MAX4236/MAX4237
SOT23, Very High Precision, 3V/5V
Rail-To-Rail Op Amps
_______________________________________________________________________________________ 7
0
40
20
80
60
120
100
140
03.0
COMMON-MODE REJECTION RATIO
vs. COMMON-MODE INPUT VOLTAGE
MAX4236 toc04
COMMON-MODE INPUT VOLTAGE (V)
COMMON-MODE REJECTION RATIO (dB)
2.0 2.51.51.00.5
V
CC
= 3V
COMMON-MODE REJECTION RATIO
vs. FREQUENCY (V
CC
= 5V)
MAX4236 toc06
FREQUENCY (kHz)
COMMON-MODE REJECTION RATIO (dB)
120
0
40
60
80
100
0.01 10 100 10000.1 1 10,000
20
COMMON-MODE REJECTION RATIO
vs. FREQUENCY (V
CC
= 3V)
MAX4236 toc07
FREQUENCY (kHz)
COMMON-MODE REJECTION RATIO (dB)
140
0
40
60
80
100
0.01 10 100 10000.1 1 10,000
20
120
120
0.1 1 10 100 1000 10,000
100
80
40
20
0
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (V
CC
= 5V)
MAX4236 toc08
FREQUENCY (kHz)
PSSR (dB)
60
0.001 10 10000.10.01 1 100 10,000 100,000
MAX4237
OPEN-LOOP GAIN/PHASE
vs. FREQUENCY
MAX4236 toc09
FREQUENCY (kHz)
GAIN (dB)
-20
20
60
140
120
100
80
40
0
0
20
40
100
80
60
PHASE (DEGREES)
PHASE
GAIN
V
CC
= 5V/3V
C
L
= 15pF/200pF
Typical Operating Characteristics (continued)
(V
CC
= +5V, V
EE
= 0, V
CM
= V
CC
/2, R
L
= 100kΩ to V
CC
/2, T
A
= +25°C, unless otherwise noted.)
0.001 10 10000.10.01 1 100 10,000
MAX4236
OPEN-LOOP GAIN/PHASE
vs. FREQUENCY
MAX4236 toc10
FREQUENCY (kHz)
GAIN (dB)
-20
20
60
140
120
100
80
40
0
0
20
40
100
80
60
PHASE (DEGREES)
PHASE
GAIN
V
CC
= 5V/3V
C
L
= 15pF/200pF
25
20
15
10
5
0
0.01 1 100.1 100
INPUT VOLTAGE NOISE vs. FREQUENCY
MAX4236 toc11
FREQUENCY (kHz)
INPUT VOLTAGE NOISE (nV√Hz)
1
0.0001
10 100 10k 100k
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
0.001
0.01
0.1
MAX4236 toc12
FREQUENCY (Hz)
THD + NOISE (%)
1k
V
OUT
= 2Vp-p
0
40
20
80
60
120
100
140
021345
COMMON-MODE REJECTION RATIO
vs. COMMON-MODE INPUT VOLTAGE
MAX4236 toc05
COMMON-MODE INPUT VOLTAGE (V)
COMMON-MODE REJECTION RATIO (dB)
V
CC
= 5V
