Datasheet
10k 100k
1M
10M 100M 1G
Frequency(Hz)
60
50
40
30
20
10
0
10
20
-
-
Open-LoopGain(dB)
Open-LoopPhase( )°
0
45
90
135
180
-
-
-
-
A Phase
OL
A Gain
OL
5
0
5
10
15
20
25
-
-
-
-
-
Gain(dB)
100k 1M 10M 100M 1G
Frequency(Hz)
C =10pF,R =30.1W
L ISO
C =1000pF,R =5
L ISO
W
C =100pF,R =12.1
L ISO
W
V = 6.0V
G=+1V/V
S
±
1k
100
10
1
0.1
0.01
ClosedLoopOutputImpedance( )W
100k
1M
10M 100M
1G
Frequency(Hz)
V = 6.0V
G=+1V/V
S
±
130
120
110
100
90
80
70
60
50
40
T
ransimpedanceGain(dB )
W
100k
1M
10M 100M
Frequency(Hz)
R =1M ,C =Open
F F
W
R =1k ,C =3.3pF
F F
W
R =10k ,
C =Open
F
F
W
R =10k ,C =1pF
F F
W
R =100k ,C =Open
F F
W
R =100k ,
C =0.25pF
F
F
W
R =1k ,C =Open
F F
W
130
120
110
100
90
80
70
60
50
40
T
ransimpedanceGain (dB )
W
100k
1M
10M 100M
Frequency(Hz)
R =1M ,C =Open
F F
W
R =1k ,C =4.7pF
F F
W
R =10k ,
C =Open
F
F
W
R =10k ,C =1.5pF
F F
W
R =100k ,C =Open
F F
W
R =100k ,
C =0.5pF
F
F
W
R =1k ,C =Open
F F
W
130
120
110
100
90
80
70
60
50
40
T
ransimpedanceGain (dB )
W
100k
1M
10M 100M
Frequency(Hz)
R =1M ,C =Open
F F
W
R =1k ,C =4.7pF
F F
W
R =10k ,
C =Open
F
F
W
R =10k ,C =1.5pF
F F
W
R =100k ,C =Open
F F
W
R =100k ,
C =0.5pF
F
F
W
R =1k ,C =Open
F F
W
R =1M ,
C =0.25pF
W
F
F
OPA659
SBOS342B – DECEMBER 2008 – REVISED AUGUST 2009 ............................................................................................................................................
www.ti.com
TYPICAL CHARACTERISTICS (continued)
At V
S
= ± 6V, R
F
= 0 Ω , G = +1V/V, and R
L
= 100 Ω , unless otherwise noted.
FREQUENCY RESPONSE
vs CAPACITIVE LOAD (R
LOAD
= 1k Ω ) OPEN-LOOP GAIN AND PHASE
Figure 25. Figure 26.
CLOSED-LOOP OUTPUT IMPEDANCE TRANSIMPEDANCE GAIN
vs FREQUENCY vs FREQUENCY (C
D
= 10pF)
Figure 27. Figure 28.
TRANSIMPEDANCE GAIN TRANSIMPEDANCE GAIN
vs FREQUENCY (C
D
= 22pF) vs FREQUENCY (C
D
= 47pF)
Figure 29. Figure 30.
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