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ADS42B49 bảng dữ liệu(PDF) 2 Page - Texas Instruments |
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ADS42B49 bảng dữ liệu(HTML) 2 Page - Texas Instruments |
2 / 65 page ADS42B49 SBAS558C – DECEMBER 2012 – REVISED DECEMBER 2015 www.ti.com Table of Contents 10.1 Overview ............................................................... 24 1 Features .................................................................. 1 10.2 Functional Block Diagram ..................................... 24 2 Applications ........................................................... 1 10.3 Feature Description............................................... 25 3 Description ............................................................. 1 10.4 Device Functional Modes...................................... 27 4 Revision History..................................................... 2 10.5 Programming ........................................................ 33 5 Description (continued)......................................... 4 10.6 Register Maps ...................................................... 36 6 ADS424x and ADS422x Family Comparison....... 4 11 Application and Implementation........................ 49 7 Pin Configuration and Functions ......................... 5 11.1 Application Information.......................................... 49 8 Specifications......................................................... 8 11.2 Typical Application ............................................... 52 8.1 Absolute Maximum Ratings ...................................... 8 12 Power Supply Recommendations ..................... 54 8.2 ESD Ratings.............................................................. 9 12.1 Using DC/DC Power Supplies .............................. 54 8.3 Recommended Operating Conditions ....................... 9 12.2 Power Supply Bypassing ...................................... 54 8.4 Thermal Information .................................................. 9 13 Layout................................................................... 55 8.5 Electrical Characteristics: ADS42B49 (250 MSPS) 10 13.1 Layout Guidelines ................................................. 55 8.6 Electrical Characteristics: General .......................... 11 13.2 Layout Example .................................................... 56 8.7 Digital Characteristics ............................................. 12 14 Device and Documentation Support ................. 57 8.8 Timing Requirements: LVDS and CMOS Modes.... 13 14.1 Device Support...................................................... 57 8.9 Serial Interface Timing Characteristics ................... 14 14.2 Documentation Support ....................................... 58 8.10 Reset Timing (Only When Serial Interface is 14.3 Community Resources.......................................... 59 Used)........................................................................ 14 14.4 Trademarks ........................................................... 59 8.11 LVDS Timings at Lower Sampling Frequencies ... 14 14.5 Electrostatic Discharge Caution ............................ 59 8.12 CMOS Timings at Lower Sampling Frequencies .. 14 14.6 Glossary ................................................................ 59 8.13 Typical Characteristics .......................................... 15 15 Mechanical, Packaging, and Orderable 9 Parameter Measurement Information ................ 21 Information ........................................................... 59 10 Detailed Description ........................................... 24 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision B (January 2013) to Revision C Page • Added 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 (December 2012) to Revision B Page • Changed footnote for CMOS Timings at Lower Sampling Frequencies .............................................................................. 14 • Changed first two sentences in Description of High-Performance Modes table .................................................................. 27 • Changed D2 and D1 bit names in address 03h of Table 10 ................................................................................................ 36 • Changed Register Address 03h ........................................................................................................................................... 38 Changes from Original (December 2012) to Revision A Page • Changed product status from Product Preview to Production Data....................................................................................... 1 • Changed Analog Inputs, VID parameter nominal specification in Recommended Operating Conditions table ...................... 9 • Changed Analog Inputs, Maximum analog input frequency parameter rows in Recommended Operating conditions table 9 • Changed footnote 1 in Recommended Operating Conditions table ....................................................................................... 9 • Changed PSRR parameter test conditions in Electrical Characteristics: ADS42B49 table ................................................. 11 • Deleted DNL and INL rows from Electrical Characteristics: ADS42B49 table ..................................................................... 11 • Changed Analog Inputs, VID parameter typical specification in Electrical Characteristics: General table ........................... 11 • Deleted Analog Inputs, Analog input common-mode current row from Electrical Characteristics: General table ............... 11 2 Submit Documentation Feedback Copyright © 2012–2015, Texas Instruments Incorporated Product Folder Links: ADS42B49 |
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