Datasheet > MAX4411_V01

MAX4411_V01

更新时间： 2024-11-29 02:51:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
18页	523K
描述
80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown

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MAX4411_V01 数据手册

19-2618; Rev 2; 9/06

80mW, Fixed-Gain, DirectDrive, Stereo

Headphone Amplifier with Shutdown

General Description

Features

The MAX4411 fixed-gain, stereo headphone amplifier is

designed for portable equipment where board space is

at a premium. The MAX4411 uses a unique DirectDrive

architecture to produce a ground-referenced output

from a single supply, eliminating the need for large DC-

blocking capacitors, saving cost, board space, and

component height. Additionally, the gain of the

amplifier is set internally (-1.5V/V, MAX4411 and

-2V/V, MAX4411B), further reducing component count.

♦ No Bulky DC-Blocking Capacitors Required

♦ Fixed -1.5V/V Gain Eliminates External Feedback

Network

MAX4411: -1.5V/V

MAX4411B: -2V/V

♦ Ground-Referenced Outputs Eliminate DC-Bias

Voltages on Headphone Ground Pin

♦ No Degradation of Low-Frequency Response Due

to Output Capacitors

The MAX4411 delivers up to 80mW per channel into a

16Ω load and has low 0.003% THD+N. An 86dB at

217Hz power-supply rejection ratio (PSRR) allows this

device to operate from noisy digital supplies without an

additional linear regulator. The MAX4411 includes 8kV

ESD protection on the headphone outputs. Com-

prehensive click-and-pop circuitry suppresses audible

clicks and pops on startup and shutdown. Independent

left/right, low-power shutdown controls make it possible

to optimize power savings in mixed-mode, mono/stereo

applications.

♦ 80mW per Channel into 16Ω

♦ Low 0.003% THD+N

♦ High PSRR (86dB at 217Hz)

♦ Integrated Click-and-Pop Suppression

♦ 1.8V to 3.6V Single-Supply Operation

♦ Low Quiescent Current (5mA)

♦ Independent Left/Right, Low-Power

Shutdown Controls

♦ Short-Circuit and Thermal-Overload Protection

♦

8kV ESD-Protected Amplifier Outputs

The MAX4411 operates from a single 1.8V to 3.6V supply,

consumes only 5mA of supply current, has short-circuit

and thermal-overload protection, and is specified over the

extended -40°C to +85°C temperature range. The

MAX4411 is available in a tiny (2mm ✕ 2mm ✕ 0.6mm),

16-bump chip-scale package (UCSP™) and a 20-pin thin

QFN package (4mm ✕ 4mm ✕ 0.8mm).

♦ Available in Space-Saving Packages

16-Bump UCSP (2mm ✕ 2mm ✕ 0.6mm)

20-Pin Thin QFN (4mm ✕ 4mm ✕ 0.8mm)

Ordering Information

PIN/BUMP-

PACKAGE

GAIN

(V/V)

PART

TEMP RANGE

Applications

MAX4411EBE-T

MAX4411EBE+T

MAX4411ETP

-40°C to +85°C 16 UCSP-16

-40°C to +85°C 20 Thin QFN

-1.5

Notebook PCs

Cellular Phones

PDAs

MP3 Players

Smart Phones

Portable Audio Equipment

Ordering Information continued at end of data sheet.

+Denotes lead-free package.

UCSP is a trademark of Maxim Integrated Products, Inc.

Functional Diagram

DirectDrive OUTPUTS

ELIMINATE DC-BLOCKING

CAPACITORS

LEFT

AUDIO

INPUT

SHDNL

SHDNR

MAX4411

RIGHT

AUDIO

INPUT

FIXED GAIN ELIMINATES

EXTERNAL RESISTOR

NETWORK

Pin Configurations and Typical Application Circuit appear at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...18

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与MAX4411_V01相关器件

型号	品牌	获取价格	描述	数据表
MAX4411B	MAXIM	获取价格	80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX4411BEBE	MAXIM	获取价格	Audio/Video Amplifier, BICMOS, PBGA14
MAX4411BEBE+	MAXIM	获取价格	Audio/Video Amplifier, BICMOS, PBGA14
MAX4411BEBE-T	MAXIM	获取价格	80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX4411BETP	MAXIM	获取价格	80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX4411BETP+T	MAXIM	获取价格	Audio Amplifier, 0.08W, 2 Channel(s), 1 Func, BICMOS, 4 X 4 MM, 0.80 MM HEIGHT, QFN-20
MAX4411BETP-T	MAXIM	获取价格	暂无描述
MAX4411EBE+	MAXIM	获取价格	Audio/Video Amplifier, BICMOS, PBGA14,
MAX4411EBE+T	MAXIM	获取价格	80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX4411EBE+TCAN	MAXIM	获取价格	暂无描述

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