AD7928 Analog Devices, AD7928 Datasheet - Page 2

• Manufacturer Part Number: AD7928
• Description: 8-Channel, 1 MSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
• Manufacturer: Analog Devices

Specifications of AD7928

• Resolution (bits): 12bit
• # Chan: 8
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref),Uni (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: SOP

AD7908/AD7918/AD7928
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings.......................................................... 10
Pin Configuration and Function Descriptions........................... 11
Terminology .................................................................................... 12
Typical Performance Characteristics ........................................... 13
REVISION HISTORY
12/10—Rev. C to Rev. D
Changes to Features Section............................................................ 1
Added Automotive SINAD and SNR Parameters (Table 1)........ 3
Added Automotive SINAD and SNR Parameters (Table 2)........ 5
Added Automotive SINAD and SNR Parameters (Table 3)........ 7
Added Automotive Temperature Range (Table 5) ....................... 7
Added Automotive Products Section .......................................... 28
Changes to Ordering Guide .......................................................... 28
11/08—Rev. B to Rev. C
Changes to ESD Parameter, Table 5 ............................................. 10
AD7908 Specifications................................................................. 3
AD7918 Specifications................................................................. 5
AD7928 Specifications................................................................. 7
Timing Specifications .................................................................. 9
ESD Caution................................................................................ 10
Performance Curves................................................................... 13
Rev. D | Page 2 of 32
Control Register.............................................................................. 15
Outline Dimensions ....................................................................... 28
6/06—Rev. A to Rev. B
Updated Format..................................................................Universal
Changes to Reference Section....................................................... 21
9/03—Rev. 0 to Rev. A
Changes to Figure 3........................................................................ 15
Changes to Reference section ....................................................... 18
Sequencer Operation ................................................................. 16
SHADOW Register .................................................................... 17
Circuit Information.................................................................... 18
Converter Operation.................................................................. 18
ADC Transfer Function............................................................. 19
Handling Bipolar Input Signals ................................................ 19
Typical Connection Diagram ................................................... 19
Modes of Operation ................................................................... 21
Power vs. Throughput Rate....................................................... 23
Serial Interface ............................................................................ 23
Microprocessor Interfacing....................................................... 24
Application Hints ....................................................................... 27
Ordering Guide .......................................................................... 29
Automotive Products ................................................................. 29