參數(shù)資料
型號: OPA2681
英文描述: SpeedPlus Wideband, Current Feedback Operational
中文描述: SpeedPlus寬帶,電流反饋運算
文件頁數(shù): 9/12頁
文件大小: 210K
代理商: OPA2681
9
OPA2604
FIGURE 2. Driving Large Capacitive Loads.
NOTE: Design equations and component values are approximate. User adjustment is required for optimum performance.
C
C
820pF
R
C
750
C
5000pF
e
i
C
C
=
120 X 10
–12
C
L
(a)
e
o
C
5000pF
e
i
R
C
=
(b)
R
C
10
C
C
0.47μF
R
2
2k
R
2
4C
L
X 10
10
– 1
C
C
=C
L
X 10
3
R
C
e
o
C
5000pF
R
2
10k
C
C
R
1
10k
C
C
=
50
R
2
C
L
e
i
R
C
25
24pF
(c)
e
o
C
5000pF
C
5000pF
R
2
2k
R
1
2k
e
i
R
C
20
C
C
0.22μF
(d)
R
C
=
R
2
2C
L
X 10
10
– (1 + R
2
/R
1
)
e
o
C
5000pF
R
2
2k
R
1
2k
e
i
R
C
20
C
C
0.22μF
(e)
R
C
=
R
2
2C
L
X 10
10
– (1 + R
2
/R
1
)
e
o
R
2
2k
R
1
2k
e
1
R
C
20
C
C
0.22μF
(f)
R
C
=
R
2
2C
L
X 10
10
– (1 + R
2
/R
1
)
R
3
2k
e
2
R
4
2k
e
o
1 2
OPA2604
1 2
OPA2604
1 2
OPA2604
1 2
OPA2604
1 2
OPA2604
1 2
OPA2604
C
C
=C
L
X 10
3
R
C
C
C
=C
L
X 10
3
R
C
C
C
=C
L
X 10
3
R
C
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