Overview
The LM2903AVQPWR is a dual voltage comparator integrated circuit produced by Texas Instruments. It is part of the LM2903 family, known for its wide range of operating voltages and low power consumption. This device is particularly suited for applications requiring high reliability and robust performance, including automotive and industrial environments. The LM2903AVQPWR is AEC-Q100 qualified, ensuring it meets stringent automotive standards.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2 | 36 | V | |
| Differential Input Voltage | -36 | 36 | V | |
| Input Voltage Range | -0.3 | 36 | V | |
| Input Offset Voltage | 1 | 7 | 15 | mV |
| Input Offset Current | 5 | 50 | 150 | nA |
| Input Bias Current | 25 | 250 | 400 | nA |
| Supply Current (all comparators) | 0.4 | 1 | 2.5 | mA |
| Operating Temperature Range | -40 | 125 | °C | |
| Output Voltage | 36 | V | ||
| Output Current | 20 | 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 current: ±5 nA typical.
- Input common-mode voltage range includes negative rail.
- Low output saturation voltage: 250 mV typical at 4 mA sink current.
- Differential input voltage range equal to the supply voltage.
- TTL, DTL, ECL, MOS, CMOS compatible outputs.
- AEC-Q100 qualified for automotive applications.
- Improved ESD performance: 2kV ESD protection.
- Lower propagation delay and improved switching characteristics.
Applications
- Automotive: HEV/EV and power train, infotainment and cluster, body control module.
- Industrial: Various industrial control and monitoring systems.
- Appliances: High-reliability applications in consumer and commercial appliances.
- General-purpose voltage comparison: In any system requiring reliable and low-power voltage comparison.
Q & A
- What is the supply voltage range of the LM2903AVQPWR?
The supply voltage range is from 2 V to 36 V, or ±1 V to ±18 V for dual supplies.
- What is the typical supply current of the LM2903AVQPWR?
The typical supply current is 0.4 mA, independent of the supply voltage.
- What is the input offset voltage of the LM2903AVQPWR?
The input offset voltage is typically 7 mV, with a maximum of 15 mV).
- Is the LM2903AVQPWR suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications).
- What are the output compatibility options for the LM2903AVQPWR?
The outputs are compatible with TTL, DTL, ECL, MOS, and CMOS logic).
- What is the maximum operating temperature of the LM2903AVQPWR?
The maximum operating temperature is 125°C, with some versions extending to 150°C).
- Can the inputs of the LM2903AVQPWR exceed the supply voltage?
Yes, the non-inverting input can exceed the supply voltage level without damage).
- What is the differential input voltage range of the LM2903AVQPWR?
The differential input voltage range is equal to the supply voltage).
- Does the LM2903AVQPWR have ESD protection?
Yes, it has improved ESD performance with 2kV ESD protection).
- What are the typical applications of the LM2903AVQPWR?
It is used in automotive, industrial, and appliance applications, as well as general-purpose voltage comparison).
