MAX7418 데이터 시트보기 (PDF) - Maxim Integrated
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MAX7418 Datasheet PDF : 14 Pages
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5th-Order, Lowpass,
Switched-Capacitor Filters
____________________________Typical Operating Characteristics (continued)
(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.
INTERNAL OSCILLATOR FREQUENCY
vs. LARGE CAPACITANCE (nF)
6
ELLIPTIC INTERNAL OSCILLATOR
FREQUENCY vs. SUPPLY VOLTAGE
87.0
5
86.5
4
86.0
3
BESSEL/BUTTERWORTH
85.5
2
ELLIPTIC
1
0
10
100
1000
CAPACITANCE (nF)
85.0
84.5
COSC = 1000PF
84.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
ELLIPTIC INTERNAL OSCILLATOR
FREQUENCY vs. TEMPERATURE
87.0
86.5
VDD = 3V
86.0
85.5
85.0
VDD = 5V
84.5
COSC = 1000pF
84.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
ELLIPTIC SUPPLY CURRENT
vs. TEMPERATURE
3.0
2.9
VDD = 5V
2.8
2.7
VDD = 3V
2.6
2.5
-40 -15 10
35
60
85
TEMPERATURE (°C)
ELLIPTIC SUPPLY CURRENT
vs. SUPPLY VOLTAGE
3.3
3.1
2.9
2.7
2.5
2.3
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
Table A.
LABEL
fIN
(kHz)
A
2
B
2
C
1
D
2
E
1
fC
(kHz)
30
22
10
22
10
fCLK
(kHz)
3000
2200
1000
2200
1000
BW
(kHz)
80
80
22
80
22
8 _______________________________________________________________________________________
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