Datasheet

Typical Operating Characteristics
(V
CC
= 5V, V
CM
= 0V, R
L
= 10kΩ connected to V
CC
/2, SHDN = V
CC
, T
A
= +25°C, unless otherwise noted.)
MAX4238/MAX4239
Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
5
Maxim Integrated
MAX4238
GAIN AND PHASE vs. FREQUENCY
MAX4238/39 toc09
FREQUENCY (Hz)
GAIN AND PHASE (dB/DEGREES)
1M100k10k1k
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
-180
100 10M
V
CC
= 5V
GAIN = 40dB
R
L
= 10kΩ
C
L
= 68pF
MAX4238
GAIN AND PHASE vs. FREQUENCY
MAX4238/39 toc07
FREQUENCY (Hz)
GAIN AND PHASE (dB/DEGREES)
1M100k10k1k
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
-180
100 10M
V
CC
= 5V
GAIN = 60dB
R
L
= 10kΩ
C
L
= 100pF
MAX4238
GAIN AND PHASE vs. FREQUENCY
MAX4238/39 toc06
FREQUENCY (Hz)
GAIN AND PHASE (dB/DEGREES)
1M100k10k1k
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
-180
100 10M
V
CC
= 5V
GAIN = 60dB
R
L
= 10kΩ
C
L
= 0pF
OUTPUT LOW VOLTAGE
vs. OUTPUT SINK CURRENT
MAX4238/39 toc05
SINK CURRENT (mA)
OUTPUT LOW VOLTAGE (V)
15105
0.05
0.10
0.15
0.20
0.25
0.35
0.30
0
020
V
CC
= 2.7V
V
CC
= 5V
OUTPUT HIGH VOLTAGE
vs. OUTPUT SOURCE CURRENT
MAX4238/39 toc04
SOURCE CURRENT (mA)
OUTPUT HIGH VOLTAGE (V)
15105
0.05
0.10
0.15
0.20
0.25
0.30
0
020
V
OH
= V
CC
- V
OUT
V
CC
= 2.7V
V
CC
= 5V
OFFSET VOLTAGE
vs. COMMON-MODE VOLTAGE
MAX4238/39 toc03
COMMON-MODE VOLTAGE (V)
OFFSET VOLTAGE (μV)
2.71.80.9
-0.2
0
0.2
0.4
-0.4
03.6
T
A
= +125°C
T
A
= +25°C
T
A
= -40°C
OFFSET VOLTAGE vs. SUPPLY VOLTAGE
MAX4238/39 toc02
SUPPLY VOLTAGE (V)
OFFSET VOLTAGE (μV)
4.84.13.4
-0.2
0
0.2
0.4
-0.4
2.7 5.5
T
A
= +125°C
T
A
= +25°C
T
A
= -40°C
INPUT OFFSET DISTRIBUTION
MAX4238/39 toc01
OFFSET VOLTAGE (μV)
PERCENTAGE OF UNITS (%)
1.51.20.90.60.30-0.3-0.6-0.9-1.2-1.5
10
20
30
40
50
0
MAX4238
GAIN AND PHASE vs. FREQUENCY
MAX4238/39 toc08
FREQUENCY (Hz)
GAIN AND PHASE (dB/DEGREES)
1M100k10k1k
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
-180
100 10M
V
CC
= 5V
GAIN = 40dB
R
L
= 10kΩ
C
L
= 0pF