Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
Typical Operating Characteristics
(V
= 5V, V
= 0V, R = 10kΩ connected to V /2, SHDN = V , T = +25°C, unless otherwise noted.)
L CC CC A
CM
CC
OFFSET VOLTAGE
vs. COMMON-MODE VOLTAGE
INPUT OFFSET DISTRIBUTION
OFFSET VOLTAGE vs. SUPPLY VOLTAGE
50
40
30
20
10
0
0.4
0.4
0.2
0
T
= +125°C
= +25°C
A
T
= +125°C
A
T
= +25°C
A
0.2
0
T
= -40°C
A
T
A
T
= -40°C
A
-0.2
-0.4
-0.2
-0.4
-1.5 -1.2 -0.9 -0.6 -0.3
0
0.3 0.6 0.9 1.2 1.5
2.7
3.4
4.1
4.8
5.5
0
0.9
1.8
2.7
3.6
OFFSET VOLTAGE (µV)
SUPPLY VOLTAGE (V)
COMMON-MODE VOLTAGE (V)
MAX4238
OUTPUT HIGH VOLTAGE
vs. OUTPUT SOURCE CURRENT
OUTPUT LOW VOLTAGE
vs. OUTPUT SINK CURRENT
GAIN AND PHASE vs. FREQUENCY (T = +25°C)
A
0.30
0.25
0.20
0.15
0.10
0.05
0
0.35
0.30
0.25
0.20
0.15
80
60
40
20
0
-20
-40
-60
V
OH
= V - V
CC
OUT
V
= 2.7V
CC
V
= 2.7V
CC
V
= 5V
CC
V
= 5V
CC
-80
-100
-120
-140
-160
-180
0.10
0.05
V
A
= 5V
CC
= 1000V/V
V
C = 100pF
L
L
R = 10kΩ
0
0
5
10
15
20
0
5
10
15
20
0.1k
1k
10k
100k
1M
10M
SOURCE CURRENT (mA)
SINK CURRENT (mA)
FREQUENCY (Hz)
MAX4238
MAX4238
MAX4239
GAIN AND PHASE vs. FREQUENCY (T = -40°C)
GAIN AND PHASE vs. FREQUENCY (T = +125°C)
GAIN AND PHASE vs. FREQUENCY (T = +25°C)
A
A
A
80
60
40
20
0
80
60
40
20
80
60
40
20
0
0
-20
-40
-60
-20
-40
-60
-80
-20
-40
-60
-80
-80
-100
-120
-140
-160
-180
-100
-120
-140
-160
-180
-100
-120
-140
-160
-180
V
A
= 5V
V
A
= 5V
V
A
= 5V
CC
V
CC
CC
= 1000V/V
= 1000V/V
= 1000V/V
V
V
C = 100pF
C = 100pF
C = 100pF
L
L
L
L
L
R = 10kΩ
R = 10kΩ
R = 10kΩ
L
0.1k
1k
10k
100k
1M
10M
0.1k
1k
10k
100k
1M
10M
0.1k
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
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5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
