MAX2452ISE 查看數據表（PDF） - Maxim Integrated
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MAX2452ISE Datasheet PDF : 8 Pages
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3V, Ultra-Low-Power
Quadrature Modulator
__________________________________________Typical Operating Characteristics
(VCC = LO_VCC = 3.0V, fOSC = 140MHz, ENABLE = 2.6V, fII = fQQ = 600kHz, RL (IF, IF) = 200kΩ differential, CL (IF, IF) < 5pF
differential, TA = +25°C, unless otherwise noted.)
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
-30
SUPPLY CURRENT
vs. TEMPERATURE
VCC = 3.3V
VCC = 3V
VCC = 2.7V
-10 10 30 50 70 90
TEMPERATURE (°C)
IF OUTPUT
vs. SUPPLY VOLTAGE
74
72
70
68 TA = +85°C
66
TA = +70°C
64
TA = +25°C
62
TA = 0°C
60
TA = -25°C
58
56
54
2.7 2.8 2.9 3.0 3.1 3.2 3.3
VCC (V)
SIDEBAND REJECTION
vs. TEMPERATURE
-30
-32
VII = 1.2Vp-p
VQQ = 1.2Vp-p
-34
-36
-38
-40
-42
-44
-46
-48
-50
-30 -10 10 30 50 70 90
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
16
14
VCC = 3.3V
12
10
VCC = 3V
8
6
4
VCC = 2.7V
2
0
-30 -10 10 30 50 70 90
TEMPERATURE (°C)
IF OUTPUT
vs. TEMPERATURE
70
VCC = 3V
68
66
64
62
60
-30 -10 10 30 50 70 90
TEMPERATURE (°C)
LO LEAKAGE
vs. IF FREQUENCY
-30
-32
-34
-36
-38
-40
-42
-44
35 40 45 50 55 60 65 70 75 80
IF FREQUENCY (MHz)
IF OUTPUT
vs. BASEBAND INPUT
-30
-34
-38
-42
-46
dBVRMS
-50
Vp-p = 2 2 x 10 20 (V)
-54
-26 -22 -18 -14 -10 -6
BASEBAND INPUT (dBVRMS)
SIDEBAND REJECTION
vs. IF FREQUENCY
-30
-32
VII = 1.2Vp-p
VQQ = 1.2Vp-p
-34
-36
-38
-40
-42
-44
-46
-48
-50
35 40 45 50 55 60 65 70 75 80
IF FREQUENCY (MHz)
PRE_OUT WAVEFORM
RL = 10kΩ
CL < 6pF
100mV/
div
20ns/div
_______________________________________________________________________________________ 3
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