Datasheet > MAX7470

MAX7470

更新时间： 2024-11-27 04:41:43

品牌	Logo	应用领域
美信 - MAXIM		电视
页数	文件大小	规格书
17页	803K
描述
HDTV Continuously Variable Anti-Aliasing Filters

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MAX7470 数据手册

19-0548; Rev 0; 5/06

HDTV Continuously Variable

Anti-Aliasing Filters

69/MAX470

General Description

Features

ꢀ Continuously Variable Anti-Aliasing Filter

The MAX7469/MAX7470 triple-channel, anti-aliasing fil-

ters and buffers are ideal for high-definition (HD) and

standard-definition (SD) television (TV) applications.

Compatible with 1080i, 720p, 720i, 480p, and 480i

scanning system standards and computer format sig-

nals, the MAX7469/MAX7470 support component video

5MHz to 34MHz in 256 Steps

ꢀ Supports All Standard Video and Computer Input

Formats

480i, 480p, 720i, 720p, 1080i

QVGA, VGA, SVGA, XGA, SXGA, UXGA

Y P P , G BR, RGBHV, Y/C, CVBS

(Y P P , G BR, and RGBHV), as well as composite

(CVBS) and S-video (Y/C).

ꢀ Accepts Any Input Sync Format

Sync on Y, Sync on G, External Sync (Positive

or Negative)

The MAX7469/MAX7470 limit the input bandwidth for

anti-aliasing and out-of-band noise reduction prior to

digital conversion by an ADC or video decoder. The

MAX7469/MAX7470 frequency response can be contin-

uously varied in 256 linear steps through an I²C* inter-

face from below SD resolution to beyond HD resolution.

Sync on All Channels

ꢀ Buffered Outputs Drive Standard 150Ω Video

Load

The output buffers of the MAX7469/MAX7470 drive a

0dB (MAX7469)

+6dB (MAX7470)

video signal into a standard 150Ω load. The inputs

P-P

are AC-coupled, and the outputs can be either DC- or

AC-coupled. The MAX7469 has a gain of 0dB, and the

MAX7470 has a gain of +6dB. Both devices are available

in a 20-pin TQFN package and are fully specified over

the 0°C to +85°C upper-commercial temperature range.

ꢀ DC- or AC-Coupled Outputs

ꢀ Single +5V Analog and +3.3V Digital Supplies

ꢀ 5mW Power-Down Mode

ꢀ 20-Pin TQFN Lead-Free Package

Applications

HDTV (LCD, PDP, DLP, CRT)

Set-Top Boxes

Personal Video Recorders

Home Theaters

*Purchase of I C components from Maxim Integrated Products,

Inc., or one of its sublicensed Associate Companies, conveys a

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

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

I C Standard Specification defined by Philips.

Pin Configuration

TOP VIEW

Ordering Information

OUT1

IN1 16

GND 17

IN2 18

BUFFER

PKG

PART

PIN-PACKAGE

GAIN (dB)

CODE

MAX7469UTP+

20 TQFN-EP*

T2055-4

OUT2

MAX7469

MAX7470

MAX7470UTP+**

GND

IN3

Note: All devices are specified over the 0°C to +85°C operating

temperature range.

+ Indicates lead-free packaging.

*EP

OUT3

*EP = Exposed pad.

**Future product—contact factory for availability.

TQFN (5mm x 5mm)

*EXPOSED PAD.

SEE PIN DESCRIPTION FOR CONNECTION.

Typical Operating Circuit appears 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...17

中文翻译

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与MAX7470相关器件

型号	品牌	获取价格	描述	数据表
MAX7470UTP	MAXIM	获取价格	HDTV Continuously Variable Anti-Aliasing Filters
MAX7470UTP+	MAXIM	获取价格	HDTV Continuously Variable Anti-Aliasing Filters
MAX7472	MINILOGIC	获取价格	HDTV Anti-Aliasing Filters with Triple-Input Mux
MAX7472UTI	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Lowpass, BICMOS, 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGE,
MAX7472UTI+	MINILOGIC	获取价格	HDTV Anti-Aliasing Filters with Triple-Input Mux
MAX7472UTI+	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Lowpass, BICMOS, 4 X 4 MM, 0.80 MM HEIGHT, ROHS COMPLIA
MAX7473	MINILOGIC	获取价格	HDTV Anti-Aliasing Filters with Triple-Input Mux
MAX7473UTI+	MINILOGIC	获取价格	HDTV Anti-Aliasing Filters with Triple-Input Mux
MAX7474	MAXIM	获取价格	Adaptive Equalizer for Video Over Twisted Pair
MAX7474EAE	MAXIM	获取价格	Adaptive Equalizer for Video Over Twisted Pair

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