AD7276 Analog Devices, AD7276 Datasheet - Page 2

• Manufacturer Part Number: AD7276
• Description: 3 MSPS,12-Bit ADC in 6-Lead TSOT
• Manufacturer: Analog Devices

Specifications of AD7276

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 3MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni Vdd
• Adc Architecture: SAR
• Pkg Type: SOP,SOT

AD7276/AD7277/AD7278
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings.......................................................... 11
Pin Configurations and Function Descriptions ......................... 12
Typical Performance Characteristics ........................................... 13
Terminology .................................................................................... 15
REVISION HISTORY
5/11—Rev. B to Rev. C
Changes to Figure 21...................................................................... 16
Changes to Ordering Guide .......................................................... 27
Changes to Endnote 5 .................................................................... 27
11/09—Rev. A to Rev. B
Changes to Table 2............................................................................ 3
Changes to Table 3............................................................................ 5
Changes to Table 4............................................................................ 7
Changes to Ordering Guide .......................................................... 27
10/05—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Table 2............................................................................ 3
Changes to Table 5............................................................................ 8
Changes to the Partial Power-Down Mode Section .................. 18
Changes to the Power vs. Throughput Rate Section.................. 21
Updated Outline Dimensions ....................................................... 26
Changes to Ordering Guide .......................................................... 26
7/05—Revision 0: Initial Version
AD7276 Specifications................................................................. 3
AD7277 Specifications................................................................. 5
AD7278 Specifications................................................................. 7
Timing Specifications—AD7276/AD7277/AD7278 ............... 8
Timing Examples........................................................................ 10
ESD Caution................................................................................ 11
Rev. C | Page 2 of 28
Theory of Operation ...................................................................... 16
Serial Interface ................................................................................ 22
Application Hints ........................................................................... 25
Outline Dimensions ....................................................................... 26
Circuit Information.................................................................... 16
Converter Operation.................................................................. 16
ADC Transfer Function............................................................. 16
Typical Connection Diagram ................................................... 16
Modes of Operation ................................................................... 18
Power vs. Throughput Rate....................................................... 21
AD7278 in a 10 SCLK Cycle Serial Interface.......................... 24
Microprocessor Interfacing....................................................... 24
Grounding and Layout .............................................................. 25
Evaluating Performance.............................................................. 25
Ordering Guide .......................................................................... 27