TPL0401A
TPL0401B
www.ti.com
SLIS144 –SEPTEMBER 2011
128 TAPS Single Channel Digital Potentiometer with I2C Interface
Check for Samples: TPL0401A, TPL0401B
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FEATURES
DESCRIPTION
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Single Channel, 128-Position Resolution
The TPL0401 is a single channel, linear-taper digital
potentiometer with 128 wiper positions. The
TPL0401A/B have the low terminal internal and
connected to GND. The position of the wiper can be
adjusted using an I2C interface. The TPL0401 is
available in a 6-pin SC-70 package with a specified
temperature range of –40°C to 125°C. The part has a
10k end-to-end resistance and can operate with a
supply voltage range of 2.7V to 5.5V. This kind of
product is widely used in setting the voltage reference
for low power DDR3 memory.
10 kΩ End-to-End Resistance Options
Low Temperature Coefficient: 35 ppm/°C
I2C Serial Interface
2.7 V to 5.5 V Single-Supply Operation
±20% Resistance Tolerance
'A' and 'B' Versions Have Different I2C
Addresses
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'L' Terminal Connected To GND
Operating Temperature –40°C to 125°C
Available in Industry Standard SC70 Packages
ESD Performance Tested per JESD 22
SC-70 DCK PACKAGE
(TOP VIEW)
–
2000 V Human Body Model
(A114-B, Class II)
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2
6
VDD
GND
SCL
H
5
W
APPLICATIONS
SDA
L
3
4
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Low Power DDR3 Voltage Reference
Adjustable Power Supplies
TPL0401A/B
Adjustable Gain Amplifiers and Offset
Trimming
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Precision Calibration of Set Point Thresholds
Sensor Trimming and Calibration
Mechanical Potentiometer Replacement
ORDERING INFORMATION
ORDERABLE PART
NUMBER
END-TO-END
RESISTANCE
TOP-SIDE
MARKING
TA
–40°C to 125°C SC70 – DCK
PACKAGE(1)
I2C ADDRESS
TPL0401A-10DCKR
TPL0401B-10DCKR
10-kΩ
10-kΩ
0101110
0111110
7TV
Tape and
Reel
7UV
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.