OPA454 Datasheet, PDF (14/36 Pages) Texas Instruments – High-Voltage (100V), High-Current (50mA) OPERATIONAL AMPLIFIERS, G = 1 Stable

OPA454
SBOS391 – DECEMBER 2007
TYPICAL CHARACTERISTICS (continued)
At T_P = +25°C, V_S = ±50V, and R_L = 4.8kΩ connected to GND, unless otherwise noted.
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I_LIMIT SHOWING FLAG DELAY
(T_P = +125°C)⁽⁹⁾
60
200
V_FLAG
50
150
40
100
30
50
20
I_OUT
10
0
R_P = 100kW
-10
10ms/div
Figure 48.
0
-50
-100
-150
I_LIMIT SHOWING FLAG DELAY
(T_P = –55°C)⁽¹¹⁾
60
150
V_FLAG
50
100
40
50
I_OUT
30
0
20
10
0
R_P = 100kW
-10
10ms/div
Figure 50.
-50
-100
-150
-200
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
REMOVE LOAD
(25mA Sink Response)
+125°C
+85°C
+25°C
-55°C
0.988VPP
0.01Hz
10ms/div
Figure 52.
+50V
OPA454
-50V
2Hz
2ms Pulse
Mercury
Wetted
Relay
I_LIMIT SHOWING FLAG DELAY
(T_P = +25°C)⁽¹⁰⁾
60
150
V_FLAG
50
100
40
50
I_OUT
30
0
20
10
0
R_P = 100kW
-10
10ms/div
Figure 49.
-50
-100
-150
-200
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-0.2
APPLY LOAD
(25mA Sink Response)
+125°C
+85°C
+25°C
-55°C
0.988VPP
0.01Hz
+50V
OPA454
-50V
2Hz
2ms Pulse
Mercury
Wetted
Relay
10ms/div
Figure 51.
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
0.988VPP
0.01Hz
APPLY LOAD
(25mA Source Response)
+50V
OPA454
-50V
2Hz
2ms Pulse
Mercury
Wetted
Relay
10ms/div
Figure 53.
+125°C
+85°C
+25°C
-55°C
(9) The OPA454 was connected to sufficient heatsinking to prevent thermal shutdown.
(10) The OPA454 was connected to sufficient heatsinking to prevent thermal shutdown.
(11) The OPA454 was connected to sufficient heatsinking to prevent thermal shutdown.
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