Low-Cost, High-Slew-Rate,
Rail-to-Rail I/O Op Amps in SC70
Typical Operating Characteristics
(V
DD
= +5V, V
SS
= 0, V
CM
= V
DD
/2, R
L
= 100kΩ to V
DD
/2, T
A
= +25°C, unless otherwise noted.)
MAX4490/MAX4491/MAX4492
SUPPLY CURRENT PER AMPLIFIER
vs. TEMPERATURE
MAX4490 toc 01
SUPPLY CURRENT PER AMPLIFIER
vs. SUPPLY VOLTAGE
MAX4490 toc02
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
-0.2
-0.4
OFFSET VOLTAGE (mV)
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
-1.8
-2.0
MAX4490 toc03
850
800
SUPPLY CURRENT (µA)
750
700
650
V
DD
= +2.7V
600
550
500
V
DD
= +5.0V
1000
900
800
SUPPLY CURRENT (µA)
700
600
500
400
300
200
100
0
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
SUPPLY VOLTAGE (V)
OUTPUT SWING HIGH
vs. TEMPERATURE
70
60
V
DD
- V
OUT
(mV)
V
OUT
- V
SS
(mV)
50
40
30
20
10
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
V
DD
= +5.0V OR +2.7V
R
L
= 100kΩ
V
DD
= +2.7V
R
L
= 2kΩ
V
DD
= +5.0V
R
L
= 2kΩ
MAX4490 toc04
OUTPUT SWING LOW
vs. TEMPERATURE
MAX4490 toc05
OP AMP GAIN AND PHASE
vs. FREQUENCY
60
50
40
GAIN
GAIN (dB)
30
20
PHASE
10
0
-10
-20
100
A
V
= +1000
C
L
= 10pF
1k
10k
100k
1M
-45
-90
-135
-180
10M
45
0
MAX4490 toc06
80
80
70
60
50
40
30
20
10
0
V
DD
= +5.0V OR +2.7V
R
L
= 100kΩ
V
DD
= +2.7V
R
L
= 2kΩ
V
DD
= +5.0V
R
L
= 2kΩ
180
135
90
PHASE (DEGREES)
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
FREQUENCY (Hz)
GAIN AND PHASE
vs. FREQUENCY (WITH C
LOAD
)
60
50
40
GAIN (dB)
30
20
10
0
-10
-20
100
1k
10k
100k
1M
FREQUENCY (Hz)
A
V
= +1000
C
LOAD
= 200pF
PHASE
GAIN
LARGE-SIGNAL GAIN
vs. TEMPERATURE
MAX4490 toc08
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-10
-20
-30
PSSR (dB)
A
V
= +1
MAX4490 toc09
MAX4490 toc07
180
135
LARGE-SIGNAL GAIN (dB)
90
45
0
-45
-90
-135
PHASE (DEGREES)
130
V
DD
= 5.0V
120
0
110
-40
-50
-60
-70
100
90
-80
-90
-180
10M
80
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
-100
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
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3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
