Datasheet

MAX4238/MAX4239
Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
CC
= 5V, V
CM
= 0V, R
L
= 10kΩ connected to V
CC
/2, SHDN = V
CC
, T
A
= +25°C, unless otherwise noted.)
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX4238/39 toc14
FREQUENCY (kHz)
CMRR (dB)
100100.1 1
-140
-120
-100
-80
-60
-40
-20
0
0.01 1000
-160
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX4238/39 toc13
FREQUENCY (kHz)
PSRR (dB)
100100.1 1
-140
-120
-100
-80
-60
-40
-20
0
-160
0.01 1000
MAX4239
GAIN AND PHASE vs. FREQUENCY (T
A
= -40°C)
MAX4238/39 toc10
FREQUENCY (Hz)
GAIN AND PHASE (dB/DEGREES)
1M100k10k1k
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
-180
0.1k 10M
V
CC
= 5V
A
V
= 1000V/V
C
L
= 100pF
R
L
= 10kΩ
MAX4239
SMALL-SIGNAL TRANSIENT RESPONSE
MAX4238/39 toc17
A
V
= 10V/V
R
L
= 2kΩ
C
L
= 100pF
10µs/div
OUT
IN
500mV/div
50mV/div
MAX4238
LARGE-SIGNAL TRANSIENT RESPONSE
MAX4238/39 toc15
A
V
= 1V/V
R
L
= 2kΩ
C
L
= 100pF
10µs/div
OUT
IN
1V/div
1V/div
MAX4239
GAIN AND PHASE vs. FREQUENCY (T
A
= +125°C)
MAX4238/39 toc11
FREQUENCY (Hz)
GAIN AND PHASE (dB/DEGREES)
1M100k10k1k
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
-180
0.1k 10M
V
CC
= 5V
A
V
= 1000V/V
C
L
= 100pF
R
L
= 10kΩ
OVERVOLTAGE RECOVERY TIME
MAX4238/39 toc18
A
V
= 100V/V
R
L
= 10kΩ
V
CC
= 2.5V
V
EE
= -2.5V
400µs/div
0
0
OUT
IN
1V/div
50mV/div
MAX4238
SMALL-SIGNAL TRANSIENT RESPONSE
MAX4238/39 toc16
A
V
= 1V/V
R
L
= 2kΩ
C
L
= 100pF
10µs/div
OUT
50mV/div
IN
50mV/div
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAx4238/39 toc12
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
4321
200
300
400
500
600
0
100
05
T
A
= +125°C
T
A
= +25°C
T
A
= -40°C