Datasheet

8th-Order, Lowpass,
Switched-Capacitor Filters
-0.6
-0.7
-0.5
-0.2
-0.1
-0.3
-0.4
0
0 200 400 600 800 1k
MAX291/MAX295
FREQUENCY RESPONSE
MAX291/2/5/6-04
INPUT FREQUENCY (Hz)
GAIN (dB)
MAX295
F
o
= 1kHz
MAX291
-100
-120
-80
-20
0
-40
-60
20
012345
MAX291/MAX295
FREQUENCY RESPONSE
MAX291/2/5/6-05
INPUT FREQUENCY (Hz)
GAIN (dB)
MAX295
F
o
= 1kHz
MAX291
-100
-120
-80
-20
0
-40
-60
20
0246810
MAX292/MAX296
FREQUENCY RESPONSE
MAX291/2/5/6-06
INPUT FREQUENCY (Hz)
GAIN (dB)
MAX296
F
o
= 1kHz
MAX292
6
9
8
7
11
10
15
14
13
12
16
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX291/2/5/6-07
SUPPLY VOLTAGE, V+ OR |V-|
SUPPLY CURRENT I+ OR |I-|(mA)
100kHz EXTERNAL CLOCK
10
13
12
11
14
15
16
-60 200-40 -20 40 60 80 100 120 140
SUPPLY CURRENT vs. TEMPERATURE
MAX291/2/5/6-10
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
100kHz EXTERNAL CLOCK
I+ OR | I- |
-60
-70
-50
-20
-10
-30
-40
0
0 400 800 1.2k 1.6k 2k
MAX291/MAX295
FREQUENCY RESPONSE
MAX291/2/5/6-08
INPUT FREQUENCY (Hz)
GAIN (dB)
F
o
= 1kHz
MAX291/MAX295
-12
-14
-10
-4
-2
-6
-8
0
0 400 800 1.2k 1.6k 2k
MAX292/MAX296
FREQUENCY RESPONSE
MAX291/2/5/6-09
INPUT FREQUENCY (Hz)
GAIN (dB)
MAX296
F
o
= 1kHz
MAX292
-480
-560
-400
-160
-80
-240
-320
0
0 400 800 1.2k 1.6k 2k
MAX291/MAX295
PHASE RESPONSE
MAX291/2/5/6-11
INPUT FREQUENCY (Hz)
PHASE SHIFT (Degrees)
MAX295
F
o
= 1kHz
MAX291
0
0 400 1.2k 2k
MAX292/296 PHASE RESPONSE
-300
-350
-100
-150
-50
INPUT FREQUENCY (Hz)
PHASE SHIFT (Degrees)
800 1.6k
-200
-250
f
o
= 1kHz
MAX291/2/5/6-12
Typical Operating Characteristics (continued)
(V+ = 5V, V- = -5V, T
A
= +25°C, f
CLK
= 100kHz (MAX291/MAX292) or f
CLK
= 50kHz (MAX295/MAX296), unless otherwise noted.)
MAX291/MAX292/MAX295/MAX296
4
Maxim Integrated