TDA6405A datasheet(4/32 Pages) PHILIPS

部件名	TDA6405A

功能描述	5 V mixer/oscillator-PLL synthesizers for hyperband tuners

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

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4 / 32 page

1999 Jan 13

4

Philips Semiconductors

Product speciﬁcation

5 V mixer/oscillator-PLL synthesizers for

hyperband tuners

TDA6404; TDA6405;

TDA6405A

BLOCK DIAGRAM

Fig.1 Block diagram.

The pin numbers in parenthesis represent the TDA6405 and TDA6405A.

handbook, full pagewidth

MGK813

XTAL

OSCILLATOR

4 MHz

REFERENCE

DIVIDER

512, 640, 1024

PRESCALER

DIVIDE BY 8

15-BIT

PROGRAMMABLE

DIVIDER

POWER-ON

RESET

DIGITAL

PHASE

COMPARATOR

CHARGE

PUMP

TUNING

AMPLIFIER

UHF

OSCILLATOR

IF

AMPLIFIER

VHF

OSCILLATOR

RF INPUT

UHF

ELECTRONIC

BAND SWITCH

RF INPUT

VHF

UHF

MIXER

VHF

MIXER

IN-LOCK

DETECTOR

15-BIT

FREQUENCY

REGISTER

5-LEVEL A/D

CONVERTER

GATE

7-BIT CONTROL

REGISTER

LOGIC

OS

T2, T1, T0

BS

CHP

T2

T1

T0 RSA RSB OS

CHP

3-BIT BAND SWITCH

REGISTER

VHFL

VHFH

UHF

I2C-BUS

TRANSCEIVER

FL

fREF 1/2fDIV

FL

TDA6404

TDA6405

TDA6405A

fREF

fDIV

1/2fDIV

RSA

RSB

AS

SDA

SCL

AS

SDA

SCL

(3) 26

(2) 27

(1) 28

(4) 25

(11) 18

(10) 19

(5) 24

(6) 23

(7) 22

(15) 14

(14) 15

(8) 21

16 (13)

2 (27)

1 (28)

4 (25)

3 (26)

12 (17)

11 (18)

10 (19)

BS

BSVHF

BSUHF

5 (24)

17 (12)

IFFIL1

VCC

6 (23)

IFFIL2

13 (16)

7 (22)

8 (21)

9 (20)

(9) 20

UHFOSCIB1

UHFOSCOC1

VT

GND

CP

UHFOSCOC2

UHFOSCIB2

VHFOSCIB2

IFOUT1

IFOUT2

VHFOSCOC1

VHFOSCOC2

VHFOSCIB1

PVHFL

ADC

PVHFH

PUHF

UHFIN1

UHFIN2

VHFIN

RFGND

XTAL

BSVHF

BSUHF

类似零件编号 - TDA6405A

制造商	部件名	数据表	功能描述
NXP Semiconductors	TDA6402	195Kb / 40P	5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners 2000 Jan 24
	TDA6402A	195Kb / 40P	5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners 2000 Jan 24
	TDA6403	195Kb / 40P	5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners 2000 Jan 24
	TDA6403A	195Kb / 40P	5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners 2000 Jan 24

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