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  ON Semiconductor Electronic Components Datasheet  

CAT5125 Datasheet

32-tap Digital Potentiometers

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CAT5125 pdf
CAT5110, CAT5118,
CAT5119, CAT5123,
CAT5124, CAT5125
32‐tap Digital
Potentiometers (POTs)
with 2‐wire Interface
Description
CAT5110/18/19/23/24/25 linear-taper digital POTs perform the
same function as a mechanical potentiometer or a variable resistor.
These devices consist of a fixed resistor and a wiper contact with
32-tap points that are digitally controlled through a 2-wire up/down
serial interface.
The CAT5110 and CAT5125 are configured as potentiometers. The
CAT5118/19/23/24 are configured as variable resistors.
Three resistance values are available: 10 kW, 50 kW and 100 kW. All
devices are available in space-saving 5-pin and 6-pin SOT23
packages. The CAT5110/18/19 are also available in the SC70
package.
Features
0.3 mA Ultra-low Standby Current
Single-supply Operation: 2.7 V to 5.5 V
Glitchless Switching between Resistor Taps
Power-on Reset to Midscale
2-wire Up/Down Serial Interface
Resistance Values: 10 kW, 50 kW and 100 kW
Low Wiper Resistance: 80 W for CAT5123, CAT5124, CAT5125
CAT5110, CAT5118, CAT5119 Available in SC70
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
LCD Screen Adjustment
Volume Control
Mechanical Potentiometer Replacement
Gain Adjustment
Line Impedance Matching
http://onsemi.com
SC70
SD SUFFIX
CASE 419AD
SOT23
TB SUFFIX
CASE 527AJ
SC70
SD SUFFIX
CASE 419AC
SOT23
TB SUFFIX
CASE 527AH
PIN CONNECTIONS
SOT23
SC70
VDD 1
6 H VDD 1
6H
GND 2
5 W GND 2
5W
U/D
3
CAT5110
CAT5125
4
CS
U/D
3
CAT5110
4 CS
SOT23
SC70
VDD 1
5 H VDD 1
5H
GND 2
GND 2
U/D
3
CAT5118
CAT5123
4
CS
U/D
3
CAT5118
4
CS
SOT23
SC70
VDD 1
6 H VDD 1
6H
GND 2
5 L GND 2
5L
U/D
CAT5119
3 CAT5124
4
CS
U/D
3
CAT5119
4
CS
(Top Views)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
Semiconductor Components Industries, LLC, 2013
June, 2013 Rev. 13
1
Publication Order Number:
CAT5110/D


  ON Semiconductor Electronic Components Datasheet  

CAT5125 Datasheet

32-tap Digital Potentiometers

No Preview Available !

CAT5125 pdf
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
VDD
GND
CS
H
W
U/D
L
Figure 1. Functional Diagram
Table 1. PIN DESCRIPTIONS
Pin Number
CAT5110/
CAT5125
CAT5118/
CAT5123
CAT5119/
CAT5124
111
222
333
444
−−5
5−−
666
Pin
Name
VDD
GND
U/D
CS
L
W
H
Power Supply
Description
Ground
Up/Down Control Input. With CS low, a low-to-high transition increments
or decrements the wiper position.
Chip Select Input. A high-to-low CS transition determines the mode:
increment if U/D is high, or decrement if U/D is low.
Low Terminal of Resistor
Wiper Terminal of Resistor
High Terminal of Resistor
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameters
Ratings
Units
VDD to GND
All Other Pins to GND
Input and Output LatchUp Immunity
0.3 to +6
0.3 to (VDD + 0.3)
200
V
V
mA
Maximum Continuous Current into H, L and W
100 kW
50 kW
10 kW
mA
0.6
1.3
1.3
Continuous Power Dissipation (TA = +70C)
5-pin SC70 (Note 1)
6-pin SC70 (Note 1)
mW
247
245
Operating Temperature Range
40 to +85
C
Junction Temperature
+150
C
Storage Temperature Range
65 to +150
C
Soldering Temperature (soldering, 10 sec)
+300
C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Derate 3.1 mW/C above TA = +70C
http://onsemi.com
2


Part Number CAT5125
Description 32-tap Digital Potentiometers
Maker ON Semiconductor
Total Page 11 Pages
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