Top View
ACF2101BU
Top View
ACF2101BP
Guards
Input
Input
1
2
3
4
5
6
7
8
9
Out A
Gnd A
Com A
Cap A
In A
24
23
22
21
20
19
18
17
16
15
14
13
1
2
Sw In B
In B
Sw In A 24
In A 23
Cap A 22
Com A 21
Gnd A 20
Out A 19
18
VOUT
*
3
Cap B
Com B
Gnd B
Out B
4
V+
*
*
5
1µF
Input
V+
V–
Sw In A
Sw In B
In B
6
Guards
VOUT
VOUT
Input
7
1µF
8
17
V–
Cap B
9
16
10 Com B
11 Gnd B
12 Out B
10
11
15
*
14
1µF
1µF
DIP
SOIC
12 V–
V+ 13
+
+
VOUT
*
Optional External C
* Optional External C
V–
V+
These points must be connected to a
common ground point or a ground plane.
These points must be connected to a
common ground point or a ground plane.
FIGURE 1d. Circuit Connections with External Capacitors
FIGURE 1c. Circuit Connections with External Capacitors
and Guarding, DIP.
and Guarding, SOIC package.
ACF2101BU
ACF2101BP
Guards
1 Sw In B
2 In B
Sw In A 24
In A 23
3 Cap B
4 Com B
Cap A 22
Com A 21
3 Com A
4 Cap A
5 In A
6 Sw In A
Guards
7 Sw In B
8 In B
9 Cap B
10 Com B
SOIC
DIP
FIGURE 2a. PC Board Layout Showing “Guard” Traces for
Input, SOIC package. Both top and bottom of
board should be guarded.
FIGURE 2b. PC Board Layout Showing “Guard” Traces for
Input, DIP. Both top and bottom of board
should be guarded.
®
8
ACF2101
BB [ BURR-BROWN CORPORATION ]
