MAX97002

更新时间： 2024-11-26 11:14:15

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
36页	3201K
描述
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers

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MAX97002 数据手册

19-5111; Rev 0; 1/10

Audio Subsystem with Mono Class D

Speaker and Class H Headphone Amplifiers

General Description

Features

The MAX97002 mono audio subsystem combines a

mono speaker amplifier with a stereo headphone ampli-

fier and an analog DPST switch. The headphone and

speaker amplifiers have independent volume control and

on/off control. The 4 inputs are configurable as 2 differ-

ential inputs or 4 single-ended inputs.

S 2.7V to 5.5V Speaker Supply Voltage

S 1.6V to 2V Headphone Supply Voltage

S 700mW Speaker Output (V = 3.7V,

PVDD

SPK

= 8ω + 68µH)

S 37mW/Channel Headphone Output (R

= 16I)

S Low-Emission Class D Amplifier

The entire subsystem is designed for maximum effi-

ciency. The high-efficiency, 700mW, Class D speaker

amplifier operates directly from the battery and con-

sumes no more than 1FA in shutdown mode. The Class

H headphone amplifier utilizes a dual-mode charge

pump to maximize efficiency while outputting a ground-

referenced signal that does not require output coupling

capacitors.

S Efficient Class H Headphone Amplifier

S Ground-Referenced Headphone Outputs

S 2 Stereo Single-Ended/Mono Differential Inputs

S Integrated Distortion Limiter (Speaker Outputs)

S Integrated DPST Analog Switch

S No Clicks and Pops

The speaker amplifier incorporates a distortion limiter to

automatically reduce the volume level when excessive

clipping occurs. This allows high gain for low-level sig-

nals without compromising the quality of large signals.

S TDMA Noise Free

S 2mm x 2.5mm, 20-Bump, 0.5mm Pitch WLP

Package

All control is performed using the 2-wire I²C interface.

The MAX97002 operates over the extended -40NC to

+85NC temperature range, and is available in the 2mm x

2.5mm, 20-bump, WLP package (0.5mm pitch).

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX97002EWP+

-40NC to +85NC

20 WLP

Applications

Cell Phones

Portable Media Players

Simplified Block Diagram

I C

1.8V

BATTERY

POWER SUPPLY

CONTROL

MAX97002

STEREO/

MONO

INPUT

CLASS H

AMPLIFIER

VOLUME

CHARGE

PUMP

CLASS D

AMPLIFIER

LIMITER

STEREO/

MONO

INPUT

BYPASS

_______________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...36

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与MAX97002相关器件

型号	品牌	获取价格	描述	数据表
MAX97002EVKIT	MAXIM	获取价格	MAX97002 Evaluation Kit
MAX97002EVKIT+	MAXIM	获取价格	MAX97002 Evaluation Kit
MAX97002EWP+	MAXIM	获取价格	Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers
MAX97002EWP+T	MAXIM	获取价格	Audio Amplifier, 2 Func, PBGA20,
MAX97003	MAXIM	获取价格	High-Efficiency, Low-Noise Audio Subsystem
MAX97003	ADI	获取价格	高效、低噪声音频子系统
MAX9700A	MAXIM	获取价格	Selectable Switching Frequency
MAX9700AEBC+	MAXIM	获取价格	暂无描述
MAX9700AEBC+T	MAXIM	获取价格	Audio Amplifier, 1.6W, 1 Channel(s), 1 Func, BICMOS, PBGA12, UCSP-12
MAX9700AEBC-T	MAXIM	获取价格	1.2W, Low-EMI, Filterless, Class D Audio Amplifier

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