MAX7409 查看數據表（PDF） - Maxim Integrated
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MAX7409 Datasheet PDF : 12 Pages
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5th-Order, Lowpass,
Switched-Capacitor Filters
Typical Operating Characteristics
(VDD = +5V for MAX7409/MAX7410, VDD = +3V for MAX7413/MAX7414, fCLK = 100kHz, SHDN = VDD, COM = OS = VDD / 2, TA = +25°C,
unless otherwise noted.)
MAX7409/MAX7413
FREQUENCY RESPONSE
(BESSEL)
8
fC = 1kHz
0
MAX7410/MAX7414
FREQUENCY RESPONSE
(BUTTERWORTH)
10
fC = 1kHz
0
MAX7409/MAX7413
PASSBAND FREQUENCY RESPONSE
(BESSEL)
0
fC = 1kHz
-0.4
-8
-10
-0.8
-16
-20
-1.2
-24
-30
-1.6
-32
-40
-2.0
-40
-50
-2.4
-48
-60
-3.0
-56
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
INPUT FREQUENCY (kHz)
-70
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
INPUT FREQUENCY (kHz)
-3.2
0 102 204 306 408 510 612 714 816 918 1.02k
INPUT FREQUENCY (Hz)
MAX7410/MAX7414
PASSBAND FREQUENCY RESPONSE
(BUTTERWORTH)
0.5
0
fC = 1kHz
0
-50
-0.5
-1.0
-100
-1.5
-2.0
-150
-2.5
-200
-3.0
MAX7409/MAX7413
PHASE RESPONSE
(BESSEL)
fC = 1kHz
MAX7410/MAX7414
PHASE RESPONSE
(BUTTERWORTH)
0
fC = 1kHz
-50
-100
-150
-200
-250
-300
-3.5
0 102 204 306 408 510 612 714 816 918 1.02k
INPUT FREQUENCY (Hz)
-250
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
INPUT FREQUENCY (kHz)
-350
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
INPUT FREQUENCY (kHz)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.19
1.18
1.17
1.16
1.15
1.14
Table A. THD+N vs. Input Signal
Amplitude Plot Characteristics
LABEL
fIN
(Hz)
A
200
B
1k
fC
(kHz)
1
5
fCLK
(kHz)
100
500
MEASUREMENT
BANDWIDTH (kHz)
22
80
1.13
1.12
1.11
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
_______________________________________________________________________________________ 5
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