Datasheet

AD7401
Rev. D | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications .................................................................. 4
Insulation and Safety-Related Specifications............................ 5
Regulatory Information............................................................... 5
DIN V VDE V 0884-10 (VDE V 0884-10) Insulation
Characteristics .............................................................................. 6
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Absolute Maximum Ratings............................................................ 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ..............................................9
Terminology .................................................................................... 12
Theory of Operation ...................................................................... 13
Circuit Information.................................................................... 13
Analog Input ............................................................................... 13
Differential Inputs...................................................................... 14
Digital Filter ................................................................................ 15
Applications Information.............................................................. 17
Grounding and Layout .............................................................. 17
Evaluating the AD7401 Performance...................................... 17
Insulation Lifetime..................................................................... 17
Outline Dimensions ....................................................................... 18
Ordering Guide .......................................................................... 18
REVISION HISTORY
7/11—Rev. C to Rev. D
Changes to Minimum External Air Gap (Clearance) Parameter,
Table 3 and Minimum External Tracking (Creepage) Parameter,
Table 3 ................................................................................................ 5
Changes to Figure 5; Pin 1 Description, Table 8; and Pin 7
Description, Table 8.......................................................................... 8
1/11—Rev. B to Rev. C
Changes to Features Section............................................................ 1
Changes to Input-to-Output Momentary Withstand Voltage
Parameter, Table 3, UL Column, Table 4, and Note 1, Table 4..........5
Changes to Ordering Guide...................................................................18
9/07—Rev. A to Rev. B
Updated VDE Certification Throughout ......................................1
Changes to Table 6.............................................................................7
12/06—Rev. 0 to Rev. A
Changes to Features and General Description..............................1
Changes to Table 1.............................................................................3
Changes to Table 2.............................................................................4
Changes to Table 6.............................................................................7
Changes to Table 8.............................................................................8
Changes to Circuit Information Section ..................................... 13
Changes to Figure 27...................................................................... 15
1/06—Revision 0: Initial Version