Datasheet

MAX7409/MAX7410/MAX7413/MAX7414
5th-Order, Lowpass,
Switched-Capacitor Filters
_______________________________________________________________________________________ 5
-56
-40
-48
-32
-8
0
-16
-24
8
0 1.0 1.5 2.0 2.50.5 3.0 3.5 4.0 4.5 5.0
MAX7409/MAX7413
FREQUENCY RESPONSE
(BESSEL)
MAX7409 toc01
INPUT FREQUENCY (kHz)
GAIN (dB)
f
C
= 1kHz
-70
-50
-60
-40
-10
0
-20
-30
10
0 1.0 1.5 2.0 2.50.5 3.0 3.5 4.0 4.5 5.0
MAX7410/MAX7414
FREQUENCY RESPONSE
(BUTTERWORTH)
MAX7409 toc02
INPUT FREQUENCY (kHz)
GAIN (dB)
f
C
= 1kHz
-250
-200
-100
-150
-50
0
0 0.4 0.60.2 0.8 1.0 1.2 1.4 1.6
MAX7409/MAX7413
PHASE RESPONSE
(BESSEL)
MAX7409 toc05
INPUT FREQUENCY (kHz)
PHASE SHIFT (DEGREES)
f
C
= 1kHz
-350
-300
-200
-250
-100
-50
-150
0
0 0.4 0.60.2 0.8 1.0 1.2 1.4 1.6
MAX7410/MAX7414
PHASE RESPONSE
(BUTTERWORTH)
MAX7409 toc06
INPUT FREQUENCY (kHz)
PHASE SHIFT (DEGREES)
f
C
= 1kHz
-3.2
-2.4
-3.0
-2.0
-0.8
-0.4
-1.2
-1.6
0
0 204 306 408 510102 612 714 816 918 1.02k
MAX7409/MAX7413
PASSBAND FREQUENCY RESPONSE
(BESSEL)
MAX7409 toc03
INPUT FREQUENCY (Hz)
GAIN (dB)
f
C
= 1kHz
-3.5
-2.5
-3.0
-2.0
-0.5
0
-1.0
-1.5
0.5
0 204 306 408 510102 612 714 816 918 1.02k
MAX7410/MAX7414
PASSBAND FREQUENCY RESPONSE
(BUTTERWORTH)
MAX7409 toc04
INPUT FREQUENCY (Hz)
GAIN (dB)
f
C
= 1kHz
1.11
1.12
1.13
1.14
1.15
1.16
1.17
1.18
1.19
2.5 3.53.0 4.0 4.5 5.0 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX7409 toc07
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
Typical Operating Characteristics
(V
DD
= +5V for MAX7409/MAX7410, V
DD
= +3V for MAX7413/MAX7414, f
CLK
= 100kHz, SHDN = V
DD
, COM = OS = V
DD
/ 2, T
A
= +25°C,
unless otherwise noted.)
LABEL
f
IN
(Hz)
f
C
(kHz)
A 200 1
B 1k 5
f
CLK
(kHz)
100
500
MEASUREMENT
BANDWIDTH (kHz)
22
80
Table A. THD+N vs. Input Signal
Amplitude Plot Characteristics