MAX7426 데이터 시트보기 (PDF) - Maxim Integrated
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MAX7426 Datasheet PDF : 12 Pages
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5th-Order, Lowpass, Elliptic,
Switched-Capacitor
Typical Operating Characteristics (continued)
(VDD = +5V for MAX7426, VDD = +3V for MAX7427, fCLK = 100kHz, SHDN = VDD, VCOM = VOS = VDD / 2, TA = +25°C, unless other-
wise noted.)
INTERNAL OSCILLATOR PERIOD
vs. SMALL CAPACITANCE (IN pF)
200
VDD = +5V
150
VDD = +3V
100
50
0
0 500 1000 1500 2000 2500 3000 3500
CAPACITANCE (pF)
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
17.5
INTERNAL OSCILLATOR PERIOD
vs. LARGE CAPACITANCE (IN nF)
20
18
VDD = +5V
16
14
12
VDD = +3V
10
8
6
4
2
0
0 50 100 150 200 250 300 350
CAPACITANCE (nF)
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
18.0
17.6
VDD = +3V
17.4
17.2 VDD = +5V
17.3
16.8
17.2
COSC = 1000pF
17.1
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
16.4
COSC = 1000pF
16.0
-40 -20 0 20 40 60
TEMPERATURE (°C)
80 100
DC OFFSET VOLTAGE
vs. TEMPERATURE
0
-0.5
-1.0
VDD = +3V
-1.5
-2.0
-2.5
VDD = +5V
-3.0
DC OFFSET VOLTAGE
vs. SUPPLY VOLTAGE
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-3.5
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
-4.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
_______________________________________________________________________________________ 7
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