Overview
The LMV551MG is a low-power operational amplifier (op-amp) manufactured by National Semiconductor, now part of Texas Instruments. This device is designed for applications requiring high performance with minimal power consumption. It is part of the LMV55x series, which is known for its rail-to-rail output and low quiescent current. The LMV551MG is particularly suited for portable and battery-powered devices due to its efficient power usage and compact SC-70-5 package.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 5.5 | V | |
| Quiescent Current | 37 | µA | |
| Gain Bandwidth Product | 3 | MHz | |
| Slew Rate | 1 | V/µs | |
| Output Current | 25 | mA | |
| Operating Temperature | -40 to 125 | °C | |
| Package | SC-70-5 | Also known as SOT-353 |
Key Features
- Rail-to-rail output for maximum dynamic range.
- Low quiescent current of 37 µA, ideal for battery-powered applications.
- Wide supply voltage range from 2.7 V to 5.5 V.
- High gain bandwidth product of 3 MHz for enhanced signal fidelity.
- Compact SC-70-5 package, suitable for space-constrained applications.
Applications
The LMV551MG is widely used in various electronic devices, particularly those requiring efficient power management and compact size. Its applications include:
- Portable and battery-powered devices such as smartphones and tablets.
- Sensor interfaces in automotive and industrial systems.
- Active filters and signal conditioning circuits in consumer electronics.
- Medical devices where low power consumption is critical.
Q & A
What is the operating voltage range of the LMV551MG?
The LMV551MG operates within a supply voltage range of 2.7 V to 5.5 V.
What is the typical quiescent current of the LMV551MG?
The typical quiescent current is 37 µA.
What package does the LMV551MG come in?
It comes in an SC-70-5 package, also known as SOT-353.
Can the LMV551MG be used in automotive applications?
Yes, it is suitable for automotive applications due to its wide temperature range and robust performance.
What is the gain bandwidth product of the LMV551MG?
The gain bandwidth product is 3 MHz.
Is the LMV551MG suitable for portable devices?
Yes, its low quiescent current and compact size make it ideal for portable devices.
What is the output current capability of the LMV551MG?
It can deliver up to 25 mA of output current.
What is the slew rate of the LMV551MG?
The slew rate is 1 V/µs.
Can the LMV551MG operate in extreme temperatures?
Yes, it operates reliably from -40°C to 125°C.
What are the key features of the LMV551MG?
Key features include rail-to-rail output, low power consumption, wide supply voltage range, and high gain bandwidth product.
