ADS7279_14 Datasheet, PDF (40/51 Pages) Texas Instruments – LOW-POWER, 14-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE

ADS7279
ADS7280
SBAS436A – MAY 2008 – REVISED JUNE 2009 ............................................................................................................................................................... www.ti.com
Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (May 2008) to Revision A ........................................................................................................... Page
• Added +REF to AGND and –REF to AGND specifications to voltage range section of Absolute Maximum Ratings table.. 2
• Changed conditions of the 5V Electrical Characteristics to include +VA = 4.5V to 5.5V ...................................................... 3
• Changed conditions of the 5V Electrical Characteristics to include +VA = 4.5V to 5.5V ...................................................... 4
• Deleted typical specification for V_REF[REF+ – (REF–)] input reference range in the External Voltage Reference Input
section of the 5V Electrical Characteristics............................................................................................................................ 4
• Changed test condition of PD mode, supply current row of the Power-Supply Requirements section of the 5V
Electrical Characteristics........................................................................................................................................................ 4
• Changed the V_REF rows of the External Voltage Reference Input section of the 2.5V Electrical Characteristics ................. 6
• Changed test condition of PD mode, supply current row of the Power-Supply Requirements section of the 2.5V
Electrical Characteristics........................................................................................................................................................ 7
• Corrected typo in Figure 2 ................................................................................................................................................... 12
• Corrected typo in Figure 3 ................................................................................................................................................... 13
• Corrected typo in Figure 5 ................................................................................................................................................... 14
• Added last sentence to the Driver Amplifier Choice section................................................................................................ 24
• Updated Figure 54 ............................................................................................................................................................... 24
• Updated Figure 55 ............................................................................................................................................................... 24
• Changed fifth sentence of Deep Power-Down Mode section .............................................................................................. 27
• Added supply current value to Auto-nap power-down row of Table 2................................................................................. 28
• Added Figure 67 and corresponding paragraph to the RESET section .............................................................................. 37
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