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STMicroelectronics Electronic Components Datasheet

STV6412A Datasheet

AUDIO/VIDEO SWITCH MATRIX

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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 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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STMicroelectronics Electronic Components Datasheet

STV6412A Datasheet

AUDIO/VIDEO SWITCH MATRIX

No Preview Available !

Table of Contents
1 GENERAL OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 PIN CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.1 Thermal Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.2 Latch Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 RECOMMENDED OPERATING CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 AUDIO SECTION CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 VIDEO SECTION CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5 CHROMA SECTION CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.6 BLANKING SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.7 I²C BUS CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 I2C BUS SELECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 I2C BUS ADDRESSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 POWER-ON RESET — BUS REGISTER INITIAL CONDITIONS . . . . . . . . . . . . . . . . . . . 17
4 INPUT/OUTPUT GROUPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5 APPLICATION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6 PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
24
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Part Number STV6412A
Description AUDIO/VIDEO SWITCH MATRIX
Maker ST Microelectronics
Total Page 24 Pages
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