LMH6321MR

Product Overview

Category: Integrated Circuit (IC)

Use: LMH6321MR is a high-performance audio operational amplifier designed for use in professional audio applications. It is specifically tailored for driving headphones and other high-impedance loads.

Characteristics: - High output current capability - Low distortion and noise - Wide bandwidth - High slew rate - Rail-to-rail input and output swing - Unity-gain stable

Package: LMH6321MR is available in a small outline package (SOP) with 8 pins.

Essence: The essence of LMH6321MR lies in its ability to provide high-quality audio amplification with low distortion and noise, making it suitable for demanding audio applications.

Packaging/Quantity: LMH6321MR is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: ±2.5V to ±17V
• Input Voltage Range: ±Vs - 1.5V
• Output Voltage Swing: ±Vs - 1.5V
• Output Current: 150mA
• Bandwidth: 55MHz
• Slew Rate: 1800V/µs
• Total Harmonic Distortion: 0.0003%
• Input Bias Current: 1.5µA
• Quiescent Current: 10mA

Pin Configuration

The LMH6321MR IC has the following pin configuration:

```

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

Functional Features

• High output current capability allows driving of low-impedance loads.
• Low distortion and noise ensure high-quality audio reproduction.
• Wide bandwidth enables accurate signal amplification across a wide frequency range.
• High slew rate ensures fast response to dynamic audio signals.
• Rail-to-rail input and output swing provide maximum signal handling capability.
• Unity-gain stable for easy circuit design.

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low distortion and noise - Wide bandwidth - Rail-to-rail input and output swing - Unity-gain stable

Disadvantages: - Requires dual power supply (±Vs) for operation - Relatively high quiescent current

Working Principles

LMH6321MR operates as a voltage amplifier, taking an audio input signal and amplifying it with high fidelity. It utilizes a combination of internal circuitry, including differential inputs, gain stages, and output buffers, to achieve its performance characteristics.

Detailed Application Field Plans

LMH6321MR finds applications in various professional audio systems, including: - Headphone amplifiers - Audio mixers - Audio recording equipment - Studio monitors - Public address systems - Musical instruments

Alternative Models

Some alternative models that offer similar functionality to LMH6321MR are: - AD8397 - OPA1612 - NJM4556A - TPA6120A2

These models can be considered as alternatives based on specific requirements and design considerations.

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