CAT5115VI-50-TE13 ON Semiconductor, CAT5115VI-50-TE13 Datasheet - Page 2
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CAT5115VI-50-TE13
Manufacturer Part Number
CAT5115VI-50-TE13
Description
Manufacturer
ON Semiconductor
Datasheet
1.CAT5115VI-50-TE13.pdf
(9 pages)
Specifications of CAT5115VI-50-TE13
Number Of Elements
1
# Of Taps
32
Resistance (max)
50KOhm
Power Supply Requirement
Single
Interface Type
Serial (3-Wire)
Single Supply Voltage (typ)
3.3/5V
Dual Supply Voltage (typ)
Not RequiredV
Single Supply Voltage (min)
2.5V
Single Supply Voltage (max)
5.5V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Lead Free Status / Rohs Status
Compliant
INC
INC
INC
INC
INC: Increment Control Input
The INC input moves the wiper in the up or down
direction determined by the condition of the U/D input.
The U/D input controls the direction of the wiper
movement. When in a high state and CS is low, any high-
to-low transition on INC will cause the wiper to move one
increment toward the R
and CS is low, any high-to-low transition on INC will
cause the wiper to move one increment towards the
R
R
required that this terminal be connected to a potential
greater than the R
terminal cannot exceed the supply voltage, V
below ground, GND.
R
on the resistor array is controlled by the control inputs, INC,
U/D and CS. Voltage applied to the R
exceed the supply voltage, V
R
required that this terminal be connected to a potential
less than the R
terminal cannot exceed the supply voltage, V
below ground, GND. R
interchangeable.
CAT5115
Doc. No. 2117, Rev. F
GND
GND
INC
U/D
INC
U/D
L
H
W
L
D D D D D : Up/Down Control Input
R H
R H
: Low End Potentiometer Terminal
is the low end terminal of the potentiometer. It is not
terminal.
: Wiper Potentiometer Terminal
is the high end terminal of the potentiometer. It is not
is the wiper terminal of the potentiometer. Its position
High End Potentiometer Terminal
1
2
3
4
1
2
3
4
8
7
6
5
8
7
6
5
H
terminal. Voltage applied to the R
L
R L
R L
terminal. Voltage applied to the R
V
CS
R W
V
CS
R W
CC
CC
H
terminal. When in a low state
L
V
CC
INC
U/D
GND
CS
CC
INC
U/D
and R
R
or go below ground, GND.
H
1
2
3
4
1
2
3
4
H
W
are electrically
terminal cannot
8
7
6
5
8
7
6
5
CC
CC
R
V
CS
R
R
R
R
GND
or go
or go
CC
W
L
H
L
W
H
L
2
CS
CS: Chip Select
CS
The chip select input is used to activate the control input
of the CAT5115 and is active low. When in a high
state, activity on the INC and U/D inputs will not
affect or change the position of the wiper.
The CAT5115 operates like a digitally controlled
potentiometer with R
and low terminals and R
potentiometer's wiper. There are 32 available tap
positions including the resistor end points, R
There are 31 resistor elements connected in series
between the R
connected to one of the 32 taps and controlled by three
inputs, INC, U/D and CS. These inputs control a five-bit
up/down counter whose output is decoded to select the
wiper position.
With CS set LOW the CAT5115 is selected and will
respond to the U/D and INC inputs. HIGH to LOW
transitions on INC wil increment or decrement the
wiper (depending on the state of the U/D input and five-
bit counter). The wiper, when at either fixed terminal,
acts like its mechanical equivalent and does not move
beyond the last position. When the CAT5115 is powered-
down, the wiper position is reset. When power is restored,
the counter is set to the mid point, tap 15.
CS
CS
INC
U/D
R
GND
R
R
CS
V
CC
H
W
L
H
Increment Control
Up/Down Control
Potentiometer High Terminal
Ground
Potentiometer Wiper Terminal
Potentiometer Low Terminal
Chip Select
Supply Voltage
and R
H
L
and R
W
terminals. The wiper terminal is
equivalent to the mechanical
L
equivalent to the high
H
and R
L
.