MAX7408 데이터 시트보기 (PDF) - Maxim Integrated
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MAX7408 Datasheet PDF : 12 Pages
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5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
ELECTRICAL CHARACTERISTICS—MAX7412/MAX7415 (continued)
(VDD = +3V, filter output measured at OUT pin, 10kΩ || 50pF load to GND at OUT, SHDN = VDD, OS = COM, 0.1µF from COM to
GND, fCLK = 100kHz; TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
CLOCK
Internal Oscillator Frequency
SYMBOL
CONDITIONS
fOSC COSC = 1000pF (Note 3)
MIN
TYP MAX UNITS
19
27
34
kHz
Clock Output Current
(Internal Oscillator Mode)
ICLK VCLK = 0 or 3V
±12
±20
µA
Clock Input High
Clock Input Low
POWER REQUIREMENTS
Supply Voltage
Supply Current
Shutdown Current
Power-Supply Rejection Ratio
SHUTDOWN
SHDN Input High
SHDN Input Low
SHDN Input Leakage Current
VIH
VIL
VDD
IDD
ISHDN
PSRR
Operating mode, no load
SHDN = GND
Measured at DC
VSDH
VSDL
V SHDN = 0 to VDD
2.5
V
0.5
V
2.7
3.6
V
1.13
1.5
mA
0.2
1
µA
70
dB
2.5
V
0.5
V
±0.2
±10
µA
ELLIPTIC FILTER (r = 1.6) CHARACTERISTICS—MAX7408/MAX7412
(VDD = +5V for MAX7408, VDD = +3V for MAX7412; 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 3)
PARAMETER
Insertion Gain
with DC Gain Error Removed
(Note 4)
fIN = 0.34fC
fIN = 0.63fC
fIN = 0.84fC
fIN = 0.96fC
fIN = fC
fIN = 1.60fC
fIN = 1.90fC
fIN = 4.62fC
CONDITIONS
MIN
TYP MAX UNITS
-0.4
-0.2
0.4
-0.4
0.2
0.4
-0.4
-0.2
0.4
-0.4
0.2
0.4
dB
-0.7
-0.2
0.2
-53.4
-50
-53.4
-50
-53.4
-50
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