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MAX9850ETI+

更新时间： 2024-01-10 15:58:59

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
36页	952K
描述
Consumer Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, MO-220, TQFN-28

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技术参数
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MAX9850ETI+ 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	HVQCCN, LCC28,.2SQ,20	针数：	28
Reach Compliance Code：	not_compliant	HTS代码：	8542.39.00.01
风险等级：	5.17	商用集成电路类型：	CONSUMER CIRCUIT
JESD-30 代码：	S-XQCC-N28	JESD-609代码：	e0
长度：	5 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	28
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装等效代码：	LCC28,.2SQ,20	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	245
电源：	2/3.3 V	认证状态：	Not Qualified
座面最大高度：	0.8 mm	子类别：	Audio/Video Amplifiers
最大供电电压 (Vsup)：	3.6 V	最小供电电压 (Vsup)：	1.8 V
表面贴装：	YES	技术：	BICMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5 mm	Base Number Matches：	1

MAX9850ETI+ 数据手册

19-3454; Rev 0; 11/04

Stereo Audio DAC with DirectDrive

Headphone Amplifier

General Description

Features

The MAX9850 is a low-power, high-performance stereo

audio DAC with an integrated DirectDrive™ headphone

amplifier. The MAX9850 is designed to meet the board

space and performance requirements of portable devices

such as cell phones and MP3 and portable DVD players.

♦ 1.8V to 3.6V Single-Supply Operation

♦ 30mW Stereo Headphone Output Power with

1.8V Supply

♦ DirectDrive Outputs Eliminate DC-Blocking

The MAX9850 uses Maxim’s patented DirectDrive

headphone technology that produces a ground-biased

analog audio output from a single supply, which allows

for driving the headphones directly from the amplifier

outputs without large DC-blocking capacitors. This fea-

ture saves board space, provides higher click/pop sup-

pression, and improves low-frequency (bass) response.

The architecture does not require the headphone jack

to be biased to a DC voltage and thus allows for a con-

ventional, grounded chassis design.

Capacitors

♦ 91dB PSRR at 1kHz

♦ Any Master Clock Up to 40MHz

♦ Flexible I S-Compatible Digital Audio Interface

♦ I C Headphone Volume and Mute Control

♦ Stereo Line Inputs and Outputs

♦ Clickless/Popless Operation

The MAX9850’s flexible clocking circuitry utilizes any

available system clock up to 40MHz, eliminating the

need for an external PLL and multiple crystal oscillators.

The DAC supports a wide range of sample rates from

8kHz to 48kHz in both master and slave modes, making

the MAX9850 the easiest to use and most versatile audio

DAC available. It can also be operated like traditional

synchronous DACs, at any integer-oversampling ratio.

♦ 2-Wire (I C)-Compatible Control Interface

♦ Available in 28-Pin Thin QFN Package

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX9850ETI

-40°C to +85°C

28 Thin QFN-EP*

The audio DAC receives input data over a flexible

3-wire interface that supports up to 32 bits of left-justi-

*EP = Exposed Paddle. Package code T2855-6 (see Package

Information section).

fied, right-justified, or I S-compatible audio data. Stereo

audio line inputs are provided to either mix analog

audio with the digital input stream, or to drive the head-

phone outputs directly. Mode settings, headphone

amplifier volume controls, and shutdown for both the

headphone and line outputs are programmed through a

Pin Configuration appears at end of data sheet.

Block Diagram

2-wire, I C-compatible interface.

The MAX9850 is fully specified over the -40°C to +85°C

extended temperature range and is available in a low-

profile, 28-pin thin QFN package (5mm x 5mm x 0.8mm).

MCLK

1.8V TO 3.6V

INR

DIGITAL

PLL

OUTR

HPR

LINE

OUT

Applications

MP3/Portable Multimedia Players

Cell Phones/Smart Phones

MAX9850

DAC

SDIN

BCLK

LRCLK

DIGITAL

AUDIO

HPL

Portable DVD Players

DAC

SDA

SCL

ADD

GPIO

OUTL

LINE

OUT

I C

Purchase of I C components from Maxim Integrated Products,

Inc. or one of its sublicensed Associated Companies, conveys

INL

a license under the Philips I C Patent Rights to use these com-

ponents in an I C system, provided that the system conforms to

the I C Standard Specification as defined by Philips.

________________________________________________________________ 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...36

中文翻译

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MAX9850ETI+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX9850ETI	MAXIM	类似代替	Stereo Audio DAC with DirectDrive Headphone Amplifier
MAX9850ETI-T	MAXIM	功能相似	Consumer Circuit, BICMOS, 5 X 5 MM, 0.80 MM PITCH, MO-220WHHD-1, TQFN-28

与MAX9850ETI+相关器件

型号	品牌	获取价格	描述	数据表
MAX9850ETI+G47	MAXIM	获取价格	Consumer Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, TQFN-28
MAX9850ETI+TG47	MAXIM	获取价格	Consumer Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, TQFN-28
MAX9850ETI-T	MAXIM	获取价格	Consumer Circuit, BICMOS, 5 X 5 MM, 0.80 MM PITCH, MO-220WHHD-1, TQFN-28
MAX9851	MAXIM	获取价格	Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line O
MAX9851ETM+	MAXIM	获取价格	Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line O
MAX9851ETM+T	MAXIM	获取价格	PCM Codec, 1-Func, BICMOS, 7 X 7 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-220, TQFN-48
MAX9851EVCMODU	MAXIM	获取价格	PCM Codec, 1-Func, BICMOS
MAX9853	MAXIM	获取价格	Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line O
MAX9853ETM	MAXIM	获取价格	PCM Codec, 1-Func, BICMOS, PQCC48, 7MM X 7MM, 0.80MM HEIGHT, PLASTIC, QFN-48
MAX9853ETM+	MAXIM	获取价格	Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line O

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