STV6412B Datasheet, PDF (1/32 Pages) STMicroelectronics – Audio/video switch matrix

STV6412B
Audio/video switch matrix
Features
■ I²C bus control
■ Standby mode with interrupt signal output
■ Video section
– 4 CVBS inputs, 3 CVBS outputs (one with
selectable chroma trap filter)
– 3 Y/C inputs, 2 Y/C outputs
– Switchable LPFs (low pass filters) on 6
inputs
– 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 +3 dB to
+9 dB)
– Video muting on all outputs
– 2 slow blanking inputs/outputs
– Sync bottom clamp on all CVBS/Y and
RGB inputs, average clamp on C inputs
– SVHS switch on C VCR output
– Bandwidth: 15 MHz
– Crosstalk: 50 dB minimum
■ 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
LQFP64
(14 × 14 × 1.40 mm)
(Low-profile Quad Flat Pack)
Marking:
STV6412BD
Description
The STV6412B is a highly integrated I²C bus-
controlled audio and video switch matrix,
optimized for use in digital set-top box
applications. It provides all the audio and video
routings required in a full two-SCART set-top box
design.
In an LQFP64 (14 × 14 × 1.4 mm) package, the
STV6412B is compatible with the STV6412A.
Table 1: Device summary
Order code
Packaging
STV6412BD
STV6412BDT
Tray
Tape and reel
July 2008
Rev 1
1/32
www.st.com
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