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PDF TEA6824 Data sheet ( Hoja de datos )
| Número de pieza | TEA6824 | |
| Descripción | In Car Entertainment ICE car radio | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
TEA6824T
In Car Entertainment (ICE) car
radio
Preliminary specification
Supersedes data of 1996 Nov 04
File under Integrated Circuits, IC01
1997 May 05
1 page  
Philips Semiconductors
In Car Entertainment (ICE) car radio
Preliminary specification
TEA6824T
PINNING
SYMBOL
QDET1
QDET2
REFIN1
AGND
VDDA1
HFBUS1
HFBUS2
XTAL1
XTAL2
fref(p)
fref(n)
Iref
FMIF1IN1
FMIF1IN2
REFIN2
REFIN3
REFIN4
REFIN5
FMIF2OUT1
FMIF2OUT2
Vref
AMIF2OUT1
AMIF2OUT2
FMAMDEC
DEC1
DEC2
FMAM10.7
VDDA2
PIN DESCRIPTION
1 demodulator tank 1
2 demodulator tank 2
3 reference input 1
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 input
13 72 MHz FM-IF input 1
14 72 MHz FM-IF input 2
15 reference input 2
16 reference input 3
17 reference input 4
18 reference input 5
19 FM mixer output 1
20 FM mixer output 2
21 reference voltage input
22 AM mixer output 1
23 AM mixer output 2
24 FM/AM 10.7 MHz
decoupling input
25 decoupling 1
26 decoupling 2
27 FM/AM 10.7 MHz input
28 analog supply voltage 2
SYMBOL
FMIFAMPOUT
n.c.
n.c.
n.c.
AMIF2IN1
AMIF2IN2
FMIN2
DCFEED
FMIN1
LEVELADJ
CAFC
MPBUF
n.c.
FMSTOP
MPXOUT
n.c.
n.c.
n.c.
n.c.
AMAFOUT
DEC3
LEVELUNWEIG
n.c.
VDDD
SDA
SCL
DGND
VDDA3
PIN DESCRIPTION
29 FM-IF-amplifier output
30 not connected
31 not connected
32 not connected
33 AM-IF2 input 1
34 AM-IF2 input 2
35 FM limiter input 2
36 DC feed FM limiter
37 FM limiter input 1
38 level adjustment
39 AFC capacitor
40 multi-path buffer time
constant
41 not connected
42 FMSTOP adjustment
43 FM demodulator MPX
output
44 not connected
45 not connected
46 not connected
47 not connected
48 AM demodulator AF output
49 decoupling 3
50 level unweighted output
51 not connected
52 digital supply voltage
(+5 V)
53 serial data input/output;
pull-up to +5 V; I2C-bus
54 serial clock input;
pull-up to +5 V; I2C-bus
55 digital ground
56 analog supply voltage 3
(+8.5 V)
1997 May 05
5
5 Page 
Philips Semiconductors
In Car Entertainment (ICE) car radio
Preliminary specification
TEA6824T
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Ibias(22-23)
ILI(22-23)
mixer bias current pins 22 and 23
mixer leakage current
pins 22 and 23
in FM position
56
−−
7 mA
2 µA
I22IF2/V27-24IF1
Ri(27-24)
Ci(27-24)
Ro(22-23)
Co(22-23)
IP3
conversion gain
input resistance between
pins 27 and 24
input capacitance between
pins 27 and 24
output resistance between
pins 22 and 23
output capacitance between
pins 22 and 23
third order intermodulation
2.2 2.7
300 330
−5
10 20
−5
− 137
3.4 mS
360 Ω
8 pF
− kΩ
10 pF
− dBµV
AM DETECTOR; see notes 4 and 5
V48-4(rms)
V33-34(rms)
AF output level (RMS value)
sensitivity voltage (RMS value)
RL48 > 500 kΩ;
100 µV ≤ V33-34 ≤ 300 mV
S------N+-----N--- = 26 dB
190
−
240
50
290 mV
75 µV
S------N+-----N--- = 46 dB
− 200
400 µV
Ri(33-34)
Ci(33-34)
Ro48
Co48
S------N+-----N---
AM-IF2 minimum input voltage
(RMS value)
AM-IF2 maximum input voltage
(RMS value)
IF2 input resistance between
pins 33 and 34
IF2 input capacitance between
pins 33 and 34
output resistance pin 48
output capacitance pin 48
signal-plus-noise-to-noise ratio
THD ≤ 5%; m = 0.8
THD ≤ 5%; m = 0.8
−−
800 −
1.8 2.0
− 10
27 33
−−
54 60
100 µV
− mV
2.2 kΩ
15 pF
39 kΩ
10 pF
− dB
THD
total harmonic distortion
m = 0.8;
−
300 µV ≤ V33-34 ≤ 200 mV
1.5
3.0 %
Notes to the Characteristics
1. For typical adjusting range see Fig.8.
2. fIF1 = 10.7 MHz; fIF2 = 450 kHz for AM mixer.
3. The AM oscillator signal is generated by division of the 61.5 MHz crystal oscillator. Two divider ratios programmable
by the I2C-bus: division by 6 (AM-IF1 = 10.7 MHz); division by 2 (AM-IF1 = 30 MHz).
4. For typical AM level curve see Fig.10.
5. For AM detector; fAMIF2 = 450 kHz; fmod = 400 Hz; m = 30%.
1997 May 05
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TEA6824.PDF ] | |
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