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MAX7418 Datasheet(数据表) 5 Page - Maxim Integrated Products

部件型号  MAX7418
说明  5th-Order, Lowpass, Switched-Capacitor Filters
下载  14 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  http://www.maxim-ic.com
标志 MAXIM - Maxim Integrated Products

MAX7418 Datasheet(HTML) 5 Page - Maxim Integrated Products

  MAX7418 数据表 HTML 1Page - Maxim Integrated Products MAX7418 数据表 HTML 2Page - Maxim Integrated Products MAX7418 数据表 HTML 3Page - Maxim Integrated Products MAX7418 数据表 HTML 4Page - Maxim Integrated Products MAX7418 数据表 HTML 5Page - Maxim Integrated Products MAX7418 数据表 HTML 6Page - Maxim Integrated Products MAX7418 数据表 HTML 7Page - Maxim Integrated Products MAX7418 数据表 HTML 8Page - Maxim Integrated Products MAX7418 数据表 HTML 9Page - Maxim Integrated Products Next Button
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5th-Order, Lowpass,
Switched-Capacitor Filters
_______________________________________________________________________________________
5
Note 1: The maximum fC is defined as the clock frequency fCLK = 100 x fC at which the peak S / (THD+N) drops to 68dB with a
sinusoidal input at 0.2fC. Maximum fC increases as VIN signal amplitude decreases.
Note 2: DC insertion gain is defined as
∆VOUT / ∆VIN.
Note 3: MAX7418/MAX7421/MAX7422/MAX7425: fOSC (kHz)
≅ 87x103 / COSC (pF).
MAX7419/MAX7420/MAX7423/MAX7424: fOSC (kHz)
≅ 110x103 / COSC (pF).
Note 4: PSRR is the change in output voltage from a VDD of 4.5V and a VDD of 5.5V.
-70
-65
fIN = 5fC
-47.5
-43
-3.6
-3.0
-2.4
fIN = fC
fIN = 3fC
-0.3
0
dB
fIN = 0.5fC
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
BUTTERWORTH FILTERS—MAX7420/MAX7424
BUTTERWORTH FILTERS—MAX7420/MAX7424
FILTER CHARACTERISTICS
(VDD = +5V for MAX7418–MAX7421, VDD = +3V for MAX7422–MAX7425 filter output measured at OUT, 10k
|| 50pF load to GND at
OUT, SHDN = VDD, fCLK = 2.2MHz, TA = TMIN to TMAX, unless otherwise noted.)
__________________________________________Typical Operating Characteristics
(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.)
-90
-60
-70
-80
-50
-40
-30
-20
-10
0
10
040
20
60
80
100
MAX7418/MAX7422
FREQUENCY RESPONSE (ELLIPTIC, r = 1.6)
INPUT FREQUENCY (kHz)
-60
-40
-50
-20
-30
0
-10
10
040
20
60
80
100
MAX7419/MAX7423
FREQUENCY RESPONSE (BESSEL)
INPUT FREQUENCY (kHz)
-80
-60
-70
-30
-40
-50
0
-10
-20
10
040
20
60
80
100
MAX7420/MAX7424
FREQUENCY RESPONSE (BUTTERWORTH)
INPUT FREQUENCY (kHz)
Insertion Gain Relative to
DC Gain




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