rc4200 Fairchild Semiconductor, rc4200 Datasheet - Page 12

• Manufacturer Part Number: rc4200
• Description: Analog Multiplier
• Manufacturer: Fairchild Semiconductor

RC4200
Squaring Circuits Offset Adjust
12
10K R
R
R
R
R
8
9
5
16
, R
, R
, R
=
≤
15
14
6
R
10
=
0
=
=
(Input)
V
||
R
=
X
100Ω
100Ω
R
1
c
R
||
||
11
R
R
a
V
------ -
0.1
≤
a
S
50K
R
1
R
1
V
OS
R
13
R
0.1 F
R
5
R
+V
6
-V
Figure 11. Squaring Circuit Offset Adjust
R
a
µ
0.1 F
S
S
CX
µ
R
b
I
I
2
1
R
14
8
1
7
2
-V
Multiplier
+V
RC4200
S
3
REF
R
R
15
16
6
Procedure
1. Set both trimmer pots to 0V on the wiper.
2.
3. Connect V
5
4
R
I
c
I
3
4
Put in a full scale (±V
Adjust Z
on V
0.1 F
µ
0
outputs.
R 7 -R 10 can be used to cancel all
linearity errors caused by input
offsets and resistor product
mis-match (See Appendix 1).
R
OS
d
X
100 R
R
R
(R10) for uniform output.
+V
-V
O
input to ground. Adjust V
7
S
S
=
d
X
R
) squarewave on V
8
R
9
V
PRODUCT SPECIFICATION
O
+V
-V
(Output)
S
S
65-1874
R
10
REV. 1.2.1 6/14/01
OS
Z
OS
(R
X
input.
11
) for 0V