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