Overview
The LM2903VQPWR, produced by Texas Instruments, is a dual differential comparator designed for a wide range of applications, particularly in automotive and industrial sectors. This device is part of the LM2903 family, known for its low power consumption, high versatility, and robust performance. The LM2903VQPWR is AEC-Q100 qualified, ensuring it meets stringent automotive standards, and operates over a broad temperature range from -40°C to +125°C.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VS) | 2 | 36 | V | |
| Operating Free-Air Temperature Range | -40 | 125 | °C | |
| Input Offset Voltage (VIO) | 1 | 7 | 15 | mV |
| Input Offset Current (IIO) | 5 | 50 | 150 | nA |
| Input Bias Current (IIB) | -25 | -250 | -500 | nA |
| Common-Mode Input Voltage Range | 0 | VCC - 2 | V | |
| Large-Signal Differential Voltage Amplification (AVD) | 25 | 200 | V/mV | |
| Supply Current (ICC) | 0.4 | 1 | 2.5 | mA |
| Low-Level Output Voltage (VOL) | 150 | 400 | mV | |
| Low-Level Output Current (IOL) | 6 | mA |
Key Features
- Wide single supply voltage range or dual supplies: +2 V to +36 V or ±1 V to ±18 V
- Very low supply current: 0.4 mA independent of supply voltage
- Low input bias current: 25 nA typical
- Low input offset voltage: 1 to 7 mV
- Input common-mode voltage range includes negative rail
- Low output saturation voltage: 250 mV typical at 4 mA
- Differential input voltage range equal to the supply voltage
- TTL, DTL, ECL, MOS, CMOS compatible outputs
- AEC-Q100 qualified for automotive applications
- High ESD performance: up to 2 kV
Applications
- Automotive: HEV/EV and power train, infotainment and cluster, body control module
- Industrial: Various industrial control and monitoring systems
- Appliances: Used in consumer and commercial appliances requiring precise voltage comparison
Q & A
- What is the operating temperature range of the LM2903VQPWR?
The LM2903VQPWR operates over a temperature range of -40°C to +125°C.
- What is the supply voltage range for the LM2903VQPWR?
The device can operate from a single supply voltage of +2 V to +36 V or from dual supplies of ±1 V to ±18 V.
- What is the typical supply current of the LM2903VQPWR?
The typical supply current is 0.4 mA, independent of the supply voltage.
- Is the LM2903VQPWR compatible with various logic families?
Yes, it is compatible with TTL, DTL, ECL, MOS, and CMOS logic families.
- What is the input bias current of the LM2903VQPWR?
The input bias current is typically 25 nA.
- Can the LM2903VQPWR be used in automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications).
- What is the common-mode input voltage range of the LM2903VQPWR?
The common-mode input voltage range includes the negative rail and goes up to VCC - 2 V).
- How does the LM2903VQPWR handle ESD?
The device has improved ESD performance, up to 2 kV).
- What is the low-level output voltage of the LM2903VQPWR?
The low-level output voltage is typically 250 mV at 4 mA).
- Can the outputs of the LM2903VQPWR be connected to other open-collector outputs?
Yes, the outputs can be connected to other open-collector outputs).
