrial

- Electrical

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