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ADS4222 bảng dữ liệu(PDF) 2 Page - Texas Instruments |
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ADS4222 bảng dữ liệu(HTML) 2 Page - Texas Instruments |
2 / 88 page ADS4222, ADS4225, ADS4226 ADS4242, ADS4245, ADS4246 SBAS533D – MARCH 2011 – REVISED DECEMBER 2015 www.ti.com Table of Contents 8.2 Functional Block Diagrams ..................................... 49 1 Features .................................................................. 1 8.3 Feature Description................................................. 51 2 Applications ........................................................... 1 8.4 Device Functional Modes........................................ 57 3 Description ............................................................. 1 8.5 Programming........................................................... 58 4 Revision History..................................................... 2 8.6 Register Maps ......................................................... 67 4.1 Description (Continued) ............................................ 4 9 Application and Implementation ........................ 79 5 ADS424x/422x Family Comparison ...................... 4 9.1 Application Information............................................ 79 6 Pin Configuration and Functions ......................... 5 9.2 Typical Application ................................................. 80 7 Specifications....................................................... 10 10 Power Supply Recommendations ..................... 83 7.1 Absolute Maximum Ratings .................................... 10 10.1 Sharing DRVDD and AVDD Supplies ................... 83 7.2 ESD Ratings............................................................ 10 10.2 Using DC/DC Power Supplies .............................. 83 7.3 Recommended Operating Conditions ..................... 11 10.3 Power Supply Bypassing ...................................... 83 7.4 Thermal Information ................................................ 11 11 Layout................................................................... 83 7.5 Electrical Characteristics: ADS4246, ADS4245, 11.1 Layout Guidelines ................................................. 83 ADS4242.................................................................. 12 11.2 Layout Example .................................................... 84 7.6 Electrical Characteristics: ADS4226, ADS4225, ADS4222.................................................................. 15 12 Device and Documentation Support ................. 85 7.7 Electrical Characteristics: General .......................... 18 12.1 Device Support .................................................... 85 7.8 Digital Characteristics ............................................. 19 12.2 Documentation Support ....................................... 86 7.9 Timing Requirements: LVDS and CMOS Modes.... 19 12.3 Related Links ........................................................ 87 7.10 Serial Interface Timing Characteristics ................. 20 12.4 Community Resources.......................................... 87 7.11 Reset Timing (Only When Serial Interface Is 12.5 Trademarks ........................................................... 87 Used)........................................................................ 20 12.6 Electrostatic Discharge Caution ............................ 87 7.12 Typical Characteristics .......................................... 25 12.7 Glossary ................................................................ 87 8 Detailed Description ............................................ 49 13 Mechanical, Packaging, and Orderable 8.1 Overview ................................................................. 49 Information ........................................................... 87 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision C (March 2011) to Revision D 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 B (May 2011) to Revision C Page • Changed device status from Mixed Status to Production Data.............................................................................................. 1 • Changed 125MSPS sub-bullet of first Features bullet ........................................................................................................... 1 • Changed sub-bullets of second Features bullet ..................................................................................................................... 1 • Changed description of pin 64 in Pin Descriptions: LVDS Mode table .................................................................................. 7 • Changed description of pin 64 in Pin Descriptions: CMOS Mode table ............................................................................... 10 • Changed ADS4246 fIN = 170 MHz Worst spur typical spcification in the ADS4246/ADS4245/ADS4242 Electrical Characteristics table ............................................................................................................................................................. 14 • Added ADS4225/ADS4222 fIN = 70 MHz SNR, SINAD, SFDR, THD, HD2, HD3, and Worst spur minimum and typical spcifications in the ADS4226/ADS4225/ADS4222 Electrical Characteristics table .................................................. 15 • Added ADS4225/ADS4222 DNL minimum and maximum spcifications in the ADS4226/ADS4225/ADS4222 Electrical Characteristics table ............................................................................................................................................. 17 • Added ADS4225/ADS4222 INL maximum spcifications in the ADS4226/ADS4225/ADS4222 Electrical Characteristics table ............................................................................................................................................................. 17 • Changed ADS4242/ADS4222 Power Supply, Digital power LVDS interface typical specification in Electrical Characteristics: General table .............................................................................................................................................. 18 2 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246 |
Số phần tương tự - ADS4222_15 |
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Mô tả tương tự - ADS4222_15 |
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