STV6412A(2003) データシートの表示（PDF） - STMicroelectronics

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STV6412A
(Rev.:2003)

AUDIO/VIDEO SWITCH MATRIX

STMicroelectronics 

STV6412A

AUDIO/VIDEO SWITCH MATRIX

FEATURES

s I²C Bus Control

s Standby Mode with Interrupt Signal Output

s Video Section

– 4 CVBS Inputs, 3 CVBS Outputs (one with

Selectable Chroma Trap Filter)

– 3 Y/C Inputs, 2 Y/C Outputs

– 6 dB Gain on all CVBS/Y and C Outputs

– Integrated 150 Ω Buffers

– 1 Y/C Adder

– 2 RGB/FB Inputs, 1 Tri-state RGB/FB Output

with 6 dB Adjustable Gain (from +3dB to

+9dB)

– Video Muting on all Outputs

– 2 Slow Blanking Inputs/Outputs

– Sync Bottom Clamp on all CVBS/Yand RGB

Inputs, Average Clamp on C Inputs

– Bandwidth: 15 MHz

– Crosstalk: 50 dB Minimum

s Audio Section

– 4 Stereo Inputs, 3 Stereo Outputs

– 1 Mono-Sound Output

– Stereo-to-Mono Sound Capability

– 0/6/9 dB Selectable Gain on one Stereo Input

– Full Range Volume Control with Soft Control

– Audio Muting on all Outputs

DESCRIPTION

The STV6412A is a highly integrated I²C bus-con-

trolled audio and video switch matrix, optimized

for use in digital set-top box applications. It pro-

vides all the audio and video routings required in a

full two SCART set-top box design.

TQFP64

(14 x 14 x 1.40 mm)

(Thin Full Plastic Quad Flat Pack)

ORDER CODE: STV6412ADT

September 2003

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