TDA6502 datasheet(6/44 Pages) PHILIPS

tên linh kiện	TDA6502

Giải thích chi tiết về linh kiện	5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners

PDF	44 Pages

Scroll/Zoom	100%

nhà sản xuất	PHILIPS [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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6 / 44 page

2000 Mar 16

Philips Semiconductors

Preliminary speciﬁcation

5 V mixers/oscillators and synthesizers for

cable TV and VCR 2-band tuners

TDA6502; TDA6502A;

TDA6503; TDA6503A

BLOCK DIAGRAM

handbook, full pagewidth

FCE527

REFERENCE

DIVIDER

64, 80, 128

XTAL

OSCILLATOR

4 MHz

15-BIT

PROGRAMMABLE

DIVIDER

15-BIT

FREQUENCY

POWER-DOWN

DETECTOR

PHASE

COMPARATOR

IN-LOCK

DETECTOR

CHARGE

PUMP

OPAMP

T0, T1, T2

T0 RSA RSB OS

CONTROL

I2C-bus / 3-WIRE BUS

TRANSCEIVER

3-BIT ADC

PORT

UHF

VHFH VHFL FMST

fREF

1/2fDIV

fDIV

GATE

RF INPUT

VHF

MIXER

VHF

OSCILLATOR

RF INPUT

UHF

MIXER

UHF

OSCILLATOR

PREAMPLIFIER

T0, T1, T2

RSA

RSB

VHFIN

RFGND

UHFIN1

UHFIN2

XTAL

CE/AS

IFFIL1 IFFIL2

VCC

VHFOSCOC

VHFOSCIB

OSCGND

IFOUT

UHFOSCIB2

UHFOSCOC2

UHFOSCOC1

UHFOSCIB1

GND

FMST

PVHFL

PVHFH

PUHF

LOCK/ADC

3 (26)

4 (25)

1 (28)

2 (27)

18 (11)

14 (15)

13 (16)

11 (18)

12 (17)

15 (14)

9 (20)

8 (21)

7 (22)

10 (19)

(8) 21

(12) 17

(13) 16

(4) 25

(3) 26

(2) 27

(1) 28

(9) 20

(6) 23

(7) 22

(5) 24

19 (10)

6 (23)

5 (24)

SCL

SDA

CE/AS

TDA6502

TDA6502A

(TDA6503)

(TDA6503A)

Fig.1 Block diagram.

The pin numbers in parenthesis represent the TDA6503 and TDA6503A.

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