MAX4490 查看數據表（PDF） - Maxim Integrated
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MAX4490 Datasheet PDF : 8 Pages
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Low-Cost, High-Slew-Rate,
Rail-to-Rail I/O Op Amps in SC70
Typical Operating Characteristics
(VDD = +5V, VSS = 0, VCM = VDD/2, RL = 100kΩ to VDD/2, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT PER AMPLIFIER
vs. TEMPERATURE
850
800
VDD = +5.0V
750
700
650
VDD = +2.7V
600
550
500
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
OUTPUT SWING HIGH
vs. TEMPERATURE
80
70
VDD = +5.0V
RL = 2kΩ
60
50
VDD = +2.7V
40
RL = 2kΩ
30
20
VDD = +5.0V OR +2.7V
10
RL = 100kΩ
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
GAIN AND PHASE
vs. FREQUENCY (WITH CLOAD)
60
180 MAX4490 toc07
50
135
40
GAIN
90
30
45
20
0
10
-45
0
PHASE
-10
AV = +1000
CLOAD = 200pF
-20
100 1k 10k 100k 1M
FREQUENCY (Hz)
-90
-135
-180
10M
SUPPLY CURRENT PER AMPLIFIER
vs. SUPPLY VOLTAGE
1000
900
800
700
600
500
400
300
200
100
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
OUTPUT SWING LOW
vs. TEMPERATURE
80
70
60
VDD = +5.0V
50
RL = 2kΩ
40
30
VDD = +2.7V
RL = 2kΩ
20
VDD = +5.0V OR +2.7V
10
RL = 100kΩ
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
LARGE-SIGNAL GAIN
vs. TEMPERATURE
130
VDD = 5.0V
120
110
100
90
80
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
-1.8
-2.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
OP AMP GAIN AND PHASE
vs. FREQUENCY
60
180 MAX4490 toc06
50
135
40
90
GAIN
30
45
20
0
PHASE
10
-45
0
-10
AV = +1000
CL = 10pF
-20
100 1k
10k 100k 1M
FREQUENCY (Hz)
-90
-135
-180
10M
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
-10 AV = +1
-20
-30
-40
-50
-60
-70
-80
-90
-100
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
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