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參數(shù)資料
| 型號(hào)： | TDA9812T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | Multistandard VIF-PLL and FM-PLL/AM demodulator |
| 中文描述： | AUDIO/VIDEO DEMODULATOR, PDSO28 |
| 封裝： | PLASTIC, SO-32 |
| 文件頁數(shù)： | 16/32頁 |
| 文件大?。?/td> | 272K |
| 代理商： | TDA9812T |
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1995 Mar 21
16
Philips Semiconductors
Preliminary specification
Multistandard VIF-PLL and
FM-PLL/AM demodulator
TDA9812
S/N (W)
weighted signal-to-noise ratio
FM-PLL only; with 50
μ
s
de-emphasis; 27 kHz
(54% FM deviation);
“CCIR 468-4”
fundamental wave and
harmonics
50
μ
s de-emphasis; AM:
f = 1 kHz; m = 0.3 refer to
27 kHz (54% FM
deviation)
B/G and L standard
FM-PLL in lock mode
55
60
dB
α
c(rms)
residual sound carrier
(RMS value)
AM suppression
75
mV
α
AM
46
50
dB
α
12
V
12
mute attenuation of AF signal
DC jump voltage of AF output
terminal for switching AF output
to mute state and vice versa
power supply ripple rejection at
pin 12
70
75
±
50
±
150
dB
mV
PSRR
R
x
= 470
; see Fig.16
26
30
dB
AF performance for FM operation (B/G standard);
see notes 21, 22 and 23; Table 1
S/N (W)
weighted signal-to-noise ratio
PC/SC ratio at pins 1 and
2; 27 kHz (54% FM
deviation); “CCIR 468-4”
black picture
white picture
6 kHz sine wave (black
to white modulation)
sound carrier
subharmonics;
f = 2.75 MHz
±
3 kHz
27
dB
45
45
40
51
51
46
dB
dB
dB
35
40
dB
AM operation (L standard) (pin 12);
see note 24
V
o AF12(rms)
AF output signal voltage (RMS
value)
total harmonic distortion
54% modulation
400
500
600
mV
THD
54% modulation;
see Fig.15
0.5
1.0
%
B
3
S/N (W)
V
12
3 dB AF bandwidth
weighted signal-to-noise ratio
DC potential voltage
100
47
125
53
1
2
V
P
kHz
dB
V
“CCIR 468-4” see Fig.14
tracked with supply
voltage
see Fig.16
PSRR
power supply ripple rejection
22
25
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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