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參數(shù)資料
| 型號(hào)： | 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(shù)： | 8/20頁 |
| 文件大?。?/td> | 155K |
| 代理商： | TDA9820T |
1996 Nov 20
8
Philips Semiconductors
Product specification
Multistandard/dual channel TV FM
intercarrier sound demodulator
TDA9820
S
negative slope of free-running frequency
adjustment
negative/positive catching range of PLLs
negative/positive holding range of PLLs
R
11
= 22 k
200
kHz/k
f1
f2
1.4
2.0
1.9
3.0
MHz
MHz
Output amplifiers AF1 (pin 8) and AF2 (pin 7)
V
O
V
o(rms)
DC output voltage
output signal (RMS value)
1.8
0.4
1.2
2.1
0.5
0.7
0.2
0.3
2.5
0.6
1.5
2.0
1.0
V
V
V
mA
mA
dB
dB
dB
clipping level
I
M
I
O
V
o
/V
o
V
o1
/
V
o2
relative drift of AF output signals
V
AF(1-2)
negative/positive difference between
output signals
R
o
output resistance
α
cs(ar)
adjustment range of channel separation
AC peak current
DC source current
absolute drift of AF output signals
T
amb
= 0 to 70
°
C
T
amb
= 0 to 70
°
C
50
μ
s de-emphasis
1.5
100
150
dB
R
s
= 1.1 k
;
R
pot
= 2.2 k
50
μ
s de-emphasis
pin 8
pin 7
50
μ
s de-emphasis;
m = 0.3; f
AM
= 1 kHz
50
μ
s de-emphasis;
in accordance with
“CCIR 468-3”
V
AF(1-2)
=
3 dB
THD
total harmonic distortion
46
0.1
0.25
66
0.3
0.5
%
%
dB
α
AM
AM suppression of AF(1-2)
signal plus noise-to-noise ratio
64
68
dB
AF
resp
LOW-level AF frequency response
HIGH-level AF frequency response
residual sound carrier signal and
harmonics (RMS value)
crosstalk attenuation between
AF outputs
supply voltage ripple rejection
200
50
20
80
Hz
kHz
mV
AM
res(rms)
α
8/7
f = 50 to 12500 Hz
60
70
dB
RR
V
RR
< 200 mV;
f
r
= 20 Hz to 200 kHz
V
P
= 5 V
V
P
= 8 V
f
r
= 20 Hz to 3 kHz;
see Fig.3 and note 2
V
P
= 4.5 V
V
P
= 4.75 V
V
P
= 5.0 V
V
P
= 5.5 V
16
24
20
28
dB
dB
RR
supply voltage ripple rejection with
improved application for V
P
= 5 V
18
21
24
21
24
27
30
27
dB
dB
dB
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
S
N
+
N
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