Typical Operating Characteristics (continued)
(VCC = 5V, VCM = 0V, RL = 10kΩ connected to VCC/2, SHDN = VCC, TA = +25°C, unless otherwise noted.)
MAX4238/MAX4239
Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
6
Maxim Integrated
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX4238/39
toc14
FREQUENCY (kHz)
CMRR
(dB)
100
10
0.1
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)
100
10
0.1
1
-140
-120
-100
-80
-60
-40
-20
0
-160
0.01
1000
MAX4239
GAIN AND PHASE vs. FREQUENCY
MAX4238/39
toc10
FREQUENCY (Hz)
GAIN
AND
PHASE
(dB/DEGREES)
1E+6
1E+5
1E+4
1E+3
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
-180
1E+2
1E+7
VCC = 5V
GAIN = 40dB
RL = 10k
Ω
CL = 0pF
MAX4239
SMALL-SIGNAL TRANSIENT RESPONSE
MAX4238/39 toc17
AV = 10V/V
RL = 2k
Ω
CL = 100pF
10
μs/div
OUT
IN
500mV/div
50mV/div
MAX4238
LARGE-SIGNAL TRANSIENT RESPONSE
MAX4238/39 toc15
AV = 1V/V
RL = 2k
Ω
CL = 100pF
10
μs/div
OUT
IN
1V/div
MAX4239
GAIN AND PHASE vs. FREQUENCY
MAX4238/39
toc11
FREQUENCY (Hz)
GAIN
AND
PHASE
(dB/DEGREES)
1E+6
1E+5
1E+4
1E+3
-160
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
-180
1E+2
1E+7
VCC = 5V
GAIN = 40dB
RL = 10k
Ω
CL = 100pF
OVERVOLTAGE RECOVERY TIME
MAX4238/39 toc18
AV = 100V/V
RL = 10k
Ω
VCC = 2.5V
VEE = -2.5V
400
μs/div
0
OUT
IN
1V/div
50mV/div
MAX4238
SMALL-SIGNAL TRANSIENT RESPONSE
MAX4238/39 toc16
AV = 1V/V
RL = 2k
Ω
CL = 100pF
10
μs/div
OUT
50mV/div
IN
50mV/div
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAx4238/39
toc12
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(μ
A)
4
3
2
1
200
300
400
500
600
0
100
05
TA = +125
°C
TA = +25
°C
TA = -40
°C