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ADS7950SDBTR Datasheet(PDF) 2 Page - Texas Instruments |
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ADS7950SDBTR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 70 page ADS7950, ADS7951, ADS7952, ADS7953, ADS7954, ADS7955 ADS7956, ADS7957, ADS7958, ADS7959, ADS7960, ADS7961 SLAS605B – JUNE 2008 – REVISED JULY 2015 www.ti.com Table of Contents 8.1 Overview ................................................................. 26 1 Features .................................................................. 1 8.2 Functional Block Diagram ....................................... 27 2 Applications ........................................................... 1 8.3 Feature Description................................................. 27 3 Description ............................................................. 1 8.4 Device Functional Modes........................................ 27 4 Revision History..................................................... 2 8.5 Programming........................................................... 37 5 Device Comparison Table..................................... 4 9 Application and Implementation ........................ 42 6 Pin Configuration and Functions ......................... 4 9.1 Application Information............................................ 42 7 Specifications......................................................... 8 9.2 Typical Applications ................................................ 44 7.1 Absolute Maximum Ratings ...................................... 8 10 Power Supply Recommendations ..................... 47 7.2 ESD Ratings.............................................................. 8 11 Layout................................................................... 48 7.3 Recommended Operating Conditions ....................... 8 11.1 Layout Guidelines ................................................. 48 7.4 Thermal Information: TSSP ...................................... 9 11.2 Layout Example .................................................... 48 7.5 Thermal Information: VQFN ...................................... 9 12 Device and Documentation Support ................. 49 7.6 Electrical Characteristics: ADS7950/51/52/53 ........ 10 12.1 Documentation Support ........................................ 49 7.7 Electrical Characteristics, ADS7954/55/56/57 ........ 12 12.2 Related Links ........................................................ 49 7.8 Electrical Characteristics, ADS7958/59/60/61 ........ 13 12.3 Community Resources.......................................... 49 7.9 Timing Requirements .............................................. 15 12.4 Trademarks ........................................................... 49 7.10 Typical Characteristics (all ADS79xx Family 12.5 Electrostatic Discharge Caution ............................ 49 Devices) ................................................................... 18 12.6 Glossary ................................................................ 49 7.11 Typical Characteristics (12-Bit Devices Only)....... 19 7.12 Typical Characteristics (12-Bit Devices Only)....... 25 13 Mechanical, Packaging, and Orderable Information ........................................................... 50 8 Detailed Description ............................................ 26 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision A (April 2010) to Revision B 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 Original (June 2008) to Revision A Page • Added QFN information to Features....................................................................................................................................... 1 • Added QFN information to Description................................................................................................................................... 1 • Changed VEE to AGND and VCC to +VA on 38-pin TSSOP pinout ..................................................................................... 4 • Added QFN pinout .................................................................................................................................................................. 4 • Added QFN pinout .................................................................................................................................................................. 4 • Added QFN pinout .................................................................................................................................................................. 4 • Added QFN pinout .................................................................................................................................................................. 5 • Added terminal functions for QFN packages.......................................................................................................................... 7 • Changed ADS7950/4/8 QFN package MXO pin from 7 to 3.................................................................................................. 7 • Changed thermal impedance for DBT package in absolute maximum ratings ...................................................................... 8 • Changed thermal impedance for RHB package in absolute maximum ratings...................................................................... 8 • Changed thermal impedance for RGE package in absolute maximum ratings...................................................................... 8 • Added Vref = 2.5 V ± 0.1 V to Electrical Characteristics, ADS7950/51/52/53....................................................................... 10 • Added while 2Vref ≤ +VA to full-scale input span range 2 test conditions........................................................................... 10 • Added while 2Vref ≤ +VA to Absolute input range span range 2 test conditions................................................................. 10 • Added Total unadjusted error (TUE) specification ............................................................................................................... 10 • Changed reference voltage at REFP min and max values .................................................................................................. 11 2 Submit Documentation Feedback Copyright © 2008–2015, Texas Instruments Incorporated Product Folder Links: ADS7950 ADS7951 ADS7952 ADS7953 ADS7954 ADS7955 ADS7956 ADS7957 ADS7958 ADS7959 ADS7960 ADS7961 |
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