Rainbow-electronics MAX9501 Manuel d'utilisateur télécharger pdf

General Description

The MAX9500/MAX9501 are fully integrated solutions

for filtering and buffering HDTV signals. The MAX9500

operates from a single +5V supply, while the MAX9501

operates from dual ±5V supplies. The MAX9500/

MAX9501 triple-channel video reconstruction filters are

both gain and delay matched and are ideal for use in

set-top boxes, DVD players, and other equipment that

generate analog HDTV outputs.

The MAX9500/MAX9501 interface between the current-

output, digital-to-analog converters (DAC) of an

Advanced Television Standard Committee (ATSC),

Motion Picture Experts Group (MPEG) decoder and the

external connections of a television, set-top box, or

DVD player.

The MAX9500/MAX9501 feature a DC-coupled input with

very low input capacitance and high resistance. The

highly selective lowpass filters remove spectral replicas

at the output of the DAC. The output amplifier has +6dB

of gain to drive 75Ω back-terminated loads to unity gain.

The DC-coupled input eliminates problems such as sync

crush, droop, and field tilt. The output load can be DC- or

AC-coupled, depending on the application.

All three channels in the MAX9500/MAX9501 have the

same frequency response with matched group delay

and gain. The MAX9500/MAX9501 filter response meets

the requirements of the EIA-770.3/SMPTE274M filter

template achieving > 40dB attenuation at 44.25MHz.

The MAX9500/MAX9501 can also be used as an anti-

aliasing filter for HDTV component inputs.

The MAX9500/MAX9501 are available in 16-pin SO and

compact 16-pin QSOP packages, and are fully specified

over the –40°C to +85°C extended temperature range.

Applications

Cable and Satellite Set-Top Box Receivers

A/V Receivers

Home Theater Systems

HDTV Sets

DVD Players

Video Projectors

Digital Displays

Features

♦ 30MHz Bandwidth at ±1.5dB

♦ Extremely Sharp Rolloff, Lowpass Filters

-50dB at 44.25MHz

♦ DC-Coupled Inputs; AC- or DC-Coupled Outputs

♦ ±5V Dual Supply (MAX9501)

♦ 5V Single Supply (MAX9500)

♦ Matched Group Delay and Gain

♦ Drive Single/Double Back-Terminated Loads

(150Ω/75Ω) Directly to Ground

♦ Sink and Source Output Current

♦ High Input Impedance to Interface to Low Output-

Current DAC

♦ 16-Pin SO and QSOP Packages

MAX9500/MAX9501

Triple-Channel HDTV Filters

________________________________________________________________ Maxim Integrated Products 1

Ordering Information

19-3779; Rev 1; 11/05

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.

PART

TEMP RANGE

PIN-

PACKAGE

SUPPLY

VOLTAGE

(V)

MAX9500ESE+*

-40°C to +85°C

16 SO +5

MAX9500EEE+

-40°C to +85°C

16 QSOP +5

MAX9501ESE+*

-40°C to +85°C

16 SO ±5

MAX9501EEE+*

-40°C to +85°C

16 QSOP ±5

Pin Configurations appear at end of data sheet.

+Denotes lead-free package.

*Future product—contact factory for availability.

MAX9500

MAX9501

10-BIT

DAC

150Ω

75Ω

LPF

10-BIT

DAC

150Ω

75Ω

LPF

10-BIT

DAC

150Ω

75Ω

LPF

MPEG

DECODER

+6dB

YOUT

PbOUT

PrOUT

YIN

PbIN

PrIN

GND SUBG

(MAX9500)

0.1µF

(MAX9501)

Typical Operating Circuit

1 2 3 4 5 6 7 8 9 10

Résumé du contenu

Page 1 - Triple-Channel HDTV Filters

General DescriptionThe MAX9500/MAX9501 are fully integrated solutionsfor filtering and buffering HDTV signals. The MAX9500operates from a single +5V s

Page 2 - MAX9500/9501/MAX9501

MAX9500/MAX9501Triple-Channel HDTV FiltersMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxi

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MAX9500/9501/MAX9501Triple-Channel HDTV Filters2 _______________________________________________________________________________________ABSOLUTE MAXIM

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MAX9500/MAX9501Triple-Channel HDTV Filters_______________________________________________________________________________________ 3ELECTRICAL CHARACTE

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MAX9500/MAX9501Triple-Channel HDTV Filters4 _______________________________________________________________________________________ELECTRICAL CHARACTE

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MAX9500/MAX9501Triple-Channel HDTV Filters_______________________________________________________________________________________ 5MAX9500 K2T MEASURE

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MAX9500/MAX9501Triple-Channel HDTV Filters6 _______________________________________________________________________________________MAX9501 K2T MEASURE

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MAX9500/MAX9501Triple-Channel HDTV Filters_______________________________________________________________________________________ 7Detailed Descriptio

Page 9

16151413121110912345678SUBGSUBGVCCYOUTVCCPbOUTVCCPrOUTSUBGTOP VIEWSO/QSOPYINGNDPrINPbINGNDSUBGSUBGMAX9500MAX9500/MAX9501Triple-Channel HDTV Filters8 _

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MAX9500/MAX9501Triple-Channel HDTV Filters_______________________________________________________________________________________ 9Package Information

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Rainbow-electronics MAX9501 Manuel d'utilisateur

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