MAX982CUA

Product Overview

Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: High-performance, low-power, stereo audio amplifier
Package: 8-pin micro small outline package (MSOP)
Essence: MAX982CUA is a compact and efficient audio amplifier designed for various applications requiring high-quality sound amplification.
Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

Power Supply Voltage: 2.7V to 5.5V
Output Power: 1.4W per channel into 8Ω load at 5V supply voltage
Total Harmonic Distortion + Noise (THD+N): 0.06% at 1kHz, 1.2W output power
Signal-to-Noise Ratio (SNR): 95dB at 1kHz, 1.2W output power
Shutdown Current: 0.01μA (typical)
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX982CUA features the following pin configuration:

INL-: Negative input of left channel
INL+: Positive input of left channel
GND: Ground
SHDN: Shutdown control input
OUTL: Output of left channel
VDD: Power supply voltage
INR+: Positive input of right channel
INR-: Negative input of right channel

Functional Features

Low quiescent current consumption
Wide operating voltage range
Short-circuit and thermal protection
Shutdown mode for power saving
Excellent audio quality with low distortion and noise
Single-ended or differential input configuration

Advantages and Disadvantages

Advantages: - Compact package size - Low power consumption - High-quality audio amplification - Flexible input configuration options

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

Working Principles

The MAX982CUA is based on Class AB amplifier architecture, which combines the efficiency of Class B amplifiers with the low distortion characteristics of Class A amplifiers. It utilizes a push-pull configuration to amplify the audio signal while minimizing power consumption and distortion.

Detailed Application Field Plans

The MAX982CUA can be used in various applications, including but not limited to: - Portable audio devices - Mobile phones and tablets - Personal computers and laptops - Home theater systems - Automotive audio systems

Alternative Models

Here are some alternative models that offer similar functionality to the MAX982CUA: - MAX98306 - TPA3116D2 - LM386 - TAS5720

These alternatives provide different features and specifications, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the MAX982CUA is a high-performance audio amplifier IC designed for compact and efficient sound amplification. With its low power consumption, excellent audio quality, and flexible input configuration, it finds applications in various portable and consumer electronic devices.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX982CUA v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX982CUA in technical solutions:

Q: What is MAX982CUA? A: MAX982CUA is a low-power, stereo audio codec with an integrated microphone amplifier, ideal for applications such as portable audio devices and voice recorders.
Q: What is the power supply voltage range for MAX982CUA? A: The power supply voltage range for MAX982CUA is typically between 2.7V and 5.5V.
Q: Can MAX982CUA be used with both electret and MEMS microphones? A: Yes, MAX982CUA can be used with both electret and MEMS microphones, providing flexibility in microphone selection.
Q: Does MAX982CUA support digital audio interfaces? A: No, MAX982CUA does not support digital audio interfaces. It is designed for analog audio applications.
Q: What is the typical total harmonic distortion (THD) of MAX982CUA? A: The typical THD of MAX982CUA is around 0.01%, ensuring high-quality audio output.
Q: Can MAX982CUA operate in a low-power mode? A: Yes, MAX982CUA features a low-power mode that reduces power consumption when the device is not actively processing audio.
Q: Does MAX982CUA have built-in volume control? A: Yes, MAX982CUA includes a programmable gain amplifier (PGA) that allows for volume control.
Q: What is the maximum sampling rate supported by MAX982CUA? A: MAX982CUA supports a maximum sampling rate of 48 kHz.
Q: Is MAX982CUA compatible with both single-ended and differential audio inputs? A: Yes, MAX982CUA supports both single-ended and differential audio inputs, providing flexibility in audio source selection.
Q: Can MAX982CUA be used in battery-powered applications? A: Yes, MAX982CUA is suitable for battery-powered applications due to its low-power consumption and wide power supply voltage range.

Please note that these answers are general and may vary depending on the specific application and implementation of MAX982CUA. It is always recommended to refer to the datasheet and consult the manufacturer for detailed information.