MAX4037

Manufacturer Part NumberMAX4037
DescriptionThe single MAX4036/MAX4037 and dual MAX4038/MAX4039 operational amplifiers operate from a single +1
ManufacturerMaxim
MAX4037 datasheet
 


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Low I
, +1.4V/800nA, Rail-to-Rail Op Amps
BIAS
with +1.2V Buffered Reference
(V
= 3V, V
= V
= 0V, R
to V
/2, T
DD
SS
CM
L
DD
GAIN AND PHASE
vs. FREQUENCY
80
70
GAIN
60
50
40
30
20
PHASE
10
0
-10
-20
A
= 1000V/V
V
-30
V
= 1mV
IN_
P-P
-40
1
10
100
FREQUENCY (Hz)
REFERENCE VOLTAGE
vs. TEMPERATURE
1.236
MAX4037/MAX4039
1.234
1.232
1.230
1.228
1.226
-40
-15
10
35
60
TEMPERATURE (°C)
REFERENCE VOLTAGE CHANGE
vs. SUPPLY VOLTAGE
1.0003
1.0002
1.0001
1.0000
0.9999
0.9998
0.9997
T
A
0.9996
0.9995
1.8
2.1
2.4
V
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
= +25°C, unless otherwise noted.)
A
MAX4036 toc25
180
2
-2
135
-6
90
-10
45
-14
0
-18
-45
-22
A
-90
V
-26
C
-135
-30
1k
10k
100k
100
REFERENCE VOLTAGE CHANGE
vs. TIME
1.234
1.233
MAX4037
1.232
MAX4039
1.231
1.230
85
0
100
200
300
400
TIME (HR)
REFERENCE LINE-TRANSIENT RESPONSE
3.6V
V
DD
1.8V
0V
T
= -40°C
A
V
T
= +25°C
REF
A
AC-COUPLED
50mV/div
= +85°C
2.7
3.0
3.3
3.6
(V)
DD
LARGE-SIGNAL GAIN
vs. FREQUENCY
R
= 1MΩ
L
R
= 5kΩ
L
R
= 100kΩ
L
= 1
V
= 1V
OUT_
P-P
= 12pF
L
1k
10k
100k
FREQUENCY (Hz)
REFERENCE VOLTAGE CHANGE
vs. LOAD CURRENT
1.02
T
= +85°C
A
T
= +25°C
1.01
A
T
= -40°C
A
1.00
0.99
0.98
500
600
-100
0
100
200
LOAD CURRENT (μA)
1ms/div
300
400
500