OPA454_16 Datasheet, PDF (13/47 Pages) Texas Instruments – High-Voltage (100-V), High-Current (50-mA) Operational Amplifiers

www.ti.com
OPA454
SBOS391B – DECEMBER 2007 – REVISED MARCH 2016
Typical Characteristics (continued)
At T_P = 25°C, V_S = ±50 V, and R_L = 4.8 kΩ connected to GND, unless otherwise noted.
30
C_F = 0pF
25
C_F = 2.5pF
C_F = 5pF
20
T_C = -55°C
T_C = +25°C
10
T_A = +25°C
8
6
T_C = +85°C
4
15
T_C = +125°C
2
10
0
C_L = 200pF
C_L = 100pF
5
0
-5
0
100
200
300
400
500
-2
-4
-6
10k
R_F = 10kW, C_F = 50pF
R_F = 0W
100k
C_L = 50pF
1M
10M
G = +2
C_LOAD (pF)
R_F = 10 kΩ
V_CM = 0 V
Frequency (Hz)
See Application section Unity-Gain Noninverting Configuration.
Figure 37. Gain Peaking vs C_LOAD
10
T_A = +25°C
8
C_L = 500pF
6
Figure 38. Gain of +1 vs Frequency
20
0.08
15
0.06
V₁ (Inverting)
10
0.04
4
C_L = 50pF
2
0
-2
C_F = 0pF
-4
C_F = 2.5pF
C_F = 5pF
-6
10k
100k
1M
10M
Frequency (Hz)
See Application section Unity-Gain Noninverting Configuration.
5
0.02
V₂ (Noninverting)
0
0
-5
-0.02
-10
-0.04
V_IN
-15
-0.06
-20
-0.08
Time (1ms/div)
See the Settling Time section. The grid for voltage at V₁ and V₂ is
scaled 20 mV or 0.1% per division.
20-V Step
Gain = 1
R_F = 10 kΩ
Figure 39. Gain of +2 vs Frequency
20
0.08
Figure 40. Settling Time, Positive Step
15
0.06
V_IN
10
0.04
20V/div
OUT
5
0.02
0
0
V₂ (Noninverting)
50V/div
Status Flag
-5
-0.02
-10
-0.04
V₁ (Inverting)
-15
-0.06
-20
-0.08
Time (1ms/div)
See the Settling Time section. The grid for voltage at V₁ and V₂ is
scaled 20 mV or 0.1% per division.
20-V Step
Gain = 1
R_F = 10 kΩ
Enable
5V/div
Time (1ms/div)
Figure 41. Settling Time, Negative Step
Figure 42. Enable Response Time
Copyright © 2007–2016, Texas Instruments Incorporated
Product Folder Links: OPA454
Submit Documentation Feedback
13