TEA5762 데이터 시트보기 (PDF) - Philips Electronics
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TEA5762 Datasheet PDF : 32 Pages
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FM-IFI1
FM-IFI2
DATA
FM-IFO1
WRITE-
ENABLE
BUS-
CLOCK
IFGND FMDEM FSI
FM-ON/OFF
37
35
33 29 28 27
17 18 21
39
TUNER
FM
SWITCH
IF1
FM
FM
IF2
DETECTOR
VSTAB(A)
VSTAB(B)
VCC1
VDDD
RIPPLE
COUNTI
38
34
7
STABILIZER
23
1
5
PRESCALER
4
CGND
MULTIPLEXER
XTAL
25
CRYSTAL
26 OSCILLATOR
DGND
SHIFT REGISTER
STATUS
REGISTER
AM/FM
INDICATOR
LAST-STATION
MEMORY
PROGRAMMABLE
COUNTER
FM SEQUENTIAL
AM CIRCUIT
WINDOW
DETECTOR
up
IN-LOCK
down DETECTOR
level
CHARGE
PUMP
hard mute
AFC
AM-RFI
2
AM
FRONT
END
AM
OSCILLATOR
AM
MIXER
AM
IF
AGC
AM
DETECTOR
16
PILOT
DETECTOR
24
19 kHz
12
PLL
9
38 kHz
DECODER
stereo
14
MATRIX
15
stereo mono
SDS
13
MUTE
level
TEA5762
19
20
32
V/I
CONVERTER
6
40 41 36
44
31 30
8 22 10
42
11 3
PILFIL
MO/ST
LFI
VCO
AFLO
AFRO
MUTE
AFC(n)
AFC(p)
AFC
MBE815
AMOSC
AM-MIXER AM-IFI/O2
AM-IFI1
AGC
P1 P0
Fig.1 Block diagram.
TUNE
AFO RFGND MPXI RFGND
VCC2
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