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PDF TDA9847 Data sheet ( Hoja de datos )
| Número de pieza | TDA9847 | |
| Descripción | TV and VTR stereo/dual sound processor with digital identification | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
TDA9847
TV and VTR stereo/dual sound
processor with digital identification
Preliminary specification
Supersedes data of September 1993
File under Integrated Circuits, IC02
1995 May 23
1 page  
Philips Semiconductors
TV and VTR stereo/dual sound processor
with digital identification
PINNING
SYMBOL PIN
DESCRIPTION
C1 1 control input Port C1
C2 2 control input Port C2
C4 3 control input Port C4
CAGC
CLP
CDCL
Vi pil
Cref
Vi1
4 AGC capacitor of pilot frequency amplifier
5 identification low-pass capacitor
6 DC loop capacitor
7 pilot frequency input voltage
8 capacitor of reference voltage (1⁄2VP)
9 AF input signal voltage 1 [from sound carrier 1 or
AM sound (standard L)]
Vi2
Vi3
Vi4
Vo2
Vo1
Vo4
Vo3
CD1
LEDDU
10 AF input signal voltage 2 (from sound carrier 2)
11 AF input signal voltage 3 (SCART)
12 AF input signal voltage 4 (SCART)
13 AF output signal voltage 2 (main)
14 AF output signal voltage 1 (main)
15 AF output signal voltage 4 (SCART)
16 AF output signal voltage 3 (SCART)
17 50 µs de-emphasis capacitor of AF Channel 1
18 LED (dual)
LEDST
19 LED (stereo)
GND
CD2
VP
XTAL
20 ground (0 V)
21 50 µs de-emphasis capacitor of AF Channel 2
22 supply voltage (5 to 8 V)
23 10 MHz crystal input
C3 24 control input Port C3
Preliminary specification
TDA9847
C1 1
24 C3
C2 2
23 XTAL
C4 3
22 VP
CAGC 4
21 CD2
CLP 5
20 GND
CDCL 6
Vi pil 7
19 LEDST
TDA9847
18 LEDDU
Cref 8
Vi1 9
Vi2 10
Vi3 11
Vi4 12
17 CD1
16 Vo3
15 Vo4
14 Vo1
13 Vo2
MED805
Fig.3 Pin configuration.
1995 May 23
5
5 Page 
Philips Semiconductors
TV and VTR stereo/dual sound processor
with digital identification
Preliminary specification
TDA9847
SYMBOL
PARAMETER
CONDITIONS
αcr
αmute
∆VDC
PSRR
IO(DC)
crosstalk attenuation for
dual
stereo
mute attenuation
change of DC level output
voltage between any two
modes of operation
power supply ripple rejection
DC output current
notes 1 and 3
Zs ≤ 1 kΩ
Zs ≤ 1 kΩ
Zs ≤ 1 kΩ; note 1
after switching
fr = 70 Hz; see Fig.9
10 MHz crystal oscillator (pin 23)
fr
fosc
Rxtal
Rn
C0
C1
Pxtal
Vosc(p-p)
series resonant frequency of
crystal (fundamental mode)
operating oscillator frequency
(running in parallel resonance
mode)
equivalent crystal series
resistance
crystal series resistance of
unwanted mode
crystal parallel capacitance
crystal motional capacitance
level of drive in operation
oscillator operating voltage
(peak-to-peak value)
CL = 20 pF
over operating
temperature range
including ageing and
influence of drive
circuit
even at extremely low
drive level (<1 pW)
over operating
temperature range
with C0 = 6 pF
with Rr ≤ 100 Ω
Pilot processing
Vi pil(rms)
Ri pil
Ci pil
m
pilot input voltage level at pin 7
(RMS value)
pilot input resistance
pilot input capacitance
modulation depth
unmodulated
AM
MIN.
70
40
76
−
50
−
9. 995
9. 988
−
2 × Rr
−
−
−
500
5
500
−
25
TYP.
75
45
80
−
65
−
10 .008
10 .008
60
−
6
25
−
550
−
1 000
−
50
MAX.
−
−
−
±10
−
±20
10. 021
10. 028
200
−
10
50
5
600
100
−
3
75
UNIT
dB
dB
dB
mV
dB
µA
MHz
MHz
Ω
Ω
pF
fF
µW
mV
mV
kΩ
pF
%
1995 May 23
11
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet TDA9847.PDF ] | |
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