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AD7903BRQZ-RL7 Datasheet(Hoja de datos) 3 Page - Analog Devices

No. de Pieza. AD7903BRQZ-RL7
Descripción  Dual Differential 16-Bit, 1 MSPS PulSAR ADC 12.0 mW in QSOP
Descarga  29 Pages
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Fabricante  AD [Analog Devices]
Página de inicio  http://www.analog.com
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AD7903
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications .................................................................. 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 13
Theory of Operation ...................................................................... 14
Circuit Information.................................................................... 14
Converter Operation.................................................................. 14
Typical Connection Diagram.................................................... 15
Analog Inputs.............................................................................. 15
Driver Amplifier Choice ........................................................... 16
Single-to-Differential Driver .................................................... 16
Voltage Reference Input ............................................................ 17
Power Supply............................................................................... 17
Digital Interface.......................................................................... 17
CS Mode ...................................................................................... 18
Chain Mode ................................................................................ 22
Applications Information .............................................................. 24
Simultaneous Sampling ............................................................. 24
Functional Safety Considerations ............................................ 25
Layout............................................................................................... 26
Evaluating Performance of the AD7903.................................. 26
Outline Dimensions....................................................................... 27
Ordering Guide .......................................................................... 27
REVISION HISTORY
8/14—Rev. A to Rev. B
Changed Standby Current Unit from nA to µA ........................... 4
Changes to Power Supply Section ................................................ 17
1/14—Rev. 0 to Rev. A
Change to Gain Error Temperature Drift Parameter .................. 3
Changes to Figure 12........................................................................ 9
Changes to Figure 17 and Figure 20............................................. 10
Changes to Figure 28...................................................................... 11
12/13—Revision 0: Initial Version
Rev. B | Page 2 of 28




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