參數(shù)資料
型號: STV8267
廠商: 意法半導體
英文描述: Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
中文描述: 數(shù)字音頻解碼器/處理器為A2和麗音電視/錄像機
文件頁數(shù): 133/149頁
文件大?。?/td> 2775K
代理商: STV8267
133/149
STV82x7
Electrical Characteristics
13.4
Crystal Oscillator
13.5
Analog Sound IF Signal
Symbol
Parameter
Min.
Typ.
Max.
Units
f
P
Crystal Series Resonance Frequency (at C21 = C22 = 27 pF load capacitor)
27
MHz
DF/F
P
Frequency Tolerance at 25 °C
-30
+30
ppm
DF/F
T
Frequency Stability versus Temperature within a range from 0 to 70 °C
-30
+30
ppm
C1
Motional Capacitor
15
fF
R
S
Serial Resistance
30
C
S
Shunt Capacitance
7
pF
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
BAND
SIF
SIF Frequency Flatness
AGC_ERR at 0, frequency range
from 4 to 7MHz
0.6
3
dB
R
INSIF
SIF Input Resistance
60
72
85
k
DC
INSIF
SIF Input DC Level
0.9
V
C
INSIF
SIF Input Capacitance
3
pF
FM Carrier
VSIF
FM
SIF Input Sensitivity
SNR 40dB
RMS unweighted, 20Hz-15kHz,
Standard B/G 27 kHz FM
Deviation,1kHz
350
μ
V
PP
DEV
FM
FM Maximum Deviation
FM50k (Standard)
Signal Lost, DK mode, FM
prescale at 0
±15
±50
±115
kHz
FM200k
±200
±320
FM350k
±350
±560
FM500k
±500
±700
DFSIF
FM
SIF Carrier Accuracy for
FM
Standard (FM50k)
±1
±5
kHz
Shifted Standard
(FM50k with DCO
compensation)
±120
kHz
R
FM/QPSK
Carrier Ratio FM/QPSK for NICAM System
NICAM mute, FAR_MODE is
active, standard BG, 100mV
PP
level for FM carrier
40
dB
AM Carrier
VSIF
AM
SIF Input Sensitivity
Unmodulated, -3 dB at output
amplitude AGC_ERR at 21d
Standard L, 54% AM Depth,
1 kHz
19
mV
PP
VMAX_SIF
AM
SIF Maximum Input Level
Unmodulated, THD at 1%, 54%
AM Depth, AGC_ERR at 0
1.3
V
PP
DEV
AM
Modulation Depth for AM
THD at 1%
0
100
%
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