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| OPA454_16 Datasheet, PDF (12/47 Pages) Texas Instruments – High-Voltage (100-V), High-Current (50-mA) Operational Amplifiers | |||
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OPA454
SBOS391B â DECEMBER 2007 â REVISED MARCH 2016
Typical Characteristics (continued)
At TP = 25°C, VS = ±50 V, and RL = 4.8 k⦠connected to GND, unless otherwise noted.
VIN
VIN
G = +1
TC = +60°C
CLOAD = 50pF
VCM = +30V
RF = 10kW
G = +1
TC = +105°C
CLOAD = 50pF
VCM = +30V
RF = 10kW
VOUT
VOUT
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Time (1ms/div)
Figure 31. Large-Signal Step Response
VIN
VOUT
Time (2.5ms/div)
G = +2
TC = +100°C
CLOAD = 100pF
VCM = +40V
RF = 10kW
Figure 33. Large-Signal Step Response
2.0
G = +1
1.5
1.0
G = +2
0.5
0
-0.5
-1.0
-1.5
-2.0
RF = 10kW
CLOAD = 100pF, 125°C
VCM = +40V
1ms/div
Figure 35. Step Response
Time (1ms/div)
Figure 32. Large-Signal Step Response
TC = +125°C
TC = +25°C
TC = -55°C
G = +1
CLOAD = 100pF
VCM = 0V
RF = 0W
Time (500ns/div)
Figure 34. Small-Signal Step Response
180
RF = 0W
160
RF = 10kW
TC = -55°C
140
TC = +25°C
120
TC = +85°C
100
TC = +125°C
80
60
40
20
0
0
100
200
300
400
500
CLOAD (pF)
See Application section, Unity-Gain Noninverting Configuration.
G = +1
VCM = 0 V
Figure 36. Gain Peaking vs CLOAD
12
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