TEA6821T Philips Semiconductors, TEA6821T Datasheet - Page 10

• Manufacturer Part Number: TEA6821T
• Description: ICE car radio
• Manufacturer: Philips Semiconductors

Philips Semiconductors
PINNING
September 1993
QDET1
QDET2
TSWITCH
GND
V
HFBUS1
HFBUS2
XTAL1
XTAL2
F
F
I
FMIF1IN1
FMIF1IN2
TSDR
TSDS
V
V
FMIF2OUT1
FMIF2OUT2
V
AMIF2OUT1
AMIF2OUT2
FMAMDEC
PHASEDET
PILDET
FMAM10.7
V
REF
REFP
REFN
P5
SDS
SDR
REF
PIF
ICE car radio
SYMBOL
PIN
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
1
2
3
4
5
6
7
8
9
demodulator tank
demodulator tank
time switch
analog ground
5 V supply voltage
HF bus, pull-up to 5 V
HF bus, pull-up to 5 V
crystal oscillator
crystal oscillator
PLL reference frequency
PLL reference frequency
reference current
70 MHz FM-IF input
70 MHz FM-IF input
time constant for SDR
time constant for SDS
SDS control voltage
SDR control voltage
FM mixer output
FM mixer output
reference voltage
AM mixer output
AM mixer output
FM/AM 10.7 MHz decoupling
phase detector
pilot detector
FM/AM 10.7 MHz input
V
P
IF amplifier
DESCRIPTION
10
FMIFAMPOUT
AFGND
DEEMPHR
DEEMPHL
AMIF2IN1
AMIF2IN2
FMIN2
DCFEED
FMIN1
LEVELADJ
C
MPBUF
OUTLEFT
FMSTOP
RDS/AMSTOP
OUTRIGHT
MPXIN
IAC
MPXOUT
AMAFOUT
V
LEVELUNWEIG
I
V
SDA
SCL
BUSGND
V
ACCONTR
MUTAML
PDIG
P8.5
AFC
SYMBOL
IN
PIN
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
FM-IF amplifier output
AF ground
de-emphasis capacitor right
de-emphasis capacitor left
AM IF2 input 1
AM IF2 input 2
FM limiter input
DC feed FM limiter
FM limiter input
level adjust
AFC capacitor
multipath buffer time constant
AF output left
FMSTOP adjust
MPX for RDS/AMSTOP adjust
AF output right
stereo decoder MPX input
IAC input
FM demodulator MPX output
AM demodulator AF output
mute voltage / AM level
level unweighted
IAC control voltage
V
SDA, pull-up to 5 V
SCL, pull-up to 5 V
bus ground
V
P
P
digital
8.5 V
DESCRIPTION
Preliminary specification
TEA6821T