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參數資料
| 型號： | MC44302ADW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 消費家電 |
| 英文描述： | ADVANCED MULTI-STANDARD VIDEO/SOUND IF |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| 封裝： | PLASTIC, SO-28 |
| 文件頁數： | 3/28頁 |
| 文件大小： | 612K |
| 代理商： | MC44302ADW |
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MC44302A
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(continued)
(VCC = 5.0 V, TA = 25
°
C.)
Characteristic
Unit
Max
Typ
Min
Symbol
VIDEO DETECTOR (CONTINUED)
Residual 920 kHz Beat Output, dB Below 100% Modulated Video
(Pin 5 or 6, Note 2)
BO
–
–60
–
dB
FM SOUND IF AND DETECTOR
Input Impedance Components
Parallel Resistance
Parallel Capacitance
Rin(FM)
Cin(FM)
Vin(Snd)
AMR
–
–
2.2
4.0
–
–
k
pF
Input Limiting Threshold (f = 4.5 MHz)
–
80
–
μ
V
AM Rejection (Vin = 10 mV, Notes 4, 5, 6)
f = 4.5 MHz
f = 5.5 MHz
dB
–
–
50
50
–
–
Recovered Audio Output (Pin 24, Vin = 10 mV, Note 4)
f = 4.5 MHz
f = 5.5 MHz
VO(Snd)
Vpp
–
–
2.0
2.0
–
–
Output Distortion (Pin 24, Vin = 10 mV, Note 4)
f = 4.5 MHz
f = 5.5 MHz
THD
%
–
–
1.0
1.0
–
–
Sound AFT (Note 7)
Pull–in Range
Hold–in Range
fAFT(Snd)
MHz
–
–
±
0.6
±
0.6
–
–
Sound De–Emphasis Internal Resistance (Pin 4)
RDE
CtlkAM
–
18
–
k
AM Detector Crosstalk
–
–6.0
–
dB
AM DETECTOR
Input Impedance Components
Parallel Resistance
Parallel Capacitance
Rin(AM)
Cin(AM)
VO(Snd)
THD
–
–
5.6
4.0
–
–
k
pF
Recovered Audio Output (Pin 24, Vin = 100 mV, Note 5)
Output Distortion (Pin 24, Vin = 10 mV, Note 5)
FM Sound IF and Detector Crosstalk
–
2.0
–
Vpp
–
1.0
–
%
CtlkFM
–
–60
–
dB
DC VOLUME CONTROL
Volume Control Range (Pin 1, Pin 3 = Vin)
Output Signal at Minimum Volume Setting (Pin 1 = Gnd, Pin 3 = Vin )
Video Detector Sync to Audio Channel Crosstalk
Fixed Output
Variable Output
VO(Snd)
VO(Snd)
CtlkVD
–
+12 to –70
–
dB
–
1.0
–
mV
dB
–
–
–60
–60
–
–
Audio Channel Crosstalk
Fixed Output to Variable Output
Variable Output to Fixed Output
CtlkSnd
dB
–
–
–60
–60
–
–
NOTES:
1.
Vin = 1.0 mVrms signal at 45.75 MHz with 75% modulated staircase at 3.58 MHz.
2.Vin = 100
μ
Vrms signal at 41.25 MHz added to signal in Note 1.
3.Differential carrier level at video IF inputs to cause the negative detector output to go positive by 0.1 V from ground.
4.FM Modulation =
±
25 kHz deviation at 1.0 kHz for 4.5 MHz intercarrier.
±
50 kHz deviation at 1.0 kHz for 5.5 MHz intercarrier.
5.AM Modulation = 30% depth at 1.0 kHz for 4.5 MHz and 5.5 MHz intercarrier.
VO(FM)
VO(AM)
6.AM Rejection (dB) = 20 log
7.Tested with 15
μ
H sound quadrature coil in parallel with 68 pF and 10 k
.
8.The AFT output can be disabled by leaving Pin 12 disconnected or by biasing it to the voltage level shown above. When disabled, the output will be
internally clamped to one half of VCC.
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