Datasheet

ADS5270
SBAS293F JANUARY 2004 REVISED JANUARY 2009 ...............................................................................................................................................
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Revision History
Changes from Revision E (September 2005) to Revision F ........................................................................................... Page
Updated Absolute Maximum Ratings table: added entries for Digital Input Pins, Set 1 and Set 2 and added footnote 3 .... 2
Changes from Revision D (September 2005) to Revision E .......................................................................................... Page
Changed component image to have TI logo. ......................................................................................................................... 1
Changed X to x (for instance, 12X, 6X, 1X, etc) globally. ..................................................................................................... 1
Changed ISET to I
SET
globally. .............................................................................................................................................. 1
Changed 56k to 56.2k globally. ........................................................................................................................................ 1
Changed fourth bullet of Features section. ............................................................................................................................ 1
Deleted eighth and 12th bullets of Features section. ............................................................................................................ 1
Changed Synch to Bit in 11th bullet of Features section. ...................................................................................................... 1
Added 14th bullet to Features section. .................................................................................................................................. 1
Deleted parallel from first paragraph of Description section. ................................................................................................. 1
Added Related Products table. .............................................................................................................................................. 1
Changed second paragraph of Description section. .............................................................................................................. 1
Changed order of PowerPAD TQFP-80 in fourth paragraph of Description section. ............................................................ 1
Changed front page figure. .................................................................................................................................................... 1
Changed structure of Ordering Information table; content remains the same. ...................................................................... 2
Changed placement of second cross reference in Ordering Information table. .................................................................... 2
Changed first footnote of Ordering Information table. ........................................................................................................... 2
Changed Absolute Maximum table and footnotes ................................................................................................................. 2
Changed Recommended Operating Conditions table and footnotes. ................................................................................... 3
Changed Electrical Characteristics table, conditions, and footnotes. .................................................................................... 4
Changed Electrical Characteristics table, conditions, and footnotes. .................................................................................... 5
Changed Reference Selection table. ..................................................................................................................................... 5
Changed AC Characteristics table and conditions. ............................................................................................................... 6
Changed LVDS table, conditions, and footnotes. .................................................................................................................. 7
Deleted device name row of Switching Characteristics table. ............................................................................................... 7
Changed second and fifth rows of Switching Characteristics table. ...................................................................................... 7
Changed unit value of ps to ps rms in third row of Switching Characteristics table. ............................................................. 7
Changed LVDS timing figure. ................................................................................................................................................ 8
Changed Reset timing figure. ................................................................................................................................................ 8
Changed LVDS timing figure. ................................................................................................................................................ 9
Changed Power-Down timing figure. ..................................................................................................................................... 9
Changed Serial interface timing figure and table. .................................................................................................................. 9
Changed Serial Interface Registers table. ........................................................................................................................... 10
Changed Test Patterns table. .............................................................................................................................................. 10
Changed pin configuration figure. ........................................................................................................................................ 11
Changed Pin Descriptions table. ......................................................................................................................................... 12
Changed Typical Characteristics conditions to include T
A
= +25 ° C and I
SET
= 56.2k . ..................................................... 14
Changed Figure 1. ............................................................................................................................................................... 14
Changed Figure 2. ............................................................................................................................................................... 14
Changed Figure 3. ............................................................................................................................................................... 14
Changed Figure 4. ............................................................................................................................................................... 14
Changed Figure 5. ............................................................................................................................................................... 14
Changed Typical Characteristics conditions to include T
A
= +25 ° C and I
SET
= 56.2k . ..................................................... 15
Changed Figure 12. ............................................................................................................................................................. 15
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