rc4200 Fairchild Semiconductor, rc4200 Datasheet - Page 6

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

RC4200
Procedure
1. Set all trimmer pots to 0V on the wiper.
2. Connect V
6
R
R
R
R
R
1
c
0
a
b
=
=
=
=
wave on V
on V
=
---------------- - , R
200µA
R
------------ - , R
∆V
---------------------------- -
------------------------------------------------------------------------------- -
250µA∆V
------------------------------------------------------------------------------- -
250µA∆V
∆V
R
a
V
(Input)
V
(Input)
0
160µA
R
d
X
Y
X
output (adjust for 0 feedthrough).
b
X
∆V
X
OS
Y
X
Y
CX
K
input to ground. Put in a full scale square
input. Adjust X
2
X
Y
∆V
∆V
=
=
–
–
+V
R
Y
X
200µA V
X
200µA V
---------------- - , R
200µA
R
------------ -, R
S
5
OS
∆V
V
V
+V
–V
R
1
R
REF
R
REF
d
S
S
9
–V
Y
b
S
cy
R
X
Y
R
R
OS
R
d
2
(
6
(
CY
1
R
max.
max.
=
=
(R
10
R
------------ -
5
---------------- -
250µA
V
R
R
) for no square wave
2
R
)
)
0.1 µF
R
Figure 5. Multiplying Circuit Offset Adjust
REF
7
d
8
R
a
R
R
R
a
12
11
CX
R
b
I
I
2
1
0.1 µF
8
7
1
2
–V
RC4200
S
3
0.1 µF
6
Multiplying Circuit Offset Adjust
10K ≤ R
R
R
R
R
R
R
3.
4.
7
6
15
8
12
13
R
5
R
4
= R
= R
= R
14
c
I
I
= 100Ω (V
= R
= R
3
Connect V
wave on V
on V
Connect V
on V
4
11
10
1
2
0
5
| |
R
0
0
= R
= 100Ω (V
| |
| |
= R
13
R
output (adjust for 0 feedthrough).
output.
R
R
a
R
14
b
C
9
d
Y
X
X
S
= R
100 R
, = 100Ω
| |
/0.10)
R
R
crossproduct errors caused by resistor
product mismatch.
R
RC5534
input. Adjust Y
and V
–
+
input to ground. Put in a full scale square
R
17
17
15
16
CX
–R
R
S
d
O
≤ 50K
/0.05)
20
Y
| |
+V
to ground. Adjust V
can be used to help cancel
R
+V
–V
R
REF
CY
18
S
S
R19
R
16
OS
PRODUCT SPECIFICATION
(R
V
OS
9
+V
–V
) for no square wave
V
(Output)
65-4200-06
O
S
S
R20 Z
REV. 1.2.1 6/14/01
OS
(R
OS
16
) for 0V