tda7513t STMicroelectronics, tda7513t Datasheet - Page 8

• Manufacturer Part Number: tda7513t
• Description: Single-chip Fm/am Tuner With Stereo Decoder And Audio Processor
• Manufacturer: STMicroelectronics

Block diagrams
1
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Block diagrams
Figure 1.
Figure 2.
AMAGC1VOUT
AMAGC1IOUT
FMAGCVOUT
FMAGCIOUT
FMWAGCIN
AMAG1CTC
FMANTADJ
FMMIX1IN+
FMMIX1IN-
AMMIX1IN+
AMMIX1IN-
TUNERIN
RDSMUTE
FMRFADJ
OSCGND
IN1COM
OSCVCC
IN2COM
DIGGND
DIGVCC
RFGND
LFREF
LFOUT
VCOB
VCOE
LFHC
IN1R
IN1L
IN2R
SDA
SCL
IN2L
LFIN
Tuner section
Stereo decoder / audio processor section
sfSF
4,6,8,10
MIX1
MIX1
AGC1
BUS
AGC
VCO
AM
FM
DIV
AM/FM R
I
AM/FM L
AM
FM
2
C
PLL
ADJ
FM
FE
RDSMUTE
GAIN
SDAint
SCLint
ACKint
IN
fFS
IFT1ADJ
XTAL
OSC
400K
10.25M
450K
ADJUST
LEVEL
GAIN
GAIN
IN
IN
REF
3V
MIX2
AM
AMP1
FM
AUTO
ZERO
AUTO
ZERO
IFT2ADJ
Level Det
Noise Det
10.7M
DevDet
PILOT
CANC
PILOT DETECTOR
MUTE
SOFT
METER
PLL
AM/
DischTime
FM
BLANKER
FS
AMP2
NOISE
Const
FM
AMP2
ROLL-OF
ufFS
AM
COMP
i
mute
VOL
450K
ST. BLEND HI-CUT
MIX2
ST.BLEND
FM
DEMOD
stereo
TREBLE
CONTROL
DEM
ufFS
fFS
AM
DEMOD
FM
450K
MID
SMETER
OverDevDet
QUALITY
FILTER
MPathDet
AdjChDet
QUALITY
DET
10.25M
ufFS
BASS
AGC2
AM
SMETER
MPATH
SLIDER
fFS
HIGH
IFC
CUT
DET
fFS
+
ISS
ufFS
AdjChDet
fFS
SoftMute
RDSMUTE
AUDIO
AMP
MUTE
BUS
ufFS
I
sfFS
AM/FM L
AM/FM R
REF
2
5V
C
SPKR
SPKR
SPKR
SPKR
SD
SDAint
SCLi nt
ACKint
TDA7513T
VREF5V
FMMUTETC
MPATHTC
QUALITY
ACLOUT
ACLIN
OUTRL
OUTFL
OUTFR
OUTRR
ACRIN
ACROUT
ISSTC
DEVTC
TUNQUALITY
TUNEROUT
DEMGND
FMDEMREF
SD