MAX7401 데이터 시트보기 (PDF) - Maxim Integrated
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MAX7401 Datasheet PDF : 12 Pages
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8th-Order, Lowpass, Bessel,
Switched-Capacitor Filters
Typical Operating Characteristics
(VDD = +5V for MAX7401, VDD = +3V for MAX7405; fCLK = 100kHz; SHDN = VDD; VCOM = VOS = VDD / 2; TA = +25°C; unless otherwise
noted.)
10
0
-10
-20
-30
-40
-50
-60
-70
0
FREQUENCY RESPONSE
fC = 1kHz
1
2
3
4
5
INPUT FREQUENCY (kHz)
PASSBAND FREQUENCY RESPONSE
0.5
fC = 1kHz
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
0
202 404 606 808 1010
INPUT FREQUENCY (Hz)
0
-50
-100
-150
-200
-250
-300
-350
-400
0
PHASE RESPONSE
fC = 1kHz
400 800 1200 1600 2000
INPUT FREQUENCY (Hz)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
2.5
NO LOAD
2.4
2.3
2.2
2.1
MAX7405
2.0
MAX7401
1.9
1.8
1.7
1.6
1.5
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
OFFSET VOLTAGE vs. TEMPERATURE
1.0
VIN = VCOM = VDD / 2
0.5
SUPPLY CURRENT
vs. TEMPERATURE
2.03
NO LOAD
2.02
2.01
MAX7401
2.00
1.99
MAX7405
1.98
1.97
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
10,000
INTERNAL OSCILLATOR FREQUENCY
vs. COSC CAPACITANCE
1000
0
100
-0.5
10
-1.0
1
-1.5
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
0.1
0.01
0.1
1
10 100 1000
COSC CAPACITANCE (nF)
OFFSET VOLTAGE
vs. SUPPLY VOLTAGE
20
VIN = VCOM = VDD / 2
15
10
5
MAX7405
0
MAX7401
-5
-10
-15
-20
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
NORMALIZED OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
1.20
1.15
COSC = 390pF
1.10
1.05
MAX7405
1.00
0.95
MAX7401
0.90
0.85
0.80
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
_______________________________________________________________________________________ 5
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