OPA1662
OPA1664
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SBOS489 –DECEMBER 2011
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS = ±15 V, and RL = 2 kΩ, unless otherwise noted.
PHASE MARGIN
vs CAPACITIVE LOAD
OPEN-LOOP GAIN vs TEMPERATURE
90
4
3.5
3
RL = 10 kΩ
RL = 2 kΩ
RL = 600 Ω
80
70
60
50
40
30
20
2.5
2
1.5
1
0.5
0
VS = ± 18 V
VS = ± 1.5 V
10
−0.5
−1
0
0
50
100
150
200
250
300
350
400
−40
−15
10
35
60
85
110
135
Capacitance (pF)
Temperature (°C)
G036
G022
Figure 31.
Figure 32.
IB AND IOS vs TEMPERATURE
IB AND IOS vs COMMON-MODE VOLTAGE
400
200
200
0
IOS
IBP
IBN
0
−200
−400
−600
−800
−200
−400
−600
−800
−1000
−Ib
+Ib
Ios
−40
−15
10
35
60
85
110
135
−18 −14 −10
−6
−2
2
6
10
14
18
Temperature (°C)
Common−Mode Voltage (V)
G023
G024
Figure 33.
Figure 34.
SUPPLY CURRENT vs TEMPERATURE
SUPPLY CURRENT vs SUPPLY VOLTAGE
1.8
3
2.5
2
1.7
1.6
1.5
1.4
1.3
1.2
1.5
1
0.5
0
−40
−15
10
35
60
85
110
135
0
4
8
12
16
20
24
28
32
36
40
Temperature (°C)
Supply Voltage (V)
G025
G026
Figure 35.
Figure 36.
Copyright © 2011, Texas Instruments Incorporated
11
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