Datasheet

TYPICAL CHARACTERISTICS
0.1 1 10 100 1k 10k 100k 1M 10M
Frequency(Hz)
180
160
140
120
100
80
60
40
20
0
-20
Open-LoopGain,Phase(dB,
)°
R
LOAD
=4.87kW
C =50pF
V =0V
LOAD
CM
Phase
Gain
-75 0-50 -25 50 75 100 125
ExposedThermalPad Temperature( C)°
70
65
60
55
50
45
40
PhaseMargin( )°
25
C =200pF
L
C =30pF
L
C =100pF
L
V =0V
CM
V
CM
= -45V
V =+45V
CM
-75 0-50 -25 50 75 100 125
ExposedThermalPadTemperature( C)°
3.8
3.6
3.4
3.2
3.0
2.2
2.0
Bandwidth(MHz)
25
C =30pF.100pF,and200pF
L
V =45V
CM
V = 45V-
CM
V =0V
CM
2.8
2.6
2.4
1 1k10 100 100k 1M 10M
Frequency(Hz)
1M
100k
10k
1k
100
1
Open-LoopOutputImpedance( )W
10k
10
0 5 10 15 20 25
PeakI (mA)
L
140
130
120
110
100
90
80
70
60
A (dB)
OL
V
S
= ±50V
V
S
= ±15V
V
S
= ±4V
-75 -50 -25 0 25 50 75 100 125
ExposedThermalPad Temperature( C)°
140
130
120
110
100
90
80
70
60
50
A (dB)
OL
R =48kW
LOAD
V = 49V(dc)±
OUT
I = 1mA±
OUT
R =1.88kW
L
V
OUT
=+47V, -48V(dc)
I = 25mA±
OUT
R =900W
L
V , 47V(dc)-
OUT
=+45V
I =50mAto 52mA
OUT
-
R =4.8kW
L
OUT
OUT
V =+48V, 49V(dc)
I =+9.9mAto 10mA
-
-
OPA454
SBOS391A – DECEMBER 2007 – REVISED DECEMBER 2008 ....................................................................................................................................... www.ti.com
At T
P
= +25 ° C, V
S
= ± 50V, and R
L
= 4.8k Ω connected to GND, unless otherwise noted.
OPEN-LOOP GAIN AND PHASE
vs FREQUENCY PHASE MARGIN vs TEMPERATURE
Figure 2. Figure 3.
UNITY-GAIN BANDWIDTH OPEN-LOOP OUTPUT IMPEDANCE
vs TEMPERATURE vs FREQUENCY
Figure 4. Figure 5.
OPEN-LOOP GAIN vs PEAK-LOAD CURRENT OPEN-LOOP GAIN vs TEMPERATURE
Figure 6. Figure 7.
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