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MAX7400 Datasheet(数据表) 5 Page - Maxim Integrated Products

部件型号  MAX7400
说明  8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters
下载  12 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

MAX7400 Datasheet(HTML) 5 Page - Maxim Integrated Products

  MAX7400 数据表 HTML 1Page - Maxim Integrated Products MAX7400 数据表 HTML 2Page - Maxim Integrated Products MAX7400 数据表 HTML 3Page - Maxim Integrated Products MAX7400 数据表 HTML 4Page - Maxim Integrated Products MAX7400 数据表 HTML 5Page - Maxim Integrated Products MAX7400 数据表 HTML 6Page - Maxim Integrated Products MAX7400 数据表 HTML 7Page - Maxim Integrated Products MAX7400 数据表 HTML 8Page - Maxim Integrated Products MAX7400 数据表 HTML 9Page - Maxim Integrated Products Next Button
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8th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
_______________________________________________________________________________________
5
Note 1: The maximum fC is defined as the clock frequency, fCLK = 100 · fC, at which the peak SINAD drops to 68dB with a
sinusoidal input at 0.2fC.
Note 2: DC insertion gain is defined as
∆VOUT / ∆VIN.
Note 3: OS voltages above VDD - 1V saturate the input and result in a 75µA typical input leakage current.
Note 4: For MAX7400/MAX7403, fOSC (kHz) ≅ 38 · 103 / COSC (pF). For MAX7404/MAX7407, fOSC (kHz) ≅ 34 · 103 / COSC (pF).
Note 5: The input frequencies, fIN, are selected at the peaks and troughs of the frequency responses.
ELLIPTIC (r = 1.2) FILTER CHARACTERISTICS—MAX7403/MAX7407
(VDD = +5V for MAX7403, VDD = +3V for MAX7407; filter output measured at OUT; 10kΩ || 50pF load to GND at OUT; SHDN = VDD;
VCOM = VOS = VDD / 2; fCLK = 100kHz; TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)
Typical Operating Characteristics
(VDD = +5V for MAX7400/MAX7403, VDD = +3V for MAX7404/MAX7407; VCOM = VOS = VDD / 2; SHDN = VDD; fCLK = 100kHz;
TA = +25°C; unless otherwise noted.)
-120
-80
-100
-40
-60
0
-20
20
012345
MAX7400/MAX7404 (r = 1.5)
FREQUENCY RESPONSE
INPUT FREQUENCY (kHz)
fC = 1kHz
-0.08
0
-0.04
0.12
0.08
0.04
0.20
0.16
0.24
0
202
404
606
808
1010
MAX7400/MAX7404 (r = 1.5)
PASSBAND FREQUENCY RESPONSE
INPUT FREQUENCY (Hz)
fC = 1kHz
-640
-480
-560
-240
-320
-400
-80
-160
0
0
300
600
900
1200
1500
MAX7400/MAX7404 (r = 1.5)
PHASE RESPONSE
INPUT FREQUENCY (Hz)
fC = 1kHz
PARAMETER
MIN
TYP
MAX
UNITS
-58
-50
-60
-54
Insertion Gain Relative to DC Gain
(Note 5)
-60
-54
fIN = 1.533fC
dB
fIN = 2.875fC
-59
-54
fIN = 1.200fC
fIN = 1.261fC
-0.20
0.10
0.20
-0.20
0.14
0.30
CONDITIONS
-0.20
0.09
0.30
fIN = 0.992fC
fIN = 1.000fC
-0.20
0.02
0.20
fIN = 0.902fC
fIN = 0.956fC
-0.20
0.02
0.20
-0.20
-0.06
0.20
fIN = 0.640fC
fIN = 0.784fC
-0.20
-0.11
0.20
fIN = 0.408fC




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