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ManualsBrandsRainbow Electronics ManualsReceivers and AmplifiersMAX4492
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MAX4490/MAX4491/MAX4492
Low-Cost, High-Slew-Rate,
Rail-to-Rail I/O Op Amps in SC70
_______________________________________________________________________________________ 3
500
600
550
700
650
800
750
850
-40 -10 5 20-25 35 50 65 80 95 110 125
SUPPLY CURRENT PER AMPLIFIER
vs. TEMPERATURE
MAX4490 toc 01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
V
DD
= 5V
V
DD
= 2.7V
0
300
200
100
500
400
900
800
700
600
1000
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.
5
SUPPLY CURRENT PER AMPLIFIER
vs. SUPPLY VOLTAGE
MAX4490 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
-2.0
-1.4
-1.6
-1.8
-1.0
-1.2
-0.2
-0.4
-0.6
-0.8
0
-40 -25 -10 5 20 35 50 8065 95 125110
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
MAX4490 toc03
TEMPERATURE (°C)
OFFSET VOLTAGE (mV)
0
20
10
30
60
70
50
40
80
-40 -10 5 20 35-25 50 65 80 95 110 125
OUTPUT SWING HIGH
vs. TEMPERATURE
MAX4490 toc04
TEMPERATURE (°C)
V
DD
- V
OUT
(mV)
V
DD
= 5V
R
L
= 2kΩ
V
DD
= 2.7V
R
L
= 2kΩ
V
DD
= 5V OR 2.7V
R
L
= 100kΩ
0
20
10
30
60
70
50
40
80
-40 -10 5 20 35-25 50 65 80 95 110 125
OUTPUT SWING LOW
vs. TEMPERATURE
MAX4490 toc05
TEMPERATURE (°C)
V
OUT
- V
SS
(mV)
V
DD
= 5V
R
L
= 2kΩ
V
DD
= 2.7V
R
L
= 2kΩ
V
DD
= 5V OR 2.7V
R
L
= 100kΩ
-20
0
-10
10
40
50
30
20
60
100 1k
10k
100k 1M 10M
OP AMP GAIN AND PHASE
vs. FREQUENCY
FREQUENCY (Hz)
GAIN (dB)
-180
-90
-135
-45
90
135
45
0
180
PHASE (DEGREES)
MAX4490 toc06
GAIN
PHASE
A
V
= 1000
C
L
= 10pF
-20
0
-10
10
40
50
30
20
60
100 1k 10k 100k 1M 10M
GAIN AND PHASE
vs. FREQUENCY (WITH C
LOAD
)
MAX4490 toc07
FREQUENCY (Hz)
GAIN (dB)
A
V
= 1000
C
LOAD
= 200pF
-180
-90
-135
-45
90
135
45
0
180
PHASE (DEGREES)
GAIN
PHASE
80
90
100
110
120
130
-40 -10 5-25 20 35 50 65 80 95 110 125
LARGE-SIGNAL GAIN
vs. TEMPERATURE
MAX4490 toc08
TEMPERATURE (°C)
LARGE-SIGNAL GAIN (dB)
V
DD
= 5V
-100
-70
-60
-90
-80
-30
-40
-50
-10
-20
0
10 1k 10k100 100k 1M 10M
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX4490 toc09
FREQUENCY (Hz)
PSSR (dB)
A
V
= 1
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.)