TB1311AFG datasheet(1/46 Pages) TOSHIBA

Part #	TB1311AFG

Description	Audio SW, Video SW, Sync Separation and H/V Frequency Counter IC for TVs

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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TB1311AFG

2006-05-29

1

TOSHIBA Bi-CMOS Integrated Circuit

Silicon Monolithic

TB1311AFG

Audio SW, Video SW, Sync Separation and H/V Frequency Counter IC for TVs

The TB1311AFG includes audio and video SW blocks, prefilters

for A/D converters, sync separators, and an H/V format detector for

TV signals.

The TB1311AFG contributes to a reduction in the proportion of the

PCB occupied by LCR filters and to the simplification of designs on

analog interfaces.

The TB1311AFG has an I

2CBUS interface through which various

functions can be controlled.

Features

Audio SW block

・ Audio (L/R) inputs

・ Audio (L/R) output: 3 channels

Audio block

・ Attenuator

Video SW block

・ CVBS inputs

・ Y/C inputs

・ Component video inputs (co-use as RGB inputs)

・ SCART inputs

・ Output: 2 channels

・ Monitor output

Video block

・ Gain switching: -3 dB / 0 dB / +3 dB

・ Bandwidth filter: prefilter for ADC; 4.5 to 46 MHz variable

Sync separation block

・ Supports 525/30p/60i/60p, 625/50i/50p, 750/50p/60p, 1125/24p/24sf/25p/30p/50i/60i/50p/60p, 1250/50i,

VGA @60, SVGA@60, XGA@60, SXGA@60, UXGA@60

・ HD/VD input: 1 channel; positive and negative input acceptable

・ HD/VD output: positive and negative output selectable

・ Masking pseudo-sync for the copyguard signal

Others

・ Line detector for Japanese D-pin

・ S2, S1, insertion detection for S-pin

・ Horizontal and vertical frequency counter

・ Format detection circuit to input signal

・ No-input detection

・ Automatic sync process switching mode

・ Programmable number of audio/video inputs

P-QFP80-1420-0.80C

Weight: 1.6 g (typ.)

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Toshiba Semiconductor	TB1311AFG	1Mb / 46P	Audio SW, Video SW, Sync Separation and H/V Frequency Counter IC for TVs

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