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AVPRO5002B Datasheet

  • AVPRO5002B

  • Dual SCART A/V Switch

  • 23頁

  • ETC

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AVPro
廬
5002B
Dual SCART A/V Switch
August 2000
DESCRIPTION
The AVPro
廬
5002B device is an audio/video
switching IC that supports an input/output port, an
input only port, and an output only port. The device
includes multiplexers that allow the inputs to be
routed to the outputs in various configurations.
Additional outputs are provided to drive an external
RF modulator. The video outputs of the multiplexers
are buffered to drive 137ohm loads. The audio
outputs are buffered to provide 2 Vrms output into
600 ohms. The 5002B has features optimized for
BSkyB satellite receiver applications, but it can also
be used in other applications that require control of
multiple audio and video sources.
FEATURES
鈥?/div>
Two SCART connections (Auxiliary, TV)
鈥?/div>
Video section
- Integrated output drivers
- RGB, SVHS, composite outputs
- Programmable RGB gain
鈥?/div>
Audio section
- 5-bit audio attenuation, 0 to -31 dB
- Auxiliary tone inputs to support BSkyB
- Ground based outputs (no AC coupling caps)
2
鈥?/div>
Serial port control of switching I C bus
鈥?/div>
64-lead LQFP package
ABLANK
EBLANK
Aux_R
Enc_R
Enc_C
Aux_G
Enc_G
Aux_B
Enc_B
Aux_Cout
Enc_Y
Enc_YC
Aux_YC
Other I/O
SCLK
SDATA
Audio1
Audio2
Aux_Lin
Aux_Rin
Lin
Rin
Serial
Port
Volume
Control
Aux_YCout
Aux_Fnc
TV_Fnc
DO_0
DO_1
Rout
Lout
TV_Rout
TV_Lout
BLANK
TV_R
TV_G
TV_B
TV_YCout
Mux
+12VDC
BLOCK DIAGRAM
+5VDC
+5VDC
+5VDC
+5VDC
-5VDC
-5VDC
-5VDC
Mod_YC
Mux
Aux_Lout
Aux_Rout
Mod_mono
Support
Circuits
GND
GND
GND
GND
Rbias
Vref
Tgen
1

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