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CAT5121 Datasheet(PDF) 1 Page - ON Semiconductor

Part # CAT5121
Description  16?릘ap Digital Potentiometers (POTs)
Download  11 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

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 Semiconductor Components Industries, LLC, 2013
July, 2013 − Rev. 8
1
Publication Order Number:
CAT5120/D
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 k
W and 50 kW. These are
available in space-saving 5-pin and 6-pin SC−70 and SOT−23
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 SC−70 and SOT−23 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
SC−70
SD SUFFIX
CASE 419AD
PIN CONFIGURATIONS
SOT−23
TB SUFFIX
CASE 527AJ
SC−70
SD SUFFIX
CASE 419AC
SOT−23
TB SUFFIX
CASE 527AH
GND
H
2
CAT5122
16
1
5
34
2
3
4
W
5
CAT5120
SC−70
SOT−23
1
6
2
L
5
CAT5121
3
4
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
ORDERING INFORMATION
CS
U/D
VDD
GND
H
SC−70
SOT−23
CS
U/D
VDD
GND
H
SC−70
SOT−23
CS
U/D
VDD


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