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參數資料
| 型號： | TDA9820T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | Multistandard/dual channel TV FM intercarrier sound demodulator |
| 中文描述： | FM, AUDIO DEMODULATOR, PDSO16 |
| 文件頁數： | 7/20頁 |
| 文件大?。?/td> | 155K |
| 代理商： | TDA9820T |
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); V
P
= 5 V; T
amb
= 25
°
C;
f
i
=
±
50 kHz; f
mod
= 1 kHz;
V
1, 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)
V
P
I
P
supply voltage
supply current
4.5
23
5.0
30
8.8
37
V
mA
Source selector and limiter-amplifier 1 (pins 1, 2, 3 and 16)
V
I
DC input voltage
activated input
not activated input
activated input
not activated input
2.25
480
2.5
600
150
2.75
0.1
720
600
250
V
V
μ
V
R
I
input resistance
V
i(rms)
input signal (RMS value)
allowed input signal (RMS value)
crosstalk attenuation
200
40
50
mV
dB
α
ct
not activated input to
activated input
Limiter-amplifier 2
V
15
V
15(rms)
DC input voltage
input signal (RMS value)
2.25
2.5
150
2.75
250
V
μ
V
; note 1
input signal for mute off (RMS value)
allowed input signal (RMS value)
input resistance
hysteresis of level detector
0.7
200
480
8
1.0
600
12
1.5
720
16
mV
mV
dB
R
15
δ
PLL FM demodulators VCO1 and VCO2
f
VCO1
free-running frequencies
R
11
= 27 k
;
see Table 1
4.5
5.5
6.0
6.5
4.7
5.7
6.7
10
MHz
MHz
MHz
MHz
MHz
MHz
MHz
%
f
VCO2
free-running frequencies
R
11
= 27 k
;
see Table 1
f
fr
negative/positive free-running
frequency spread
drift of free-running frequencies
shift of free-running frequencies
negative/positive adjustment range of
free-running frequencies
adjustment resistance for free-running
frequencies (pin 11)
D/
f
fr
f
fr(shift)
f
fr(ar)
T
amb
= 0 to 70
°
C
4.5 V < V
P
< 8.8 V
R
11
= 22 k
1
500
200
750
300
kHz
kHz
MHz
R
11
15
29
k
S
N
+
N
40 dB
=
S
N
+
N
40 dB
=
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| TDA9820T/V1,112 | 制造商:NXP Semiconductors 功能描述:MULTISTD TV FM SOUND DEMOD - Rail/Tube |
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| TDA9829T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Downconverter for DVB |
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