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參數(shù)資料
| 型號(hào)： | TDA9821 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | dual channel TV FM intercarrier sound demodulator(雙頻道TV FM內(nèi)載波音解調(diào)器) |
| 中文描述： | FM, AUDIO DEMODULATOR, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MO-001AE, SOT-38-1, DIP-16 |
| 文件頁(yè)數(shù)： | 6/16頁(yè) |
| 文件大?。?/td> | 121K |
| 代理商： | TDA9821 |
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1996 Nov 20
6
Philips Semiconductors
Product specification
Dual channel TV FM intercarrier
sound demodulator
TDA9821
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, 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
Limiter-amplifier 1
V
1
R
1
V
1(rms)
DC input voltage
input resistance
input signal (RMS value)
2.25
480
2.5
600
150
2.75
720
250
V
μ
V
allowed input signal (RMS value)
200
mV
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)
mute hysteresis
input resistance
0.7
200
8
480
1.0
12
600
1.5
16
720
mV
mV
dB
V
15
R
15
PLL FM demodulators VCO1 and VCO2
f
VCO1
f
VCO2
f
fr
free-running frequency
free-running frequency
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)
negative slope of free-running frequency
adjustment
negative/positive catching range of PLLs
negative/positive holding range of PLLs
R
11
= 27 k
R
11
= 27 k
5.5
5.7
10
MHz
MHz
%
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
kHz
kHz
MHz
R
11
15
29
k
S
R
11
= 22 k
200
kHz/k
f1
f2
1.4
2.0
1.9
3.0
MHz
MHz
S
N
+
N
40 dB
=
S
N
+
N
40 dB
=
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