LMV7291MG

Product Overview

Category: Integrated Circuit (IC)

Use: LMV7291MG is a low voltage, low power operational amplifier designed for general-purpose applications.

Characteristics: - Low voltage operation: 2.7V to 5.5V - Low power consumption: 0.6mA at 5V supply voltage - Rail-to-rail input and output swing - Unity-gain stable - Wide bandwidth: 10MHz - Low input offset voltage: ±1mV - Small package size: SOT-23-5

Package: The LMV7291MG is available in a small outline transistor (SOT) package with five pins.

Essence: The LMV7291MG is an essential component in electronic circuits that require amplification of signals with low power consumption and wide bandwidth.

Packaging/Quantity: The LMV7291MG is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±1mV
• Input Bias Current: 100nA
• Gain Bandwidth Product: 10MHz
• Slew Rate: 3V/µs
• Output Current: 30mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMV7291MG has the following pin configuration:

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| | --| IN- VCC |-- --| IN+ OUT |-- --| GND NC |-- |___________| ```

Pin Description: - IN-: Inverting input - IN+: Non-inverting input - VCC: Positive supply voltage - OUT: Output - GND: Ground - NC: No connection

Functional Features

1. Low Voltage Operation: The LMV7291MG can operate at a supply voltage as low as 2.7V, making it suitable for battery-powered applications.
2. Rail-to-Rail Input and Output Swing: The operational amplifier allows signals to swing close to both the positive and negative supply rails, maximizing dynamic range.
3. Unity-Gain Stable: The LMV7291MG remains stable even when configured for unity gain, eliminating the need for external compensation components.
4. Wide Bandwidth: With a bandwidth of 10MHz, the LMV7291MG can handle high-frequency signals accurately.
5. Low Input Offset Voltage: The amplifier has a low input offset voltage, minimizing errors in signal amplification.

Advantages and Disadvantages

Advantages: - Low power consumption - Small package size - Wide bandwidth - Rail-to-rail input and output swing

Disadvantages: - Limited output current capability (30mA)

Working Principles

The LMV7291MG is based on a differential amplifier configuration. It amplifies the voltage difference between the inverting and non-inverting inputs by a fixed gain. The rail-to-rail input and output swing allow the amplifier to accurately amplify signals that span the entire supply voltage range.

Detailed Application Field Plans

The LMV7291MG is commonly used in various applications, including: 1. Portable audio devices 2. Battery-powered instrumentation 3. Sensor signal conditioning 4. Active filters 5. Signal amplification in communication systems

Detailed and Complete Alternative Models

1. LMV321: Single-channel operational amplifier with similar specifications and package options.
2. LMV358: Dual-channel operational amplifier with rail-to-rail input and output swing.
3. LMV324: Quad-channel operational amplifier with low power consumption and wide bandwidth.

These alternative models offer similar functionality and can be used as substitutes for the LMV7291MG in various applications.

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