Overview
The LMV331IDBVRG4, produced by Texas Instruments, is a single general-purpose low-voltage comparator. It is part of the LMV331 family, which includes single, dual, and quad comparator versions. This device is designed to operate at low voltages, making it suitable for a wide range of applications, particularly in low-power and portable electronics. The LMV331 comparator is known for its low supply current, wide input common-mode voltage range, and fast response time, making it a versatile component in various electronic systems.
Key Specifications
| Parameter | Test Conditions | Typical Value | Unit |
|---|---|---|---|
| Supply Voltage (VCC+) | 2.7 V to 5.5 V | - | V |
| Input Offset Voltage (VIO) | VCC+ = 2.7 V, 25°C | 7 mV | mV |
| Input Bias Current (IIB) | VCC+ = 2.7 V, 25°C | 250 nA | nA |
| Input Offset Current (IIO) | VCC+ = 2.7 V, 25°C | 50 nA | nA |
| Common-Mode Input Voltage Range (VICR) | VCC+ = 2.7 V, 25°C | -0.1 to 2 V | V |
| Output Saturation Voltage (VSAT) | VCC+ = 2.7 V, IO ≤ 1.5 mA | 200 mV | mV |
| Propagation Delay | VCC+ = 5 V, VO = 1.5 V | 200 ns | ns |
| Supply Current (ICC) | VCC+ = 2.7 V, 25°C | 100 μA | μA |
Key Features
- Low Supply Current: The LMV331 has a typical supply current of 100 μA at 2.7 V, making it energy-efficient.
- Wide Input Common-Mode Voltage Range: The input common-mode voltage range includes ground, allowing for versatile application scenarios.
- Low Output Saturation Voltage: The output saturation voltage is typically 200 mV, which is beneficial for low-voltage applications.
- Open-Collector Output: This feature allows for maximum flexibility in output configuration and can be used to enable AND functionality.
- Fast Response Time: The propagation delay is typically 200 ns, ensuring quick response times in various applications.
- ESD Tolerance: The device has an ESD tolerance of 2 kV HBM / 200 V MM, enhancing its reliability.
Applications
- Hysteresis Comparators: The LMV331 can be used to create hysteresis comparators for stable switching thresholds.
- Oscillators: It can be employed in oscillator circuits due to its fast response time and low power consumption.
- Window Comparators: The device is suitable for window comparator applications where precise voltage monitoring is required.
- Industrial Equipment: It is used in various industrial equipment due to its robustness and reliability.
- Test and Measurement: The LMV331 is often used in test and measurement equipment for its precision and low power requirements).
- Mobile Phones and Portable Devices: Its low voltage and low current characteristics make it ideal for mobile phones, notebooks, and other battery-supplied electronics).
Q & A
- What is the typical supply voltage range for the LMV331?
The LMV331 operates from 2.7 V to 5.5 V.
- What is the typical supply current of the LMV331 at 2.7 V?
The typical supply current is 100 μA at 2.7 V.
- What is the input common-mode voltage range of the LMV331?
The input common-mode voltage range includes ground and extends up to 2 V.
- What is the output saturation voltage of the LMV331?
The output saturation voltage is typically 200 mV.
- What is the propagation delay of the LMV331?
The propagation delay is typically 200 ns.
- Does the LMV331 have ESD protection?
Yes, the LMV331 has an ESD tolerance of 2 kV HBM / 200 V MM.
- What are some common applications of the LMV331?
Common applications include hysteresis comparators, oscillators, window comparators, industrial equipment, and test and measurement equipment.
- Can the LMV331 be used in portable electronics?
Yes, it is suitable for mobile phones, notebooks, and other battery-supplied electronics due to its low voltage and low current characteristics.
- What is the temperature range for the LMV331?
The operating temperature range is from -40°C to +125°C.
- What type of output does the LMV331 have?
The LMV331 has an open-collector output, allowing for maximum flexibility in output configuration.
