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  ON Semiconductor Electronic Components Datasheet  

CAT5120 Datasheet

16-Tap MiniPot Digitally Programmable Potentiometers

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CAT5120 pdf
CAT5120, CAT5121,
CAT5122
16‐tap Digital
Potentiometers (POTs)
with 2‐wire Interface
Description
CAT5120/5121/5122 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 16-tap
points that are digitally controlled through a 2-wire up/down serial
interface.
The CAT5120 is configured as a potentiometer. The CAT5121 and
CAT5122 are configured as variable resistors. See Pin Configurations
for part functionality.
Two resistance values are available: 10 kW and 50 kW. These are
available in space-saving 5-pin and 6-pin SC70 and SOT23
packages.
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
Available in SC70 and SOT23 Packages
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 CONFIGURATIONS
SC70
SOT23
VDD 1
6H
GND 2
5W
CAT5120
U/D 3
4 CS
SC70
SOT23
VDD 1
6H
GND 2
5L
CAT5121
U/D 3
4 CS
SC70
SOT23
VDD 1
5H
GND 2
CAT5122
U/D 3
4 CS
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
July, 2013 Rev. 8
1
Publication Order Number:
CAT5120/D


  ON Semiconductor Electronic Components Datasheet  

CAT5120 Datasheet

16-Tap MiniPot Digitally Programmable Potentiometers

No Preview Available !

CAT5120 pdf
CAT5120, CAT5121, CAT5122
VDD
GND
CS
H
W
U/D
L
Figure 1. Functional Diagram
Table 1. PIN DESCRIPTIONS
Name
Description
VDD
GND
Power Supply
Ground
U/D Up/Down Control Input. With CS low, a low-to-high transition increments or decrements the wiper position.
CS 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.
L Low Terminal of Resistor
W Wiper Terminal of Resistor
H High Terminal of Resistor
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameters
Ratings
Units
VDD to GND
All Other Pins to GND
Input and Output Latch-up Immunity
0.3 to +6
0.3 to (VDD + 0.3)
200
V
V
mA
Maximum Continuous Current into H, L and W
50 kW
ą10 kW
mA
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
Storage Temperature Range
+150
65 to +150
C
C
Soldering Temperature (soldering, 10 s)
+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 CAT5120
Description 16-Tap MiniPot Digitally Programmable Potentiometers
Maker ON Semiconductor
Total Page 11 Pages
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