Overview
The LM2903VQPWRG4Q1 is a high-performance, automotive-grade dual comparator produced by Texas Instruments. It is part of the LM2903-Q1 and LM2903B-Q1 family, which are designed to provide outstanding value for cost-sensitive applications. These comparators are AEC-Q100 qualified, ensuring they meet stringent automotive standards. The LM2903B-Q1 device is the next generation version of the industry-standard LM2903-Q1 comparator family, offering improved specifications such as lower offset voltage, higher supply voltage capability, lower supply current, and enhanced ESD performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2 to 36 | V |
| Total Supply Current (typical per comparator) | 200 μA | A |
| Input Bias Current (typical) | 3.5 nA | A |
| Input Offset Current (typical) | 0.5 nA | A |
| Input Offset Voltage (typical) | ±0.37 mV | V |
| Common-Mode Input Voltage Range | Includes ground | V |
| Differential Input Voltage Range | Equal to maximum-rated supply voltage ±36 V | V |
| Operating Temperature Range | -40°C to +125°C (Grade 1), -40°C to +150°C (Grade 0) | °C |
| Package Types | SOIC, TSSOP, VSSOP, WSON, SOT-23 |
Key Features
- Qualified for automotive applications and AEC-Q100 certified.
- Operates over a wide range of supply voltages (2 V to 36 V) and can be used with single or dual supplies.
- Low supply current independent of supply voltage.
- Low input bias current and low input offset voltage.
- Improved 2kV HBM ESD performance for the 'B' device.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to the maximum-rated supply voltage.
- Output compatible with TTL, MOS, and CMOS.
- Functional Safety-Capable.
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.
Q & A
- What is the operating temperature range of the LM2903VQPWRG4Q1?
The operating temperature range is -40°C to +125°C for Grade 1 and -40°C to +150°C for Grade 0 devices.
- What are the supply voltage requirements for the LM2903VQPWRG4Q1?
The device operates over a supply voltage range of 2 V to 36 V.
- What is the typical supply current per comparator?
The typical supply current per comparator is 200 μA.
- Is the LM2903VQPWRG4Q1 compatible with TTL, MOS, and CMOS outputs?
- What are the common-mode and differential input voltage ranges?
The common-mode input voltage range includes ground, and the differential input voltage range is equal to the maximum-rated supply voltage ±36 V.
- What are the key improvements in the LM2903B-Q1 compared to the LM2903-Q1?
The LM2903B-Q1 offers lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, lower propagation delay, and improved 2kV ESD performance.
- What are the typical values for input bias current and input offset current?
The typical input bias current is 3.5 nA, and the typical input offset current is 0.5 nA.
- What is the typical input offset voltage?
The typical input offset voltage is ±0.37 mV.
- Is the LM2903VQPWRG4Q1 suitable for automotive applications?
- What package types are available for the LM2903VQPWRG4Q1?
The device is available in SOIC, TSSOP, VSSOP, WSON, and SOT-23 packages.
