LMV7275MGX

Product Overview

Category: Integrated Circuit (IC)

Use: LMV7275MGX is a low voltage, low power operational amplifier designed for general-purpose applications. It is commonly used in audio amplification, sensor signal conditioning, and other low-power analog signal processing circuits.

Characteristics: - Low voltage operation: LMV7275MGX operates at a supply voltage as low as 1.8V, making it suitable for battery-powered devices. - Low power consumption: It consumes very low quiescent current, extending the battery life of portable devices. - Rail-to-rail input and output: The operational amplifier can accept and deliver signals close to the supply rails, maximizing the dynamic range. - Small package size: LMV7275MGX is available in a small SOT-23 package, allowing for space-efficient designs. - High gain bandwidth product: It offers a high gain bandwidth product of 3 MHz, enabling accurate amplification of high-frequency signals.

Package and Quantity: LMV7275MGX is packaged in a SOT-23-5 package. Each package contains one LMV7275MGX operational amplifier.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Quiescent Current: 20 µA
• Gain Bandwidth Product: 3 MHz
• Input Offset Voltage: 1 mV
• Input Bias Current: 0.2 pA
• Output Voltage Swing: Rail-to-Rail
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

LMV7275MGX has a standard pin configuration with five pins:

___________ V+ --| |-- OUT IN+ --| |-- V- IN- --| | GND --| | |___________|

Functional Features

1. Low voltage operation: LMV7275MGX can operate at a supply voltage as low as 1.8V, making it suitable for low-power applications.
2. Rail-to-rail input and output: The operational amplifier can accept and deliver signals close to the supply rails, maximizing the dynamic range.
3. Low power consumption: LMV7275MGX consumes very low quiescent current, extending battery life in portable devices.
4. High gain bandwidth product: It offers a high gain bandwidth product of 3 MHz, enabling accurate amplification of high-frequency signals.
5. Small package size: LMV7275MGX is available in a compact SOT-23 package, allowing for space-efficient designs.

Advantages and Disadvantages

Advantages: - Low voltage operation extends battery life. - Rail-to-rail input and output capability maximizes signal range. - Low power consumption is ideal for portable devices. - High gain bandwidth product enables accurate amplification of high-frequency signals. - Compact package size allows for space-efficient designs.

Disadvantages: - Limited number of pins may restrict complex circuit integration. - Not suitable for high-voltage applications.

Working Principles

LMV7275MGX is an operational amplifier that amplifies the difference between its two input terminals. It operates by using a differential amplifier configuration with negative feedback. The input signal is amplified and delivered at the output terminal while maintaining a stable gain determined by external resistors.

Application Field Plans

LMV7275MGX finds applications in various fields, including: 1. Audio amplification: It can be used in portable audio devices, headphones, and small speakers. 2. Sensor signal conditioning: LMV7275MGX can amplify and condition signals from sensors such as temperature sensors, pressure sensors, and light sensors. 3. Battery-powered devices: Due to its low voltage operation and low power consumption, it is suitable for battery-powered applications like portable medical devices, remote controls, and wearable devices.

Alternative Models

1. LMV7271: Single operational amplifier with similar specifications.
2. LMV7272: Dual operational amplifier with similar specifications.
3. LMV7274: Quad operational amplifier with similar specifications.

These alternative models provide options for different circuit requirements while maintaining similar performance characteristics.

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