MAX97002

更新时间： 2024-01-29 03:28:20

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 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	包装说明：	FBGA, BGA20,4X5,20
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	Factory Lead Time：	1 week
风险等级：	5.79	商用集成电路类型：	AUDIO AMPLIFIER
JESD-30 代码：	R-PBGA-B20	JESD-609代码：	e1
湿度敏感等级：	1	功能数量：	2
端子数量：	20	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	FBGA	封装等效代码：	BGA20,4X5,20
封装形状：	RECTANGULAR	封装形式：	GRID ARRAY, FINE PITCH
电源：	1.8,3.7 V	认证状态：	Not Qualified
子类别：	Audio/Video Amplifiers	最大压摆率：	2.7 mA
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Tin/Silver/Copper (Sn/Ag/Cu)	端子形式：	BALL
端子节距：	0.5 mm	端子位置：	BOTTOM
Base Number Matches：	1

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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