Datasheet

MAX4289
1.0V Micropower, SOT23, Operational Amplifier
4 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
CC
= 3V, V
CM
= 0, R
L
to V
CC
/2, T
A
= +25°C, unless otherwise noted.)
4
6
5
8
7
9
10
-40 20 40-20 0 60 80 100
INPUT BIAS CURENT
vs. TEMPERATURE
MAX4289 toc04
TEMPERATURE (°C)
INPUT BIAS CURRENT (nA)
30
20
10
0
-10
0 1.50.5 1.0 2.0 2.5 3.0
INPUT BIAS CURRENT
vs. INPUT COMMON-MODE VOLTAGE
MAX4289 toc05
INPUT COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (nA)
0
6
4
2
10
8
18
16
14
12
20
-40 -20 0 20 40 60 80 100
OUTPUT SWING HIGH
vs. TEMPERATURE
MAX4289 toc06
TEMPERATURE (°C)
V
OH
(mV)
R
L
CONNECTED TO GND
R
L
= 5kΩ
R
L
= 100kΩ
0
6
4
2
10
8
18
16
14
12
20
-40 -20 0 20 40 60 80 100
OUTPUT SWING LOW
vs. TEMPERATURE
MAX4289 toc07
TEMPERATURE (°C)
V
OL
(mV)
R
L
CONNECTED TO V
CC
R
L
= 5kΩ
R
L
= 100kΩ
30
50
90
70
110
130
0 10050 150 200 250 300
OPEN-LOOP GAIN
vs. OUTPUT SWING LOW
MAX4289 toc08
V
OUT
FROM GND (mV)
GAIN (dB)
R
L
= 5kΩ
R
L
= 100kΩ
30
50
90
70
110
130
0 10050 150 200 250 300
OPEN-LOOP GAIN
vs. OUTPUT SWING HIGH
MAX4289 toc09
V
OUT
FROM V
CC
(mV)
GAIN (dB)
R
L
= 5kΩ
R
L
= 100kΩ
60
80
70
100
90
110
120
-40 20 40-20 0 60 80 100
OPEN-LOOP GAIN vs. TEMPERATURE
MAX4289 toc10
TEMPERATURE (°C)
GAIN (dB)
R
L
= 5kΩ
R
L
= 100kΩ
R
L
CONNECTED TO GND
60
80
70
100
90
110
120
-40 20 40-20 0 60 80 100
OPEN-LOOP GAIN vs. TEMPERATURE
MAX4289 toc11
TEMPERATURE (°C)
GAIN (dB)
R
L
= 5kΩ
R
L
= 100kΩ
R
L
CONNECTED TO V
CC
80
-20
0.01 0.1 1 10 100
GAIN AND PHASE vs. FREQUENCY
(C
L
= 0)
0
MAX4289 toc12
FREQUENCY (kHz)
GAIN (dB)
20
40
60
50
30
10
-10
70
180
-20
20
60
100
140
120
80
40
0
160
PHASE (DEGREES)
GAIN
PHASE