Overview
The LM2903VQDRQ1 is a dual voltage comparator from Texas Instruments, part of the LM2903-Q1 family. This device is designed to operate over a wide range of supply voltages and is particularly suited for applications requiring high reliability and versatility. The LM2903VQDRQ1 is AEC-Q100 qualified, ensuring it meets stringent automotive and industrial standards. It features two independent voltage comparators with open-drain outputs, allowing for flexible configuration and use in various logic circuits.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage Range | 2 to 36 | V |
| Total Supply Current (at 5 V) | Typically 140 μA | μA |
| Input Bias Current | Typically 25 nA | nA |
| Propagation Delay | Typically 1.3 μs | μs |
| Input Common Mode Voltage Range | 0 to VCC - 1.5 V | V |
| Operating Temperature Range | -40°C to +125°C (Grade 1), -40°C to +150°C (Grade 0) | °C |
| Package Types | SOIC (8), TSSOP (8), VSSOP (8), WSON (8), SOT-23 (8) | |
| Body Size (Nominal) | Varies by package (e.g., VSSOP: 3.00 mm x 3.00 mm) | mm |
Key Features
- Wide Supply Voltage Range: Operates from 2 V to 36 V, making it versatile for various applications.
- Low Supply Current: Typically 140 μA at 5 V, which is beneficial for power-sensitive designs.
- Low Input Bias Current: Minimizes the impact on the input signal, ensuring accurate comparisons.
- Fast Response Time: Propagation delay of typically 1.3 μs, suitable for high-speed applications.
- Open-Drain Outputs: Allows for wired-AND relationships and flexible output configuration.
- AEC-Q100 Qualified: Meets automotive standards for reliability and temperature range (-40°C to +125°C or +150°C).
- High ESD Performance: 2 kV ESD protection enhances reliability in harsh environments.
Applications
- Automotive: HEV/EV and power train, infotainment and cluster, body control modules.
- Industrial: Various industrial control and monitoring systems.
- Appliances: Used in consumer and commercial appliances requiring reliable voltage comparison.
- Level Shifting: Ideal for level shifting to higher or lower voltage levels due to its wide supply range.
Q & A
- What is the supply voltage range of the LM2903VQDRQ1?
The LM2903VQDRQ1 operates over a supply voltage range of 2 V to 36 V.
- What is the typical supply current of the LM2903VQDRQ1 at 5 V?
The typical supply current is 140 μA at 5 V.
- What is the input bias current of the LM2903VQDRQ1?
The input bias current is typically 25 nA.
- What is the propagation delay of the LM2903VQDRQ1?
The propagation delay is typically 1.3 μs.
- What are the operating temperature ranges for the LM2903VQDRQ1?
The device operates from -40°C to +125°C (Grade 1) and -40°C to +150°C (Grade 0).
- What types of packages are available for the LM2903VQDRQ1?
The device is available in SOIC (8), TSSOP (8), VSSOP (8), WSON (8), and SOT-23 (8) packages.
- What is the significance of AEC-Q100 qualification for the LM2903VQDRQ1?
AEC-Q100 qualification ensures the device meets stringent automotive standards for reliability and performance.
- Can the outputs of the LM2903VQDRQ1 be connected to other open-collector outputs?
- What are some common applications of the LM2903VQDRQ1?
- How does the LM2903VQDRQ1 handle ESD protection?
