TDA9840 데이터 시트보기 (PDF) - Philips Electronics

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TDA9840

TV and VTR stereo/dual sound processor with digital identification and I2C-bus control

Philips Electronics 

Philips Semiconductors

TV and VTR stereo/dual sound processor

with digital identification and I2C-bus control

PINNING

SYMBOL PIN

DESCRIPTION

SDA

1 I2C-bus data input/output

CAGC

CLP

2 AGC capacitor of pilot frequency amplifier

3 identification low-pass capacitor

CDCL

Vi pil

Cref

4 DC loop capacitor

5 pilot frequency input voltage

6 capacitor of reference voltage (1⁄2VP)

Vi 1

7 AF input signal Vi 1 (from 1st sound carrier)

Vi 2

8 AF input signal Vi 2 (from 2nd sound carrier)

Vi 3

9 AF input signal Vi 3 (NICAM or AM sound (standard L))

Vi 4

10 AF input signal Vi 4 (NICAM)

Vo 4

11 AF output signal Vo 4 (SCART)

Vo 3

12 AF output signal Vo 3 (SCART)

Vo 2

13 AF output signal Vo 2 (main)

Vo 1

14 AF output signal Vo 1 (main)

CD1

15 50 µs de-emphasis capacitor of AF Channel 1

GND

16 ground (0 V)

CD2

17 50 µs de-emphasis capacitor of AF Channel 2

VP

18 supply voltage (+5 to +8 V)

XTAL

19 10 MHz crystal input

SCL

20 I2C-bus clock input

Product specification

TDA9840

fpage

SDA 1

20 SCL

CAGC 2

19 XTAL

CLP 3

18 VP

CDCL 4

17 CD2

Vi pil 5

Cref 6

16 GND

TDA9840

15 CD1

Vi 1 7

14 Vo 1

Vi 2 8

13 Vo 2

Vi 3 9

12 Vo 3

Vi 4 10

11 Vo 4

MBE459

Fig.3 Pin configuration.

1998 Jul 03

6

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