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MAX9722AETE+T

Name: MAX9722AETE+T
Rating: 4.7 (12 reviews)

IC AMP CLSS AB STER 130MW 16TQFN

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資料表 MAX9722AETE+T DataSheet
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規格

Series	DirectDrive®
Part Status	Active
Type	Class AB
Output Type	Headphones, 2-Channel (Stereo)
Max Output Power x Channels @ Load	130mW x 2 @ 32Ohm
Voltage - Supply	2.4V ~ 5.5V
Features	Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
Supplier Device Package	16-TQFN (3x3)
Package / Case	16-WFQFN Exposed Pad
Base Product Number	MAX9722

概述

Description

The MAX9722AETE+T is a high-performance, low-power audio amplifier designed for portable and battery-operated devices. It features a Class D architecture, allowing it to deliver high efficiency and extended battery life while providing high-quality audio output. This amplifier can drive stereo speakers with up to 2.5W per channel at a 4-ohm load and operates from a wide supply voltage range of 2.7V to 5.5V.
The MAX9722A supports various audio formats and includes features like differential inputs, a low-noise design, and built-in thermal protection to ensure reliability. Its compact package makes it suitable for space-constrained applications, such as smartphones, tablets, and portable speakers.
Additionally, the device comes with advanced functionalities like shutdown modes and volume control, enhancing its adaptability for different designs. Overall, the MAX9722AETE+T is an excellent choice for engineers looking to integrate high-quality audio amplification into their next project.

Features

The MAX9722AETE+T is a high-performance audio amplifier designed for portable applications. Key features include:
1. High Efficiency: Operates at up to 90% efficiency, reducing heat and extending battery life.
2. Output Power: Delivers 2.5W per channel into 4Ω loads with low total harmonic distortion (THD).
3. Low THD+N: Ensures high-quality audio reproduction with THD+N as low as 0.1%.
4. Wide Supply Voltage Range: Supports a supply voltage from 2.7V to 5.5V, making it versatile for various battery-powered devices.
5. Integrated Pop-and-Click Suppression: Minimizes noise during power-up and shutdown.
6. Thermal and Overload Protection: Includes built-in safety features to prevent overheating and damage.
7. Adjustable Gain: Gain can be set externally for customization in different applications.
8. Small Package Size: Available in a 10-pin µMAX package for space-constrained designs.
This amplifier is ideal for portable audio devices, such as smartphones, tablets, and other battery-operated equipment.

Package

The MAX9722AETE+T comes in a TQFN (Thin Quad Flat No-lead) package type, specifically with a 16-pin configuration. This package is compact and suitable for space-constrained applications, allowing for efficient thermal performance and electrical connectivity.

Pinout

The MAX9722AETE+T is a low-power, dual-channel audio amplifier with a pin count of 16.
### Pin Functions:
1. 1 (OUT1): Left channel output.
2. 2 (OUT2): Right channel output.
3. 3 (GND): Ground reference.
4. 4 (IN1-): Inverting input for left channel.
5. 5 (IN1+): Non-inverting input for left channel.
6. 6 (IN2-): Inverting input for right channel.
7. 7 (IN2+): Non-inverting input for right channel.
8. 8 (VDD): Positive power supply.
9. 9 (PVDD): Power supply for output stage.
10. 10 (SHDN): Shutdown control pin.
11. 11 (N/C): No connect (not used).
12. 12 (N/C): No connect (not used).
13. 13 (OUT1): Left channel output.
14. 14 (OUT2): Right channel output.
15. 15 (MODE): Mode selection for gain.
16. 16 (VSS): Negative power supply.
This amplifier is designed for high-performance audio applications with features such as low distortion and high efficiency.

Manufacturer

The MAX9722AETE+T is manufactured by Maxim Integrated, which is a company known for designing and producing high-performance analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated specializes in a range of products including amplifiers, voltage regulators, data converters, and sensors, primarily targeting markets such as automotive, industrial, communications, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, a leading global semiconductor company that focuses on high-performance analog, mixed-signal, and digital signal processing technologies.

Application

The MAX9722AETE+T is a low-power, dual audio amplifier used in various applications, including portable audio devices, smartphone speaker systems, and Bluetooth audio solutions. It is suitable for driving headphones, miniature speakers, and other audio output components in consumer electronics, gaming devices, and automotive systems. Its compact design and efficient performance make it ideal for battery-operated applications.

Equivalent

The MAX9722AETE+T chip's equivalent products include the following:
1. LM49710 - Dual audio power amplifier with low distortion.
2. TDA7056 - Low voltage audio amplifier.
3. TS4970 - Low power audio amplifier for portable devices.
4. MAX9722AETT - A variant with similar specifications.
Ensure to check the specific features and pin compatibility before substituting.