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OPA622
16
FIGURE 16. Test Circuit Schematic.
FIGURE 15. Average Supply Current vs Frequency (Square Wave).
R
QC
390
2
4
3
R
4
NC
(1)
5
+V
CC OUT
10
11
9
OB
Out
R
1
330
6
–V
CC OUT
13
8
R
OG
150
FB
OTA
OPA622
R
3
0
C
OTA
–V
CC
Z
O
= 50
R
5
NC
(1)
R
IN
50
1pF
Biasing
R
6
NC
(1)
R
= 50
NC
(1)
Z
O
= 50
R
= 50
R
L2
100
R
L1
100
R
ING
NC
(1)
R
LR
150
Z
O
= 50
In
POS
In
NEG
R
2
330
12
–V
CC
+V
CC
C
1
C
2
+5V
C
6
C
5
R
9
10
R
8
10
C
3
C
4
11
6
12
5
470pF
10nF
2.2μF
Gnd
–5V
470pF
10nF
2.2μF
R
L
50
NOTE: (1) NC = Not connected on Demo Board.
Component values shown are for GCL = +2.
See Table I for recommended values for
other closed-loop gains.
Frequency (Hz)
A
25
20
15
10
5
0
1k
10k
100k
1M
10M
100M
1G
x
x
x
x
x
x
x
x
x
G
CL
= +2V/V, R
LOAD
= 100
2.8Vp-p
1.4Vp-p
0.2Vp-p
5Vp-p
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