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MAX7401 Datasheet(数据表) 4 Page - Maxim Integrated Products

部件型号  MAX7401
说明  8th-Order, Lowpass, Bessel, 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

MAX7401 Datasheet(HTML) 4 Page - Maxim Integrated Products

  MAX7401 数据表 HTML 1Page - Maxim Integrated Products MAX7401 数据表 HTML 2Page - Maxim Integrated Products MAX7401 数据表 HTML 3Page - Maxim Integrated Products MAX7401 数据表 HTML 4Page - Maxim Integrated Products MAX7401 数据表 HTML 5Page - Maxim Integrated Products MAX7401 数据表 HTML 6Page - Maxim Integrated Products MAX7401 数据表 HTML 7Page - Maxim Integrated Products MAX7401 数据表 HTML 8Page - Maxim Integrated Products MAX7401 数据表 HTML 9Page - Maxim Integrated Products Next Button
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8th-Order, Lowpass, Bessel,
Switched-Capacitor Filters
4
_______________________________________________________________________________________
COSC = 1000pF (Note 4)
CONDITIONS
26
34
43
fOSC
Internal Oscillator Frequency
MIN
TYP
MAX
SYMBOL
PARAMETER
Measured at DC
SHDN = GND, CLK driven from 0 to VDD
Operating mode, no load, IN = OS = COM
VCLK = 0 or 3V
0.5
VSDL
SHDN Input Low
VDD - 0.5
VSDH
SHDN Input High
60
PSRR
Power-Supply Rejection Ratio
0.2
1
ISHDN
Shutdown Current
2
3.5
2.7
3.6
VDD
Supply Voltage
0.5
VIL
Clock Input Low
VDD - 0.5
VIH
Clock Input High
±15
±30
ICLK
Clock Input Current
V
V
dB
µA
V
V
V
µA
kHz
UNITS
SHDN Input Leakage Current
V SHDN = 0 to VDD
±0.1
±10
µA
FILTER CHARACTERISTICS—MAX7401/MAX7405
(VDD = +5V for MAX7401, VDD = +3V for MAX7405; 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.)
Note 1: The maximum fC is defined as the clock frequency, fCLK = 100 · fC, at which the peak SINAD drops to 68dB with a sinu-
soidal 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 MAX7401, fOSC (kHz) ≅38 · 103 / COSC (pF). For MAX7405, fOSC (kHz) ≅34 · 103 / COSC (pF).
CLOCK
POWER REQUIREMENTS
SHUTDOWN
CONDITIONS
UNITS
MIN
TYP
MAX
PARAMETER
mA
IDD
Supply Current
ELECTRICAL CHARACTERISTICS—MAX7405 (continued)
(VDD = +3V, filter output measured at OUT, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1µF from COM to GND,
SHDN = VDD, fCLK = 100kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
fIN = 0.5fC
-1.0
-0.8
-0.6
fIN = fC
-3.3
-3.0
-2.7
fIN = 3fC
-33
-29
fIN = 6fC
dB
-79
-74
Insertion Gain Relative to
DC Gain




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