TEF6902AH datasheet(4/106 Pages) NXP

Part #	TEF6902AH

Description	Integrated car radio

Download	106 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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4 / 106 page

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Fig 1.

Block diagram of TEF6902AH

reset

hold

fast

readhold

008aaa010

61

vco

62

63

1

2

3

pll

i.c.

vcm

vtc

4

5

6

7

10

11

12

8

9

13

rf

i.c.

dc

mix1

if1

14

15

16

17

18

19

22

23

24

25

30

31 32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

52

53

54

55

56

57

58

59

60

50

51

30

32

21

iAM

iFM

64

CPOUT

VCOGND

VCOTNK

VCOFDB

VCCVCO

VTUNE

VCCPLL

PLLGND

i.c.

VTCM

VTC

DAAOUT

FMMIX1IN1

FMMIX1IN2

IFMAGC

TRFAGC

VCCRF

RFGND

IAMAGC

i.c.

VDCPIN

VAMCASFB

VAMCAS

AMMIX1REF

MIX1OUT2

TAMIFKAGC

AMIF2IN

V60

VREF

GND

VCC

LEVEL

DGND1

i.c.

DGND2

SDA

SCL

ADDR

RROUT

LROUT

RFOUT

LFOUT

AGND

IND

INC

INBR

INBL

INAC

INAR

INAL

MPXAMIN

MPXAMOUT

XTAL1

XTAL2

MIX1OUT1

IFGND

AMIF2DEC

TEF6902AH

FM

STEREO

DECODER

AM NOISE

DETECTOR

FM NOISE

DETECTOR

NOISE

BLANKER

HIGH

CUT

SNC

MULTIPATH,

LEVEL,

ADJACENT CHANNEL,

MODULATION AND

OFFSET

DETECTION

WEAK SIGNAL AND

FM BANDWIDTH

CONTROL LOGIC

HCC

BW

SM

INPUT

SELECT

DE-EMPHASIS

50

µs/75 µs

INPUT GAIN,

VOLUME,

BALANCE,

MUTE

LOUDNESS,

BASS,

TREBLE

I2C-BUS

TUNING

STATE

MACHINE

FM

DEMODULATOR

AM IF NOISE

DETECTOR

FM/AM

RF AGC

CASCODE

CONTROL

IF COUNT

AUDIO STEP INTERPOLATION

F/R

FADER

DIV

fREF

Φ

PLL

÷N

BAND

÷M

÷2

LO2 90

°

soft mute

tuning

mute

ana

dig2

dig1

vcc

gnd

vref

6v

swap

snc

hcc

LO1 90

°

ifbw

90

°

90

°

antenna DAA

LEVEL

USN

MOD

WAM

OFFS

i.c.

AM

DEMODULATOR

26

27

28 29

IF1DEC

AMMIX2OUT1

IF1IN

AMMIX2OUT2

MIXER

LO2

90

°

MIXER

LO2

21

20

AMMIX1DEC

AMMIX1IN

LO1

MIXER

LO1

90

°

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TEF6902AH Datasheet(PDF) 4 Page - NXP Semiconductors

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