MAX97000

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
33页	3483K
描述
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifier

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MAX97000 数据手册

19-5004; Rev 0; 11/09

Audio Subsystem with Mono Class D

Speaker and Class H Headphone Amplifier

General Description

Features

The MAX97000 audio subsystem combines a mono

speaker amplifier with a stereo headphone amplifier and

an analog DPST switch. The headphone and speaker

amplifiers have independent volume control and on/off

control. The four inputs are configurable as two differen-

tial inputs or four single-ended inputs.

S 2.7V to 5.5V Single Supply Voltage

S 725mW Speaker Output (V

= 3.7V, Z

= 8I

PVDD

SPK

+ 68µH)

S 40mW/Channel Headphone Output (R

S Low-Emission Class D Amplifier

= 16I)

S Efficient Class H Headphone Amplifier

S Ground-Referenced Headphone Outputs

The entire subsystem is designed for maximum efficiency.

The high-efficiency 725mW Class D speaker amplifier

operates directly from the battery and consumes 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 Two 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.

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

The MAX97000 operates in the extended -40NC to +85NC

temperature range, and is available in the 2mm x 2mm,

25-bump WLP package (0.4mm pitch).

S TDMA Noise Free

S 2mm x 2mm, 25-Bump 0.4mm Pitch WLP Package

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX97000EWA+

-40NC to +85NC

25 WLP

+Denotes a lead(Pb)-free/RoHS-compliant package.

Applications

Cell Phones

Portable Multimedia Players

Simplified Block Diagram

BATTERY

2.7V TO 5.5V

I C

POWER SUPPLY

CONTROL

MAX97000

STEREO/

MONO

INPUT

CLASS D

AMPLIFIER

VOLUME

LIMITER

CLASS H

AMPLIFIER

VOLUME

STEREO/

MONO

INPUT

CHARGE

PUMP

SWITCH

_______________________________________________________________ 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...33

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与MAX97000相关器件

型号	品牌	获取价格	描述	数据表
MAX97000_V01	MAXIM	获取价格	Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifier
MAX97000EVKIT	MAXIM	获取价格	MAX97000 Evaluation Kit
MAX97000EVKIT+	MAXIM	获取价格	MAX97000 Evaluation Kit
MAX97000EWA+	MAXIM	获取价格	Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifier
MAX97000EWA+T	MAXIM	获取价格	Volume Control Circuit,
MAX97001	MAXIM	获取价格	Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers
MAX97001EVKIT	MAXIM	获取价格	MAX97001 Evaluation Kit
MAX97001EVKIT+	MAXIM	获取价格	MAX97001 Evaluation Kit
MAX97001EWP+	MAXIM	获取价格	Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers
MAX97002	MAXIM	获取价格	Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers

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