MAX7408 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX7408 Datasheet PDF : 12 Pages
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5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
Typical Operating Characteristics (continued)
(VDD = +5V for MAX7408/MAX7411, VDD = +3V for MAX7412/MAX7415; fCLK = 100kHz; SHDN = VDD; VCOM = VOS = VDD / 2;
TA = +25°C; unless otherwise noted.)
MAX7411/MAX7415
PASSBAND FREQUENCY RESPONSE
MAX7408/MAX7412
PHASE RESPONSE
MAX7411/MAX7415
PHASE RESPONSE
0.2
0
0
0
-50
fC = 1kHz
r = 1.6
-100
fC = 1kHz
r = 1.25
-0.2
-100
-200
-0.4
-150
-0.6
-200
-300
-0.8
-1.0
fC = 1kHz
-1.2 r = 1.25
-1.4
0
204 408 612 816 1.02k
INPUT FREQUENCY (Hz)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.17
1.16
1.15
1.14
1.13
1.12
1.11
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
MAX7411
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT SIGNAL AMPLITUDE
0
-10
SEE TABLE A
-20
-30
-40
-50
-60
-250
-300
-350
-400
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
INPUT FREQUENCY (kHz)
SUPPLY CURRENT vs. TEMPERATURE
1.20
1.19
1.18
1.17
VDD = +5V
1.16
1.15
1.14
VDD = +3V
1.13
1.12
1.11
1.10
-60 -40 -20 0 20 40 60
TEMPERATURE (°C)
80 100
-400
-500
-600
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
INPUT FREQUENCY (kHz)
MAX7408
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT SIGNAL AMPLITUDE
0
-10
SEE TABLE A
-20
-30
-40
-50
-60
-70
B
A
-80
-90
0
1
2
3
4
5
AMPLITUDE (Vp-p)
Table A. THD + Noise Test Conditions
LABEL
fIN
(Hz)
A
200
B
1k
fC
(kHz)
1
5
fCLK
(kHz)
100
500
MEASUREMENT
BANDWIDTH (kHz)
22
80
-70
B
B
-80
A
A
-90
0
1
2
3
4
5
AMPLITUDE (Vp-p)
6 _______________________________________________________________________________________
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