OPA1662-Q1 Datasheet, PDF (12/30 Pages) Texas Instruments – Low-Power, Low Noise and Distortion, Bipolar-Input AUDIO OPERATIONAL AMPLIFIERS

OPA1662-Q1
SLOS805B – JULY 2012 – REVISED OCTOBER 2012
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TYPICAL CHARACTERISTICS (continued)
At T_A = 25°C, V_S = ±15 V, and R_L = 2 kΩ, unless otherwise noted.
PHASE MARGIN
vs CAPACITIVE LOAD
90
80
70
60
50
40
30
20
10
0
0
V_S = ± 18 V
V_S = ± 1.5 V
50 100 150 200 250 300 350 400
Capacitance (pF)
G036
Figure 31.
OPEN-LOOP GAIN vs TEMPERATURE
4
3.5
R_L = 10 kΩ
R_L = 2 kΩ
3
R_L = 600 Ω
2.5
2
1.5
1
0.5
0
−0.5
−1
−40 −15 10
35
60
85 110
Temperature (°C)
Figure 32.
135
G022
400
200
0
−200
−400
−600
−800
−1000
−40
I_B AND I_OS vs TEMPERATURE
I_OS
I_BP
I_BN
−15 10
35
60
85 110
Temperature (°C)
Figure 33.
135
G023
I_B AND I_OS vs COMMON-MODE VOLTAGE
200
0
−200
−400
−600
−800
−18 −14 −10 −6 −2 2
6 10
Common−Mode Voltage (V)
Figure 34.
−Ib
+Ib
Ios
14 18
G024
SUPPLY CURRENT vs TEMPERATURE
1.8
1.7
1.6
1.5
1.4
1.3
1.2
−40 −15
10
35
60
85
Temperature (°C)
Figure 35.
110
135
G025
SUPPLY CURRENT vs SUPPLY VOLTAGE
3
2.5
2
1.5
1
0.5
0
0 4 8 12 16 20 24 28 32 36 40
Supply Voltage (V)
G026
Figure 36.
12
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