CAT5111L-00MSOP CATALYST [Catalyst Semiconductor], CAT5111L-00MSOP Datasheet - Page 6

• Manufacturer Part Number: CAT5111L-00MSOP
• Description: 100-Tap Digitally Programmable Potentiometer
• Manufacturer: CATALYST [Catalyst Semiconductor]

CS
OSC
CAT5114/5113
U/
APPLICATIONS INFORMATION
Potentiometer Configurations
Applications
DPP
Doc. No. 2009, Rev. R
Programmable Instrumentation Amplifier
V 1
(-)
(+)
+5V
V 2
1/4 74HC132
(a) resistive divider
0.01 F
IC3A
3
2
6
5
R 1
10k
+
+
–
–
R 2
R 2
A 1
A 2
1
7
R 3
R 3
CAT5112/5111
U/D
INC
CS
10
+5V
9
IC2
–
+
(b) variable resistance
Sensor Auto Referencing Circuit
R 4
R 4
+5V
4
11
A 3
+200mV
8
+2.5V
V O
+
–
U/
6
2
1
7
Sensor
V CORR
+5V
4
8
Programmable Sq. Wave Oscillator (555)
R A
R B
1V + 50mV
(c) two-port
499k
V SENSR
499k
.003 F
.01 F,
{
{
C
R 1
R 2
20k
2
3
6
3
7
–
+
5
+5V
499k
499k
-5V
}
}
11
4
ICIB
pR POT
(1-p)R POT
1
+
–
ICIA
100mV = V SHIFT
6
5
7
6
4
V OUT = 1V + 1mV
2
1.00V = V REF
555
8
1
3
5
+5V
.01 F