MAX7480EPA Просмотр технического описания (PDF) - Maxim Integrated
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MAX7480EPA Datasheet PDF : 8 Pages
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8th-Order, Lowpass, Butterworth,
Switched-Capacitor Filter
Typical Operating Characteristics
(VDD = +5V, fCLK = 100kHz, SHDN = VDD, VCOM = VOS = VDD / 2, TA = +25°C, unless otherwise noted.)
FREQUENCY RESPONSE
20
fC = 1kHz
0
-20
-40
-60
-80
-100
-120
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
INPUT FREQUENCY (kHz)
PASSBAND FREQUENCY RESPONSE
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
fC = 1kHz
-3.5
0
202 404 606 808 1010
INPUT FREQUENCY (Hz)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
3.00
NO LOAD
2.95
2.90
2.85
2.80
2.75
2.70
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. TEMPERATURE
3.00
NO LOAD
2.95
2.90
2.85
2.80
2.75
2.70
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
OFFSET VOLTAGE vs. TEMPERATURE
1.0
VIN = VCOM = VDD / 2
0.5
INTERNAL OSCILLATOR FREQUENCY vs.
COSC CAPACITANCE
1000
100
0
10
-0.5
1
-1.0
0.1
-1.5
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
0.01
0.1
1
10
100
1000
CAPACITANCE (nF)
0
80
160
240
320
400
480
560
640
0
PHASE RESPONSE
fC = 1kHz
400 800 1200 1600 2000
INPUT FREQUENCY (Hz)
DC OFFSET VOLTAGE
vs. SUPPLY VOLTAGE
2.0
VIN = VCOM
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
SUPPLY VOLTAGE (V)
NORMALIZED INTERNAL OSCILLATOR
FREQUENCY vs. SUPPLY VOLTAGE
1.05
1.04
COSC = 530pF
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
SUPPLY VOLTAGE (V)
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