MAX2451CSE データシートの表示（PDF） - Maxim Integrated
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MAX2451CSE Datasheet PDF : 6 Pages
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3V, Ultra-Low-Power
Quadrature Demodulator
__________________________________________Typical Operating Characteristics
(VCC = LO_VCC = ENABLE = 3.0V, fLO = 140MHz, fIF = 70.1MHz, VIF = 2.82mVp-p, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. TEMPERATURE
6.4
VCC = 3.0V
6.2
6.0
5.8
5.6
5.4
5.2
0 10 20 30 40 50 60 70
TEMPERATURE (°C)
VOLTAGE CONVERSION
GAIN vs. IF FREQUENCY
52
51
50
49
48
47
46
45
fBASEBAND = 100kHz
44 VLO_INJECT = 40mVRMS = 113mVp-p
43 into 5OΩ
VIF_IN = 2.82mVP-P
42
0 100 200 300 400 500
IF FREQUENCY (MHz)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
7
VCC = 3.0V
6
5
4
3
2
1
0
0 10 20 30 40 50 60 70
TEMPERATURE (°C)
PHASE AND AMPLITUDE
MATCHING vs. TEMPERATURE
1.6
1.4
PHASE MATCH
1.2
1.0
0.8
0.6
0.4
0
AMPLITUDE MATCH
10 20 30 40 50 60 70
TEMPERATURE (°C)
VOLTAGE CONVERSION GAIN vs.
TEMPERATURE AND SUPPLY VOLTAGE
51.5
TA = 0°C
51.0
TA = +25°C
50.5
50.0
49.5
TA = +50°C
49.0
48.5
TA = +70°C
48.0
2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4
VCC (V)
INTERMODULATION POWER
vs. TEMPERATURE
-40
IM3
-45
-50
fLO = 140MHz
fIF1 = 70.10MHz
-55
fIF2 = 70.11MHz
VIF_IN = 1.41mVp-p per tone
-60
IM5
-65
0
10 20 30 40 50
TEMPERATURE (°C)
60 70
PRE_OUT WAVEFORM
100mV/div
RL = 10kΩ
CL < 6pF
20ns/div
_______________________________________________________________________________________ 3
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