MAX984CSE-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, stereo audio amplifier with integrated volume control
• Package: 16-pin Narrow SOIC (Small Outline Integrated Circuit)
• Essence: Provides high-quality audio amplification and volume control in a compact package
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Power Supply Voltage: 4.5V to 14V
• Output Power: 2 x 2.8W into 4Ω at 5V supply voltage
• Total Harmonic Distortion + Noise: 0.1% (typical) at 1kHz, 1W output power
• Signal-to-Noise Ratio: 90dB (typical) at 1kHz, 1W output power
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX984CSE-T has a total of 16 pins. The pin configuration is as follows:

1. VDD - Power Supply Voltage
2. GND - Ground
3. SHDN - Shutdown Control Input
4. MUTE - Mute Control Input
5. INL+ - Left Channel Positive Input
6. INL- - Left Channel Negative Input
7. VOL - Volume Control Input
8. OUTL - Left Channel Output
9. OUTR - Right Channel Output
10. INR- - Right Channel Negative Input
11. INR+ - Right Channel Positive Input
12. BIAS - Bias Voltage Output
13. BYP - Bypass Capacitor Connection
14. NC - No Connection
15. NC - No Connection
16. VREF - Reference Voltage Output

Functional Features

• High-quality stereo audio amplification
• Integrated volume control for easy adjustment of audio output level
• Low total harmonic distortion and noise for clear sound reproduction
• Shutdown and mute control inputs for power management and audio muting capabilities
• Bias voltage output for external circuitry integration
• Reference voltage output for system-level applications

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs - High-performance audio amplification with low distortion - Integrated volume control simplifies system design - Shutdown and mute control inputs provide flexibility in power management and audio control

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for complete audio system integration

Working Principles

The MAX984CSE-T is a class AB audio amplifier that utilizes a combination of analog and digital circuitry to amplify audio signals. It operates by receiving audio input signals through the left and right channel inputs (INL+ and INR+) and amplifying them using internal amplification stages. The amplified audio signals are then sent to the respective left and right channel outputs (OUTL and OUTR) for connection to speakers or other audio devices.

The volume control input (VOL) allows for adjusting the audio output level, while the shutdown control input (SHDN) and mute control input (MUTE) provide additional control over the amplifier's operation and audio output.

Detailed Application Field Plans

The MAX984CSE-T is commonly used in various audio applications, including:

1. Portable audio devices such as smartphones, tablets, and portable media players
2. Home audio systems and multimedia speakers
3. Automotive audio systems
4. Gaming consoles and entertainment systems
5. Personal computers and laptops

Alternative Models

For alternative options, the following models can be considered:

1. MAX98357A - Digital input, class D audio amplifier with integrated volume control
2. MAX97220A - Low-power, stereo audio amplifier with shutdown and mute control
3. TPA3116D2 - High-performance, digital input audio amplifier with built-in equalizer

These alternative models offer different features and specifications, providing flexibility in choosing the most suitable audio amplifier for specific applications.

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