MAX7418 데이터 시트보기 (PDF) - Maxim Integrated
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MAX7418 Datasheet PDF : 14 Pages
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5th-Order, Lowpass,
Switched-Capacitor Filters
____________________________Typical Operating Characteristics (continued)
(VDD = +5V for MAX7418–MAX7421, VDD = +3V for MAX7422–MAX7425, fCLK = 2.2MHz, SHDN = VDD, VCOM = VOS = VDD / 2,
TA = +25°C, unless otherwise noted.
MAX7418/MAX7422
MAX7419/MAX7423
MAX7421/MAX7425
PASSBAND FREQUENCY RESPONSE
PASSBAND FREQUENCY RESPONSE
FREQUENCY RESPONSE (ELLIPTIC, r = 1.25)
(ELLIPTIC, r = 1.6)
(BESSEL)
10
0.4
0.5
0
0
0.2
-10
-0.5
-20
0
-1.0
-30
-0.2
-1.5
-40
-50
-0.4
-2.0
-60
-0.6
-2.5
-70
-3.0
-0.8
-80
-3.5
-90
0
20
40
60
80 100
INPUT FREQUENCY (kHz)
-1.0
0
4.5 9.0 13.5 18.0 22.5
INPUT FREQUENCY (kHz)
-4.0
0
4.5 9.0 13.5 18.0 22.5
INPUT FREQUENCY (kHz)
MAX7420/MAX7424
PASSBAND FREQUENCY RESPONSE
(BUTTERWORTH)
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
0
4.5 9.0 13.5 18.0 22.5
INPUT FREQUENCY (kHz)
MAX7419/MAX7423
PHASE RESPONSE (BESSEL)
0
-50
-100
-150
-200
-250
0
4 8 12 16 20 24 28
INPUT FREQUENCY (kHz)
MAX7421/MAX7425
PASSBAND FREQUENCY RESPONSE
(ELLIPTIC, r = 1.25)
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
4.5 9.0 13.5 18.0 22.5
INPUT FREQUENCY (kHz)
MAX7420/MAX7424
PHASE RESPONSE (BUTTERWORTH)
0
-50
-100
-150
-200
-250
-300
-350
0
4 8 12 16 20 24 28
INPUT FREQUENCY (kHz)
MAX7418/MAX7422
PHASE RESPONSE (ELLIPTIC, r = 1.6)
0
-50
-100
-150
-200
-250
-300
-350
-400
-450
0
4 8 12 16 20 24 28
INPUT FREQUENCY (kHz)
MAX7424/MAX7425
PHASE RESPONSE (ELLIPTIC, r = 1.25)
0
-50
-100
-150
-200
-250
-300
-350
-400
-450
0
4 8 12 16 20 24 28
INPUT FREQUENCY (kHz)
6 _______________________________________________________________________________________
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