TDA6503 데이터 시트보기 (PDF) - Philips Electronics

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TDA6503

5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners

Philips Electronics 

Philips Semiconductors

5 V mixers/oscillators and synthesizers for

cable TV and VCR 2-band tuners

Product specification

TDA6502; TDA6502A;

TDA6503; TDA6503A

handbook, halfpage

UHFIN1 1

28 UHFOSCIB2

UHFIN2 2

27 UHFOSCOC2

VHFIN 3

26 UHFOSCOC1

RFGND 4

25 UHFOSCIB1

IFFIL1 5

24 VHFOSCOC

IFFIL2 6

23 OSCGND

PVHFL 7 TDA6502 22 VHFOSCIB

PVHFH 8 TDA6502A 21 GND

PUHF 9

20 IFOUT

FMST 10

SW 11

19 VCC

18 XTAL

CE/AS 12

17 VT

DA 13

16 CP

CL 14

15 LOCK/ADC

FCE570

Fig.2 Pin configuration for TDA6502 and

TDA6502A.

handbook, halfpage

UHFOSCIB2 1

28 UHFIN1

UHFOSCOC2 2

27 UHFIN2

UHFOSCOC1 3

26 VHFIN

UHFOSCIB1 4

25 RFGND

VHFOSCOC 5

24 IFFIL1

OSCGND 6

23 IFFIL2

VHFOSCIB 7 TDA6503 22 PVHFL

GND 8 TDA6503A 21 PVHFH

IFOUT 9

VCC 10

XTAL 11

20 PUHF

19 FMST

18 SW

VT 12

17 CE/AS

CP 13

16 DA

LOCK/ADC 14

15 CL

FCE571

Fig.3 Pin configuration for TDA6503 and

TDA6503A.

8 FUNCTIONAL DESCRIPTION

8.1 Control mode selection

The device is controlled via the I2C-bus or the 3-wire bus, depending on the voltage applied to pin SW (see Table 2).

A LOW level on pin SW enables the I2C-bus: pins CE/AS, DA and CL are used as address selection (AS), serial data

(SDA) and serial clock (SCL) input respectively.

A HIGH level on pin SW enables the 3-wire bus: pins CE/AS, DA and CL are used as chip enable (CE), data and clock

inputs respectively.

Table 2 Bus format selection

SYMBOL

SW

CE/AS

DA

CL

LOCK/ADC

PIN

TDA6502;

TDA6502A

11

12

13

14

15

TDA6503;

TDA6503A

I2C-BUS MODE

18

LOW-level voltage or ground

17

address selection input

16

serial data input

15

serial clock input

14

ADC input or test output

3-WIRE BUS MODE

HIGH-level voltage or open-circuit

enable input

data input

clock input

lock detector output or test output

2001 Aug 22

8

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