Datasheet

ADS1146
ADS1147
ADS1148
SBAS453F –JULY 2009–REVISED APRIL 2012 www.ti.com
REVISION HISTORY
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (April 2012) to Revision F Page
• Added QFN-32 to listed packages available for the ADS1148 in Description section ......................................................... 1
• Added ADS1148, QFN-32 row to Package/Ordering Information table ............................................................................... 2
• Corrected ADS1148 Pin Description table name ............................................................................................................... 11
Changes from Revision D (October 2011) to Revision E Page
• Added RHB pin configuration ............................................................................................................................................... 6
Changes from Revision C (April 2001) to Revision D Page
• Added footnote to Analog Inputs, Full-scale input voltage parameter typical specification in Electrical Characteristics
table ...................................................................................................................................................................................... 3
• Deleted Analog Inputs, Mux leakage current parameter from Electrical Characteristics table ............................................ 3
• Updated Figure 1 to show t
CSPW
timing ............................................................................................................................... 12
• Added t
CSPW
to Timing Characteristics for Figure 1 ............................................................................................................ 12
• Changed t
DTS
minimum specification in Timing Characteristics for Figure 2 ...................................................................... 12
• Added Figure 7, Figure 8, Figure 9, and Figure 10 ............................................................................................................ 15
• Added Figure 11, Figure 14, Figure 15, and Figure 16 ...................................................................................................... 16
• Corrected Figure 19 to remove constant short ................................................................................................................... 18
• Added Table 3 to Analog Input Impedance section ............................................................................................................ 19
• Corrected Figure 26 and Figure 27 .................................................................................................................................... 21
• Added details to Bias Voltage Generation section ............................................................................................................. 23
• Added details to Calibration section ................................................................................................................................... 25
• Added Equation 8 to Calibration section ............................................................................................................................ 25
• Added details to Calibration Commands section ................................................................................................................ 26
• Added Channel Cycling and Overload Recovery section ................................................................................................... 28
• Corrected Table 12 ............................................................................................................................................................. 29
• Added details to Digital Interface section ........................................................................................................................... 30
• Added Restricted command to Table 18 ............................................................................................................................ 44
52 Submit Documentation Feedback Copyright © 2009–2012, Texas Instruments Incorporated
Product Folder Link(s): ADS1146 ADS1147 ADS1148