參數(shù)資料
型號(hào)： MC3372
廠商： Motorola, Inc.
英文描述： LOW POWER FM IF
中文描述： 低功耗調(diào)頻中頻
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 471K
代理商： MC3372
MC3371 MC3372
2
MOTOROLA ANALOG IC DEVICE DATA
RECOMMENDED OPERATING CONDITIONS
Rating
Supply Voltage
(@ TA = 25
°
C)
( –30
°
C
TA
RF Input Voltage
Pin
4
Symbol
VCC
Value
2.0 to 9.0
2.4 to 9.0
Unit
Vdc
+75
°
C)
16
Vrf
frf
0.0005 to 10
mVrms
RF Input Frequency
16
0.1 to 100
MHz
Oscillator Input Voltage
1
Vlocal
fif
Vif
Vfa
Vsq
lsq
TA
80 to 400
mVrms
Intermediate Frequency
–
455
kHz
Limiter Amp Input Voltage
5
0 to 400
mVrms
Filter Amp Input Voltage
10
0.1 to 300
mVrms
Squelch Input Voltage
12
0 or 2
Vdc
Mute Sink Current
14
0.1 to 30
mA
°
C
Ambient Temperature Range
–
–30 to +70
AC ELECTRICAL CHARACTERISTICS
(VCC = 4.0 Vdc, fo = 58.1125 MHz, df =
±
3.0 kHz, fmod = 1.0 kHz, 50
source,
flocal = 57.6575 MHz, Vlocal = 0 dBm, TA = 25
°
C, unless otherwise noted)
Characteristic
Pin
Symbol
Min
Typ
Max
Unit
Input for 12 dB SINAD
Matched Input – (See Figures
11, 12 and 13
)
Unmatched Input – (See Figures 1 and 2)
–
VSIN
–
–
1.0
5.0
–
15
μ
Vrms
Input for 20 dB NQS
–
VNQS
AFO
–
3.5
–
μ
Vrms
Recovered Audio Output Voltage
Vrf = –30 dBm
–
120
200
320
mVrms
Recovered Audio Drop Voltage Loss
Vrf = –30 dBm, VCC = 4.0 V to 2.0 V
–
AFloss
–8.0
–1.5
–
dB
Meter Drive Output Voltage (No Modulation)
Vrf = –100 dBm
Vrf = –70 dBm
Vrf = –40 dBm
13
MDrv
MV1
MV2
MV3
–
1.1
2.0
0.3
1.5
2.5
0.5
1.9
3.1
Vdc
Filter Amp Gain
Rs = 600
, fs = 10 kHz, Vfa = 1.0 mVrms
–
AV(Amp)
47
50
–
dB
Mixer Conversion Gain
Vrf = –40 dBm, RL = 1.8 k
–
AV(Mix)
14
20
–
dB
Signal to Noise Ratio
Vrf = –30 dBm
–
s/n
36
67
–
dB
Total Harmonic Distortion
Vrf = –30 dBm, BW = 400 Hz to 30 kHz
–
THD
–
0.6
3.4
%
Detector Output Impedance
9
ZO
DVO
–
450
–
Detector Output Voltage (No Modulation)
Vrf = –30 dBm
9
–
1.45
–
Vdc
Meter Drive
Vrf = –100 to –40 dBm
13
MO
–
0.8
–
μ
A/dB
Meter Drive Dynamic Range
RFIn
IFIn (455 kHz)
13
MVD
–
–
60
80
–
–
dB
Mixer Third Order Input Intercept Point
f1 = 58.125 MHz
f2 = 58.1375 MHz
–
ITOMix
–
–22
–
dBm
Mixer Input Resistance
16
Rin
Cin
–
3.3
–
k
Mixer Input Capacitance
16
–
2.2
–
pF
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