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PDF TEA6820T Datasheet ( Hoja de datos )

Número de pieza TEA6820T
Descripción In Car Entertainment ICE car radio
Fabricantes NXP 
Logotipo NXP Logotipo

Total 30 Páginas
		
TEA6820T Hoja de datos, Descripción, Manual
INTEGRATED CIRCUITS
DATA SHEET
TEA6820T; TEA6822T
In Car Entertainment (ICE) car
radio
Preliminary specification
Supersedes data of 1996 Oct 18
File under Integrated Circuits, IC01
1997 Feb 12

1 page

TEA6820T pdf
Philips Semiconductors
In Car Entertainment (ICE) car radio
Preliminary specification
TEA6820T; TEA6822T
PINNING
SYMBOL
QDET1
QDET2
TSWITCH
AGND
VDDA1
HFBUS1
HFBUS2
XTAL1
XTAL2
fref(p)
fref(n)
Iref
FMIF1IN1
FMIF1IN2
TSDR
TSDS
VSDS
VSDR
FMIF2OUT1
FMIF2OUT2
Vref
AMIF2OUT1
AMIF2OUT2
FMAMDEC
PHASEDET
PILDET
FMAM10.7
VDDA2
PIN DESCRIPTION
1 demodulator tank 1
2 demodulator tank 2
3 time switch input
4 analog ground
5 analog supply voltage 1 (+5 V)
6 HF bus 1 output;
pull-up to +5 V
7 HF bus 2 output;
pull-up to +5 V
8 crystal oscillator 1
9 crystal oscillator 2
10 PLL reference frequency
output (p)
11 PLL reference frequency
output (n)
12 reference current
13 72 MHz FM-IF input 1
14 72 MHz FM-IF input 2
15 time constant for SDR
16 time constant for SDS
17 SDS control voltage input
18 SDR control voltage input
19 FM mixer output 1
20 FM mixer output 2
21 reference voltage output
22 AM mixer output 1
23 AM mixer output 2
24 FM/AM 10.7 MHz decoupling
25 phase detector output
26 pilot detector output
27 FM/AM 10.7 MHz input
28 analog supply voltage 2
SYMBOL PIN
DESCRIPTION
FMIFAMPOUT 29 FM-IF amplifier output
AFGND
30 AF ground
DEEMPHR
31 de-emphasis capacitor right
DEEMPHL
32 de-emphasis capacitor left
AMIF2IN1
AMIF2IN2
FMIN2
33 AM-IF2 input 1
34 AM-IF2 input 2
35 FM limiter input
DCFEED
36 DC feed FM limiter
FMIN1
37 FM limiter input
LEVELADJ
38 level adjustment input
CAFC
MPBUF
39 AFC capacitor
40 multi-path buffer time constant
OUTLEFT
41 AF output left
FMSTOP
42 FMSTOP adjustment input
RDS/AMSTOP 43 MPX for RDS/AMSTOP
adjustment input
OUTRIGHT
44 AF output right
MPXIN
45 stereo decoder MPX input
i.c. 46 internally connected
MPXOUT
47 FM demodulator MPX output
AMAFOUT
48 AM demodulator AF output
Vmute/AML
49 mute voltage/AM level
LEVELUNWEIG 50 unweighted level output
IACCONTR
VDDD
SDA
51 IAC control voltage
52 digital supply voltage
53 serial data input/output;
pull-up to +5 V
SCL 54 serial clock input;
pull-up to +5 V
DGND
55 digital ground
VDDA3
56 analog supply voltage 3
(+8.5 V)
1997 Feb 12
5

5 Page

TEA6820T arduino
Philips Semiconductors
In Car Entertainment (ICE) car radio
Preliminary specification
TEA6820T; TEA6822T
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
ATTACK AND DECAY TIME FOR MUTE VOLTAGE
I49 charge current
discharge current
charge current
discharge current
f muting activated by 60 kHz FM
interference
V43/V47
maximum mute depth by 60 kHz
FM interference
pin 3 connected to GND
pin 3 connected to GND
pin 3 connected to pin 5
pin 3 connected to pin 5
V49 < 3 V; V37-35 = 3 mV;
fmod = 60 kHz
pin 3 connected to GND;
V43/V47 = 9 dB
pin 3 connected to pin 5;
V43/V47 = 6 dB
pin 3 connected to GND
pin 3 connected to pin 5
3.5
4.0
150
170
40
40
15
10
TIME CONSTANT FOR MONO/STEREO BLEND VOLTAGE; note 4
I16 charge current
V37-35 = 3 mV;
pin 3 connected to GND
discharge current
V37-35 = 3 mV;
pin 3 connected to GND
charge current
V37-35 = 3 mV;
pin 3 connected to pin 5
discharge current
V37-35 = 3 mV;
pin 3 connected to pin 5
m mono/stereo blend activated by V16 < 2 V; V37-35 = 3 mV;
20 kHz AM interference
RL16 > 50 M;
fmod = 20 kHz;
data byte 2 bit 5 = 0
pin 3 connected to GND
pin 3 connected to pin 5
data byte 2 bit 5 = 1
pin 3 connected to GND
pin 3 connected to pin 5
f mono/stereo blend activated by V16 < 2 V; V37-35 = 3 mV;
60 kHz FM interference
RL16 > 50 M;
fmod = 60 kHz
pin 3 connected to GND
pin 3 connected to pin 5
0.6
17
23
750
45
45
55
55
50
50
MAX. UNIT
− µA
− µA
− µA
− µA
kHz
kHz
dB
dB
− µA
− µA
− µA
− µA
%
%
%
%
kHz
kHz
1997 Feb 12
11

11 Page


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