STV6412BD datasheet(6/32 Pages) STMICROELECTRONICS

部件名	STV6412BD

功能描述	Audio/video switch matrix

PDF	32 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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General information

STV6412B

6/32

Figure 2.

Power supply configuration

VCC12

+12 V supply

BIN_VCR

Blue input from VCR SCART

Table 1.

I/O pin description (continued)

Pin No.

Symbol

Description

9 volt output

CCA (24)

VCCAO (31)

STV6412B

12V

Audio ground

VCC12 (63)

In applications where a 12 volt supply from slow blanking is used to

derive the internal audio 9 volt supply voltage, the VCCAO pin must be

connected to the 12 volt supply as shown in the example. The VCCA

pin will show the regulated 9 volt audio supply voltage which must be

decoupled by capacitors.

In applications having a dedicated audio supply voltage, the VCCAO

pin must be connected together with the VCCA pin to the audio supply

as shown in the example. The VCCA pin acts as power supply input

for the internal audio block.

VCCA (24)

VCCAO (31)

STV6412B

Audio ground

9 volt input

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