Datasheet > MAX97200_11

MAX97200_11

更新时间： 2024-11-23 11:14:11

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
13页	1553K
描述
Low-Power, Low-Offset, Dual Mode, Class H DirectDrive Headphone Amplifier

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MAX97200_11 数据手册

19-4981; Rev 2; 3/11

Low-Power, Low-Offset, Dual Mode, Class H

DirectDrive Headphone Amplifier

General Description

The MAX97200 is a 45mW Class H headphone amplifier

that runs from a single low 1.8V supply voltage and employs

Maxim’s second-generation DirectDrive technology.

Features

S Second-Generation DirectDrive Technology

S Dynamic, Class H, Dual Mode Charge Pump

S Low Voltage Operation, V = 1.8V

PVIN

The MAX97200 features a Dual ModeK internal charge

pump to generate the power rails for the amplifier. The

charge-pump output can be QPVIN/2 or QPVIN depend-

ing on the amplitude of the output signal. When the out-

put voltage is low, the power-supply voltage is QPVIN/2.

When the output signal demands larger output voltage,

the charge pump switches modes so that a greater

power-supply voltage is realized and more output power

can be delivered to the load.

S Low Quiescent Current, 1.15mA (typ) at V

PVIN

1.8V

S Eliminates Large Output DC-Blocking Capacitors

S Industry-Leading Click-and-Pop Performance

S High-Fidelity, SNR 105dB (5.6µV Output Noise)

S Output Power 34mW into 32I (THD+N 1%)

S Output Power 45mW into 16I (THD+N 10%)

S Tiny, 12-Bump, 1.27mm x 1.65mm (0.4mm Lead

Second-generation DirectDrive technology improves

power consumption when compared to first-generation

DirectDrive amplifiers. The MAX97200 can be powered

from a regulated 1.8V and have similar power consump-

tion to a traditional DirectDrive amplifier that is powered

from 0.9V.

Pitch) WLP Package

Ordering Information/

Selector Guide

GAIN

(dB)

PIN-

PACKAGE

TOP

MARK

PART

Maxim’s DirectDrive architecture uses an inverting

charge pump to derive a negative voltage supply. The

headphone amplifier is powered between the positive

supply and the generated negative rail. This scheme

allows the audio output signal to be biased about

ground, eliminating the need for large DC-blocking

capacitors between the amplifier output and the head-

phone load.

MAX97200AEWC+

MAX97200BEWC+

12 WLP

ABF

ABG

Note: All devices operate over the -40°C to +85°C tempera-

ture range.

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

Low-output offset voltage provides very good click-and-

pop performance both into and out of shutdown. High

signal-to-noise ratio maintains system fidelity.

Typical Operating Circuit

The MAX97200 is available in a tiny, 12-bump wafer

level packaging (WLP 1.27mm x 1.65mm) with a small,

0.4mm lead pitch and specified over the -40NC to +85NC

extended temperature range.

MAX97200

LEFT AUDIO

INPUT

LEFT AUDIO OUTPUT

Applications

APPLICATIONS

PROCESSOR

SHDN

Cellular Phones

Smartphones

MP3 Players

VoIP Phones

RIGHT AUDIO

INPUT

RIGHT AUDIO

OUTPUT

CHARGE

PUMP

DirectDrive is a registered trademark of Maxim Integrated

Products, Inc.

Dual Mode is a trademark of Maxim Integrated Products, Inc.

_______________________________________________________________ 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...13

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与MAX97200_11相关器件

型号	品牌	获取价格	描述	数据表
MAX97200_12	MAXIM	获取价格	Low-Power, Low-Offset, Dual Mode, Class H DirectDrive Headphone Amplifier
MAX97200AEWC	MAXIM	获取价格	Low-Power, Low-Offset, Dual Mode, Class H DirectDrive Headphone Amplifier
MAX97200AEWC+	MAXIM	获取价格	Low-Power, Low-Offset, Dual Mode, Class H DirectDrive Headphone Amplifier
MAX97200BEWC	MAXIM	获取价格	Low-Power, Low-Offset, Dual Mode, Class H DirectDrive Headphone Amplifier
MAX97200BEWC+	MAXIM	获取价格	Low-Power, Low-Offset, Dual Mode, Class H DirectDrive Headphone Amplifier
MAX97200BEWC+T	MAXIM	获取价格	暂无描述
MAX9720AEBE+T	MAXIM	获取价格	Audio Amplifier, 0.05W, 2 Channel(s), 1 Func, BICMOS, PBGA16, 2 X 2 MM, 0.6 MM HEIGHT, UCS
MAX9720AEBE-T	MAXIM	获取价格	50mW, DirectDrive, Stereo Headphone Amplifier with SmartSense and Shutdown
MAX9720AEUE	MAXIM	获取价格	50mW, DirectDrive, Stereo Headphone Amplifier with SmartSense and Shutdown
MAX9720AEUE	ROCHESTER	获取价格	0.05W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO16, 4.40 MM, MO-153AB, TSSOP-16

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