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LA73026AV Datasheet(PDF) 8 Page - Sanyo Semicon Device

Part No. LA73026AV
Description  Double Scart Interface IC
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA73026AV
No.A0239-8/13
Continued from preceding page.
Pin No.
Pin name
Function
DC voltage
Equivalent circuit
30
31
42
43
AOUT2L
AOUT2R
AOUT3L
AOUT3R
Audio output terminal
Push-pull output
Low-Impedance
4.91V
39
40
AOUT1L
AOUT1R
Audio output terminal
Push-pull output
Low-Impedance
4.91V
41
44
PWRMUTE1
PWRMUTE2
Output terminal of audio muting
0V
Power Save
LA73024AV has two supplies 5V for Video part and 12V for audio part and FSS output. LA73024AV separates
perfectly 5V system from 12V system, so it can be individually movement. For example when in the stand-by mode, if
you open 14 pins but 5V supplies 24 and 29 pins, Video part and serial control part work normally. In this case audio
part and FSS output donā€™t work normally. And when you pull up 8pin and open 24 pin , IC chooses automatically video
sw3-B.Consequently Ext input and Decoder output only move , you can save more power dissipation .
Audio Mute
LA73024AV builds in two mute transistors for reduce audio pop-noise when occur at power on and off. You can control
both on serial control and on external parallel control for audio mute.
VCC12V
MUTE:
ON
PGND
AOUT
VCC12V
PGND
AOUT1
VCC12
REG10.5V
Always VCC(5V)
PGND
PWRMUTE




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