LMV931MG/NOPB

Product Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: Low voltage, low power consumption, rail-to-rail input/output, high gain bandwidth product
Package: SOT-23-5
Essence: High-performance operational amplifier
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Supply Voltage: 1.8V to 5.5V
• Input Offset Voltage: ±1mV (maximum)
• Input Bias Current: ±1pA (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 6V/µs
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LMV931MG/NOPB operational amplifier has the following pin configuration:

____ V+ |1 5| Output IN-|2 4| IN+ V- |3____|

Functional Features

• Low voltage operation allows for use in battery-powered applications
• Rail-to-rail input/output enables maximum dynamic range
• High gain bandwidth product ensures accurate signal amplification
• Low quiescent current minimizes power consumption
• Wide operating temperature range for versatile applications

Advantages

• Small package size makes it suitable for space-constrained designs
• Low input offset voltage ensures precise signal conditioning
• Excellent noise performance for high-fidelity audio applications
• Robust design with built-in protection against overvoltage and short circuits

Disadvantages

• Limited output current capability may restrict use in certain applications
• Single-channel configuration limits flexibility in multi-channel systems

Working Principles

The LMV931MG/NOPB is a voltage-feedback operational amplifier that amplifies and conditions input signals. It operates on a low supply voltage, making it ideal for battery-powered devices. The rail-to-rail input/output capability allows the amplifier to handle signals close to the supply rails, maximizing the dynamic range.

The amplifier's high gain bandwidth product ensures accurate amplification of high-frequency signals. Its low quiescent current minimizes power consumption, making it suitable for energy-efficient applications.

Application Field Plans

The LMV931MG/NOPB can be used in various applications, including:

1. Portable audio devices: Provides high-quality audio amplification for headphones and speakers.
2. Sensor signal conditioning: Amplifies and filters sensor signals for accurate measurement.
3. Battery-powered instrumentation: Enables precise signal amplification in handheld test equipment.
4. Medical devices: Supports signal conditioning in portable medical monitoring devices.
5. Industrial automation: Amplifies control signals in low-power industrial automation systems.

Alternative Models

• LMV321: Single-channel operational amplifier with similar specifications
• LMV358: Dual-channel operational amplifier with rail-to-rail input/output
• LMV324: Quad-channel operational amplifier with low power consumption

These alternative models offer different channel configurations and package options while maintaining similar performance characteristics to the LMV931MG/NOPB.

In conclusion, the LMV931MG/NOPB is a high-performance operational amplifier designed for low-voltage applications. Its small package size, low power consumption, and rail-to-rail input/output make it suitable for a wide range of signal amplification and conditioning tasks.