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TPL0401A 数据表(PDF) 2 Page - Texas Instruments

部件名 TPL0401A
功能描述  128-TAPS Single-Channel Digital Potentiometer With I2C Interface
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TPL0401A 数据表(HTML) 2 Page - Texas Instruments

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TPL0401A
TPL0401B
SLIS144B – SEPTEMBER 2011 – REVISED FEBRUARY 2017
www.ti.com
Product Folder Links: TPL0401A TPL0401B
Submit Documentation Feedback
Copyright © 2011–2017, Texas Instruments Incorporated
Table of Contents
1
Features .................................................................. 1
2
Applications ........................................................... 1
3
Description ............................................................. 1
4
Revision History..................................................... 2
5
Device Comparison Table..................................... 3
6
Pin Configuration and Functions ......................... 3
7
Specifications......................................................... 4
7.1
Absolute Maximum Ratings ...................................... 4
7.2
ESD Ratings.............................................................. 4
7.3
Recommended Operating Conditions ....................... 4
7.4
Thermal Information ................................................. 4
7.5
Electrical Characteristics........................................... 5
7.6
Timing Requirements ................................................ 6
7.7
Typical Characteristics .............................................. 7
8
Parameter Measurement Information .................. 9
9
Detailed Description ............................................ 11
9.1
Overview ................................................................. 11
9.2
Functional Block Diagram ....................................... 11
9.3
Feature Description................................................. 11
9.4
Device Functional Modes........................................ 11
9.5
Programming........................................................... 15
9.6
Register Maps ........................................................ 19
10
Application and Implementation........................ 21
10.1
Application Information.......................................... 21
10.2
Typical Application ............................................... 21
11
Power Supply Recommendations ..................... 23
11.1
Power Sequence................................................... 23
11.2
Power-On Reset Requirements ........................... 23
11.3
I2C Communication After Power Up ..................... 23
11.4
Wiper Position While Unpowered and After Power
Up............................................................................. 24
12
Layout................................................................... 25
12.1
Layout Guidelines ................................................. 25
12.2
Layout Example .................................................... 25
13
Device and Documentation Support ................. 26
13.1
Documentation Support ........................................ 26
13.2
Related Links ........................................................ 26
13.3
Receiving Notification of Documentation Updates 26
13.4
Community Resources.......................................... 26
13.5
Trademarks ........................................................... 26
13.6
Electrostatic Discharge Caution ............................ 26
13.7
Glossary ................................................................ 26
14
Mechanical, Packaging, and Orderable
Information ........................................................... 26
4 Revision History
Changes from Revision A (March 2012) to Revision B
Page
Added Device Information table, ESD Ratings table, Feature Description section, Device Functional Modes,
Application and Implementation section, Power Supply Recommendations section, Layout section, Device and
Documentation Support section, and Mechanical, Packaging, and Orderable Information section....................................... 1
Changed this data sheet to the new SDA format .................................................................................................................. 1
Removed the obsolete TPL0401C device from the data sheet.............................................................................................. 1
Removed TPL0401C references ........................................................................................................................................... 1
Changed TA max value to 125°C from 128°C ........................................................................................................................ 4
Deleted ILKG ........................................................................................................................................................................... 5
Changed RH typical and max values ...................................................................................................................................... 5
Changed IDD(STBY) measurement point from 85°C to 105°C ................................................................................................... 5
IIN-DIG min and max values increased .................................................................................................................................... 5
Added Rheostat mode parameters ........................................................................................................................................ 5
Corrected typo to tOCF from tICF .............................................................................................................................................. 6
Corrected typo to tVD(DATA) from tVD(ACK) ................................................................................................................................. 6
Updated Typical Characteristics graphs ................................................................................................................................ 7
Updated Resistance Values table ....................................................................................................................................... 12
Added power supply recommendations .............................................................................................................................. 23
Changes from Original (September 2011) to Revision A
Page
Added TPL0401C device to the Datasheet ........................................................................................................................... 1
Added TPL0401C Package ................................................................................................................................................... 1
Added TPL0401C Functional Block Diagram ......................................................................................................................... 1


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