Overview
The LMV7275MFX/NOPB is a low-power, single-channel comparator manufactured by Texas Instruments (formerly National Semiconductor). Designed for applications requiring minimal power consumption and rail-to-rail input capabilities, this component is housed in a compact SOT23-5 package. It is ideal for low-voltage, space-constrained designs such as portable electronics, battery-powered devices, and industrial control systems. Its unique selling points include ultra-low power consumption, rail-to-rail input range, and an open-drain output that supports level-shifting applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 1.8 to 5.5 | V | Single or dual supply |
| Input Offset Voltage | 4 | mV | Max @ 5V |
| Input Bias Current | 0.01 | µA | Max @ 5V |
| Quiescent Current | 14 | µA | Max |
| Propagation Delay | 2.1 | µs | Max |
| CMRR / PSRR | 78 / 80 | dB | Typical |
| Operating Temperature | -40 to 85 | °C | |
| Package | SOT23-5 | Surface mount |
Key Features
- Ultra-low power consumption with a quiescent current of 14 µA (max).
- Rail-to-rail input range for versatile signal handling.
- Open-drain output supports level-shifting applications up to 5.5 V.
- Compact SOT23-5 package for space-constrained designs.
- Wide supply voltage range (1.8 V to 5.5 V) for flexibility in low-power applications.
Applications
The LMV7275MFX/NOPB is widely used in portable electronics, battery-powered devices, and industrial control systems. Its low power consumption and rail-to-rail input capabilities make it suitable for applications such as voltage monitoring, level detection, and signal conditioning in low-voltage environments. Additionally, its open-drain output is ideal for level-shifting in mixed-voltage systems.
Q & A
1. What is the supply voltage range of the LMV7275MFX/NOPB?
The supply voltage range is 1.8 V to 5.5 V, supporting both single and dual supply configurations.
2. What is the maximum input offset voltage?
The maximum input offset voltage is 4 mV at 5 V.
3. How much power does the LMV7275MFX/NOPB consume?
It consumes a maximum quiescent current of 14 µA.
4. What is the propagation delay of this comparator?
The maximum propagation delay is 2.1 µs.
5. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
6. What type of output does the LMV7275MFX/NOPB have?
It features an open-drain output, which supports level-shifting applications.
7. Is the LMV7275MFX/NOPB suitable for portable electronics?
Yes, its low power consumption and compact package make it ideal for portable electronics.
8. Can this comparator be used in industrial control systems?
Yes, its rail-to-rail input and wide supply voltage range make it suitable for industrial applications.
9. What is the CMRR and PSRR of the LMV7275MFX/NOPB?
The typical CMRR is 78 dB, and the typical PSRR is 80 dB.
10. What package does the LMV7275MFX/NOPB come in?
It is available in a SOT23-5 surface-mount package.
