MAX4079

更新时间： 2024-10-26 05:49:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
15页	268K
描述
Complete Audio/Video Backend Solution

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中文翻译

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数据手册

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MAX4079 数据手册

19-37ꢀ0; Rev 1; 3/09

Complete Audio/Video

Backend Solution

MAX4079

General Description

Features

The MAX4079 filters and buffers video (NTSC/PAL/DVB)

and stereo audio signals from the MPEG decoder of a

cable/satellite receiver, VCR/DVD player, or a TV to an

external load. The MAX4079 has luma-chroma (Y-C)

and composite (CVBS) video inputs with one Y-C and

two CVBS outputs. All video inputs are AC-coupled with

internal DC biasing on the chroma input and active

clamps for the luma and composite.

♦ Integrated Video Reconstruction Filters—6MHz

Lowpass Filter Supports NTSC, PAL, or DVB per

ITU-601

♦ Integrated Video and Audio Amplifiers

♦ Integrated Video Input Clamps and Biasing

♦ Mono Audio and CVBS Output to Drive External

Modulator

The MAX4079 video reconstruction filters have a 6MHz

cutoff frequency and 50dB attenuation at 27MHz. The

filters are matched with flat group delay for standard-

definition video. The video gain is fixed at +6dB to drive

a 75Ω back-terminated load (150Ω) to unity gain. The

video outputs can be either DC- or AC-coupled and are

♦ +5V (Video) and +9V to +12V (Audio) Single-

Supply Operation

♦ Differential/Single-Ended Audio Inputs

♦ 24-Pin TSSOP Package

The MAX4079 audio amplifiers have differential inputs

for optimum performance, but can be used with single-

ended sources with external biasing. The audio chan-

Ordering Information

nels have a fixed gain of +6dB and deliver 2.6V

RMS

PART

TEMP RANGE

PIN-PACKAGE

output with a differential input of 1.ꢀ5V. The audio

amplifiers operate from a +9V to +12V single supply

and feature an internal bias generator. An on-chip

mixer also provides a mono output, with +3dB gain,

derived from the left and right audio channels.

MAX4079CUG+

0°C to +70°C

24 TSSOP

+Denotes lead(Pb)-free package.

Functional Diagram

The MAX4079 is available in 24-pin TSSOP package,

and is fully specified over the 0°C to +70°C commercial

temperature range. The MAX4079 Evaluation Kit is

available to help speed designs.

VVID

AUDV

REXT

FILTER

+6dB

CLAMP

YOUT

YIN

CIN

Applications

Satellite Receivers

Cable Receivers

Home Theater Systems

DVD Players

FILTER

BIAS

COUT

+6dB

NETWORK

CLAMP

CVBSOUT1

FILTER

CVBSIN

CVBSOUT2

ROUT1

+6dB

AV Receivers

Televisions

RINP

RINN

LINP

LINN

+6dB

+3dB

ROUT2

MONO

Pin Configuration appears at end of data sheet.

LOUT1

LOUT2

+6dB

MAX4079

CBYPASS

GAUD

GVID

________________________________________________________________ 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...15

中文翻译

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与MAX4079相关器件

型号	品牌	获取价格	描述	数据表
MAX4079CUG+	MAXIM	获取价格	Complete Audio/Video Backend Solution
MAX4079CUG+T	MAXIM	获取价格	Audio/Video Amplifier, 2 Channel(s), 1 Func, BICMOS, PDSO24, 4.40 MM, LEAD FREE, MO-153AD,
MAX4079CWG+	MAXIM	获取价格	暂无描述
MAX407C/D	MAXIM	获取价格	Voltage-Feedback Operational Amplifier
MAX407CPA	MAXIM	获取价格	Voltage-Feedback Operational Amplifier
MAX407CPA+	MAXIM	获取价格	Operational Amplifier, 2 Func, 4000uV Offset-Max, CMOS, PDIP8, 0.300 INCH, PLASTIC, MS-001
MAX407CSA	MAXIM	获取价格	Voltage-Feedback Operational Amplifier
MAX407CSA+	MAXIM	获取价格	暂无描述
MAX407CSA+T	MAXIM	获取价格	Operational Amplifier, 2 Func, 4000uV Offset-Max, CMOS, PDSO8, PLASTIC, SO-8
MAX407CSA-T	MAXIM	获取价格	Operational Amplifier, 2 Func, 4000uV Offset-Max, CMOS, PDSO8, 0.150 INCH, MS-012AA, SOIC-

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