PCM1681, PCM1681-Q1
SLES211C – FEBRUARY 2008 – REVISED JULY 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Description (continued)......................................... 3
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ..................................... 5
7.2 ESD Ratings: PCM1681 ........................................... 5
7.3 ESD Ratings: PCM1681-Q1 ..................................... 5
7.4 Recommended Operating Conditions....................... 6
7.5 Thermal Information .................................................. 6
7.6 Electrical Characteristics........................................... 7
7.7 Interface Timing Requirements................................. 9
7.8 Typical Characteristics ............................................ 10
8 Detailed Description ............................................ 14
8.1 Overview ................................................................. 14
8.2 Functional Block Diagram ....................................... 14
8.3 Feature Description................................................. 15
8.4 Device Functional Modes........................................ 24
8.5 Programming........................................................... 24
8.6 Register Maps ......................................................... 26
9 Application and Implementation ........................ 32
9.1 Application Information............................................ 32
9.2 Typical Application ................................................. 32
10 Power Supply Recommendations ..................... 34
11 Layout................................................................... 35
11.1 Layout Guidelines ................................................. 35
11.2 Layout Example .................................................... 35
12 Device and Documentation Support ................. 36
12.1 Device Support .................................................... 36
12.2 Documentation Support ........................................ 36
12.3 Related Links ........................................................ 36
12.4 Trademarks ........................................................... 36
12.5 Electrostatic Discharge Caution ............................ 36
12.6 Glossary ................................................................ 36
13 Mechanical, Packaging, and Orderable
Information ........................................................... 36
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (June 2008) to Revision C
Page
• Added Pin Configuration and Functions section, 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
Changes from Revision A (June 2008) to Revision B
Page
• Added new device grade PCM1681-Q1 ................................................................................................................................. 1
• Changed device names in Operating Free-Air Temperature row of the Recommended Operating Conditions table ........... 6
• Changed device names in Operating Temperature row of Temperature Range section in the Electrical
Characteristics table ............................................................................................................................................................... 8
• Added third paragraph to PCB Layout Guidelines section................................................................................................... 35
Changes from Original (February 2008) to Revision A
Page
• Added last sub-level bullet to Features ................................................................................................................................. 1
• Added first two bullets to Applications ................................................................................................................................... 1
• Changed last sentence in Description ................................................................................................................................... 1
• Added last row to Recommended Operating Conditions table............................................................................................... 6
• Added second row to Temperature Range section of the Electrical Characteristics table .................................................... 8
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