MAX4238 Maxim, MAX4238 Datasheet - Page 6

• Manufacturer Part Number: MAX4238
• Description: The MAX4238/MAX4239 are low-noise, low-drift, ultra-high precision amplifiers that offer near-zero DC offset and drift through the use of autocorrelating zeroing techniques
• Manufacturer: Maxim

Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
(V
6
CC
-100
-120
-140
-160
-180
-100
-120
-140
-160
-20
-40
-60
-80
-20
-40
-60
-80
80
60
40
20
_______________________________________________________________________________________
0
0
= 5V, V CM = 0V, R
1E+2
0.01
SMALL-SIGNAL TRANSIENT RESPONSE
A
R
C
V
L
V
GAIN = 40dB
R
C
L
POWER-SUPPLY REJECTION RATIO
CC
L
= 2kΩ
L
= 1V/V
= 100pF
GAIN AND PHASE vs. FREQUENCY
= 10kΩ
= 0pF
= 5V
1E+3
0.1
vs. FREQUENCY
FREQUENCY (kHz)
FREQUENCY (Hz)
1E+4
MAX4238
MAX4239
1
10µs/div
L
1E+5
= 10kΩ connected to V
10
MAX4238/39 toc16
1E+6
100
1E+7
1000
IN
50mV/div
OUT
50mV/div
-100
-120
-140
-160
-180
-100
-120
-140
-160
Typical Operating Characteristics (continued)
-20
-40
-60
-80
-20
-40
-60
-80
CC
80
60
40
20
0
0
1E+2
0.01
/2, SHDN = V
SMALL-SIGNAL TRANSIENT RESPONSE
A
R
C
V
L
L
V
GAIN = 40dB
R
C
COMMON-MODE REJECTION RATIO
= 2kΩ
CC
L
= 10V/V
= 100pF
L
GAIN AND PHASE vs. FREQUENCY
= 10kΩ
= 100pF
= 5V
1E+3
0.1
vs. FREQUENCY
FREQUENCY (kHz)
FREQUENCY (Hz)
1E+4
MAX4239
MAX4239
CC
1
10µs/div
, T
A
1E+5
10
= +25°C, unless otherwise noted.)
MAX4238/39 toc17
1E+6
100
1E+7
1000
IN
OUT
50mV/div
500mV/div
600
500
400
300
200
100
0
0
0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
A
R
C
A
R
V
V
LARGE-SIGNAL TRANSIENT RESPONSE
V
L
V
L
CC
EE
L
= 1V/V
= 2kΩ
= 100pF
= 100V/V
= 10kΩ
T
OVERVOLTAGE RECOVERY TIME
= -2.5V
= 2.5V
A
= +125°C
1
SUPPLY VOLTAGE (V)
2
MAX4238
400µs/div
10µs/div
T
A
= +25°C
3
T
A
= -40°C
4
MAX4238/39 toc15
MAX4238/39 toc18
5
IN
1V/div
OUT
1V/div
IN
50mV/div
OUT
1V/div