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PDF TDA9821 Data sheet ( Hoja de datos )
| Número de pieza | TDA9821 | |
| Descripción | Dual channel TV FM intercarrier sound demodulator | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TDA9821 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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INTEGRATED CIRCUITS
DATA SHEET
TDA9821
Dual channel TV FM intercarrier
sound demodulator
Product specification
Supersedes data of March 1991
File under Integrated Circuits, IC02
1996 Nov 20
1 page  
Philips Semiconductors
Dual channel TV FM intercarrier
sound demodulator
Product specification
TDA9821
Second sound carrier mute
The output of the second FM demodulator is muted when
the signal level (signal and/or noise) at pin 15 is less than
typically 0.5 mV (RMS value). This avoids an incorrect
stereo or dual sound identification when a mono signal is
transmitted. Therefore, with a mono transmission, there is
no audio output at pin 7. When the signal level at pin 15 is
greater than typically 1.0 mV (RMS value) mute is
switched off.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
VP
Vi
ts
Tstg
Tj
Tamb
Ves
supply voltage (pin 14)
input signal (pins 1 and 15)
short-circuit time (each pin except pins 13 and 14 to
be tested; one at the time)
storage temperature
device
device in packing
junction temperature
operating ambient temperature
electrostatic handling for all pins
note 1
note 2
Notes
1. Equivalent to discharging a 200 pF capacitor via a 0 Ω series resistor.
2. Equivalent to discharging a 100 pF capacitor via a 1.5 kΩ series resistor.
MIN.
−0.5
−0.5
−
MAX.
+9.0
+5.0
10
UNIT
V
V
s
−25
−25
−
0
−500
−4 000
+125
+85
150
70
+500
+4 000
°C
°C
°C
°C
V
V
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth j-a
thermal resistance from junction to ambient in free air
VALUE
74
UNIT
K/W
1996 Nov 20
5
5 Page 
Philips Semiconductors
Dual channel TV FM intercarrier
sound demodulator
Product specification
TDA9821
handbook, full pagewidth
intercarrier
(1)
R15
n.c. 5.74
MHz
16 15
VP
10 µF
10 nF
2.2 µF
27 kΩ
2.2 µF
2.2 µF
14 13 12 11 10
9
TDA9821
1 2 3 4 5 6 78
MHA427
5.5
MHz
n.c. n.c. n.c. n.c. n.c.
(1)
R1
VAF2
VAF1
(1) Resistor value depends on filter.
Fig.6 Application circuit.
1996 Nov 20
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TDA9821.PDF ] | |
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