AD7478 Analog Devices, AD7478 Datasheet - Page 2

• Manufacturer Part Number: AD7478
• Description: 8-Bit, 1 MSPS, Low Power Successive Approximation ADC Which Operates From A Single 2.35 V to 5.25 V Power Supply
• Manufacturer: Analog Devices

Specifications of AD7478

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni Vdd
• Adc Architecture: SAR
• Pkg Type: SOT

AD7476/AD7477/AD7478
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 9
Pin Configuration and Function Descriptions ........................... 10
REVISION HISTORY
1/09—Rev. E to Rev. F
Changes to Features .......................................................................... 1
Changes to Ordering Guide .......................................................... 22
4/06—Rev. D to Rev. E
Updated Format .................................................................. Universal
Changes to Table 1 Endnotes .......................................................... 3
Changes to Table 2 Endnotes .......................................................... 5
Changes to Table 3 Endnotes .......................................................... 7
Updated Outline Dimensions ....................................................... 21
Changes to Ordering Guide .......................................................... 22
AD7476 Specifications ................................................................. 3
AD7477 Specifications ................................................................. 5
AD7478 Specifications ................................................................. 7
Timing Specifications .................................................................. 8
ESD Caution .................................................................................. 9
Rev. F | Page 2 of 24
Typical Performance Characteristics ........................................... 11
Terminology .................................................................................... 12
Theory of Operation ...................................................................... 13
Outline Dimensions ....................................................................... 21
3/04—Rev. C to Rev. D
Added U.S. Patent Number .............................................................. 1
Changes to Specifications ................................................................. 2
Changes to Absolute Maximum Ratings ........................................ 6
Changes to AD7476/AD7477/AD7478 to ADSP-21xx
Interface section .............................................................................. 16
2/03—Rev. B to Rev. C
Changes to General Description ..................................................... 1
Changes to Specifications ................................................................. 2
Changes to Absolute Maximum Ratings ........................................ 6
Changes to Ordering Guide ............................................................. 6
Changes to Typical Connection Diagram section ..................... 10
Changes to Figure 8 caption .......................................................... 11
Changes to Figure 19 ...................................................................... 16
Changes to Figure 20 ...................................................................... 17
Updated Outline Dimensions ....................................................... 18
Circuit Information .................................................................... 13
Converter Operation .................................................................. 13
ADC Transfer Function ............................................................. 13
Typical Connection Diagram ................................................... 14
Modes of Operation ................................................................... 15
Power vs. Throughput Rate ....................................................... 17
Serial Interface ............................................................................ 18
Microprocessor Interfacing ....................................................... 19
Ordering Guide .......................................................................... 22