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TDA9820 Folha de dados(PDF) 7 Page - NXP Semiconductors

Nome de Peças TDA9820
Descrição Electrónicos  Multistandard/dual channel TV FM intercarrier sound demodulator
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Fabricante Electrônico  PHILIPS [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA9820 Folha de dados(HTML) 7 Page - NXP Semiconductors

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1996 Nov 20
7
Philips Semiconductors
Product specification
Multistandard/dual channel TV FM
intercarrier sound demodulator
TDA9820
CHARACTERISTICS
All voltages are measured to GND (pin 13); VP =5V; Tamb =25 °C; ∆fi = ±50 kHz; fmod = 1 kHz;
V1, 2, 3, 16/15 = 10 mV (RMS value); measurements taken in Fig.5; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply (pin 14)
VP
supply voltage
4.5
5.0
8.8
V
IP
supply current
23
30
37
mA
Source selector and limiter-amplifier 1 (pins 1, 2, 3 and 16)
VI
DC input voltage
activated input
2.25
2.5
2.75
V
not activated input
−−
0.1
V
RI
input resistance
activated input
480
600
720
not activated input
−−
600
Vi(rms)
input signal (RMS value)
150
250
µV
allowed input signal (RMS value)
200
−−
mV
αct
crosstalk attenuation
not activated input to
activated input
40
50
dB
Limiter-amplifier 2
V15
DC input voltage
2.25
2.5
2.75
V
V15(rms)
input signal (RMS value)
; note 1
150
250
µV
input signal for mute off (RMS value)
0.7
1.0
1.5
mV
allowed input signal (RMS value)
200
−−
mV
R15
input resistance
480
600
720
δ
hysteresis of level detector
8
12
16
dB
PLL FM demodulators VCO1 and VCO2
fVCO1
free-running frequencies
R11 =27kΩ;
see Table 1
4.5
MHz
5.5
MHz
6.0
MHz
6.5
MHz
fVCO2
free-running frequencies
R11 =27kΩ;
see Table 1
4.7
MHz
5.7
MHz
6.7
MHz
∆ffr
negative/positive free-running
frequency spread
−−
10
%
D/
∆f
fr
drift of free-running frequencies
Tamb = 0 to 70 °C
500
750
kHz
∆ffr(shift)
shift of free-running frequencies
4.5 V < VP < 8.8 V
200
300
kHz
∆ffr(ar)
negative/positive adjustment range of
free-running frequencies
R11 =22kΩ
1
−−
MHz
R11
adjustment resistance for free-running
frequencies (pin 11)
15
29
k
SN
+
N
--------------
40 dB
=
SN
+
N
--------------
40 dB
=


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