(a)
(b)
CC
1
820pF
RC
2
eo
OPA2604
1
2
eo
OPA2604
ei
750Ω
CL
5000pF
CC
0.47µF
CL
5000pF
R2
RC
120 X 10–12 CL
ei
CC
=
2kΩ
10Ω
R2
RC
CC
=
=
4CL X 1010 – 1
CL X 103
RC
(c)
(d)
R1
R2
R1
2kΩ
R2
2kΩ
10kΩ
10kΩ
CC
RC
20Ω
24pF
CC
0.22µF
RC
1
1
2
2
eo
eo
OPA2604
OPA2604
ei
25Ω
ei
CL
5000pF
CL
5000pF
R2
50
RC
CC
=
=
CC
=
CL
2CL X 1010 – (1 + R2/R1)
R2
CL X 103
RC
(e)
(f)
R2
R1
2kΩ
R2
e1
2kΩ
2kΩ
R1
RC
20Ω
ei
1
1
2
2
2kΩ
eo
eo
OPA2604
OPA2604
CC
RC
20Ω
0.22µF
CL
5000pF
CL
5000pF
R3
2kΩ
RC
R4
CC
0.22µF
e2
2kΩ
R2
RC
CC
=
=
2CL X 1010 – (1 + R2/R1)
R2
=
=
2CL X 1010 – (1 + R2/R1)
CL X 103
RC
CL X 103
RC
CC
NOTE: Design equations and component values are approximate. User adjustment is required for optimum performance.
FIGURE 2. Driving Large Capacitive Loads.
®
9
OPA2604
BB [ BURR-BROWN CORPORATION ]
