Datasheet

ADS5270
www.ti.com ............................................................................................................................................... SBAS293F – JANUARY 2004 – REVISED JANUARY 2009
• Changed Typical Characteristics conditions to include T
A
= +25 ° C and I
SET
= 56.2k Ω . ..................................................... 16
• Changed Figure 13. ............................................................................................................................................................. 16
• Changed Figure 14. ............................................................................................................................................................. 16
• Deleted Figure 15 (Power Dissipation vs Temperature). ..................................................................................................... 16
• Changed figure numbers in Theory of Operation to reflect addition of figure numbers in Typical Characteristics. ............ 17
• Changed 2V to 1.95V, 1V to 0.95V, and 1.5V to 1.45V in first paragraph of Overview section in Theory of Operation. .. 17
• Changed eighth and 12th sentences of first paragraph of Overview section in Theory of Operation. ................................ 17
• Changed first paragraph of Driving the Analog Inputs section of Theory of Operation. ...................................................... 17
• Added second paragraph of Driving the Analog Inputs section of Theory of Operation. .................................................... 17
• Changed Figure 16. ............................................................................................................................................................. 17
• Deleted second paragraph of Driving the Analog Inputs section in Theory of Operation. .................................................. 17
• Added fourth paragraph of Driving the Analog Inputs section in Theory of Operation. ....................................................... 18
• Deleted fourth paragraph of Driving the Analog Inputs and Figure 17 (Input Circuitry) in Theory of Operation. ................ 18
• Changed Input Over-Voltage Recovery section. ................................................................................................................. 18
• Added Figure 17. ................................................................................................................................................................. 18
• Deleted heavily from first sentence of first paragraph of Reference Circuit Design section in Theory of Operation. ......... 19
• Changed third paragraph of Reference Circuit Design section of Theory of Operation. ..................................................... 19
• Changed fourth paragraph of Reference Circuit Design section of Theory of Operation. ................................................... 19
• Changed Figure 18. ............................................................................................................................................................. 19
• Added last sentence to fifth paragraph of Reference Circuit Design section of Theory of Operation and Table 1. ............ 19
• Changed Clocking section of Theory of Operation. ............................................................................................................. 19
• Changed LVDS Buffers section in Theory of Operation. ..................................................................................................... 20
• Changed Power-Down Mode section in Theory of Operation. ............................................................................................ 21
• Added Table 2. ..................................................................................................................................................................... 21
• Deleted Supply Sequence section. ...................................................................................................................................... 21
• Added Reset section. ........................................................................................................................................................... 21
• Changed Layout of PCB with PowerPAD Thermally-Enhanced Packages section in Theory of Operation. ...................... 21
• Added Connecting High-Speed, Multi-Channel ADCs to XILINX FPGAs section in Theory of Operation. ......................... 21
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Product Folder Link(s): ADS5270