Rainbow Electronics MAX7425 - Manual (Page 6)

____________________________Typical Operating Characteristics (continued)
(V DD = +5V for MAX7418–MAX7421, V DD = +3V for MAX7422–MAX7425, f CLK = 2.2MHz, SHDN = V DD , V COM = V OS = V DD / 2,
T
A
= +25°C, unless otherwise noted.
MAX7418–MAX7425
5th-Order, Lowpass,
Switched-Capacitor Filters
6 _______________________________________________________________________________________
-90
-60
-70
-80
-50
-40
-30
-20
-10
0
10
0 40 20 60 80 100
MAX7421/MAX7425
FREQUENCY RESPONSE (ELLIPTIC, r = 1.25)
MAX7418 toc04
INPUT FREQUENCY (kHz)
GAIN (dB)
-4.0
-3.0
-3.5
-1.5
-2.0
-2.5
0
-0.5
-1.0
0.5
0 9.0 4.5 13.5 18.0 22.5
MAX7420/MAX7424
PASSBAND FREQUENCY RESPONSE
(BUTTERWORTH)
MAX7418 toc07
INPUT FREQUENCY (kHz)
GAIN (dB)
MAX7418 toc05
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0 9.0 4.5 13.5 18.0 22.5
MAX7418/MAX7422
PASSBAND FREQUENCY RESPONSE
(ELLIPTIC, r = 1.6)
INPUT FREQUENCY (kHz)
GAIN (dB)
-4.0
-3.0
-3.5
-1.5
-2.0
-2.5
0
-0.5
-1.0
0.5
0 9.0 4.5 13.5 18.0 22.5
MAX7419/MAX7423
PASSBAND FREQUENCY RESPONSE
(BESSEL)
MAX7418 toc06
INPUT FREQUENCY (kHz)
GAIN (dB)
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0 9.0 4.5 13.5 18.0 22.5
MAX7421/MAX7425
PASSBAND FREQUENCY RESPONSE
(ELLIPTIC, r = 1.25)
MAX7418 toc08
INPUT FREQUENCY (kHz)
GAIN (dB)
-450
-350
-400
-200
-250
-300
-50
-100
-150
0
0 8 12 4 16 20 24 28
MAX7418/MAX7422
PHASE RESPONSE (ELLIPTIC, r = 1.6)
INPUT FREQUENCY (kHz)
PHASE SHIFT (DEGREES)
MAX7418 toc09
-250
-200
-100
-150
-50
0
0 8 4 12 16 20 24 28
MAX7419/MAX7423
PHASE RESPONSE (BESSEL)
MAX7418 toc10
INPUT FREQUENCY (kHz)
PHASE SHIFT (DEGREES)
-350
-250
-300
-150
-200
-50
-100
0
0 8 12 4 16 20 24 28
MAX7420/MAX7424
PHASE RESPONSE (BUTTERWORTH)
MAX7418 toc11
INPUT FREQUENCY (kHz)
PHASE SHIFT (DEGREES)
-450
-350
-400
-200
-250
-300
-50
-100
-150
0
0 8 12 4 16 20 24 28
MAX7424/MAX7425
PHASE RESPONSE (ELLIPTIC, r = 1.25)
MAX7418 toc12
INPUT FREQUENCY (kHz)
PHASE SHIFT (DEGREES)