AD7923 Analog Devices, AD7923 Datasheet - Page 2

• Manufacturer Part Number: AD7923
• Description: 4-Channel 200 kSPS, 12-Bit A/D Converter with Sequencer in 16-Lead TSSOP
• Manufacturer: Analog Devices

Specifications of AD7923

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 200kSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref),Uni (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: SOP

AD7923
TABLE OF CONTENTS
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
Absolute Maximum Ratings............................................................ 6
Pin Configuration and Function Description .............................. 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 10
Control Register Descriptions ...................................................... 12
Theory of Operation ...................................................................... 14
REVISION HISTORY
5/11—Rev. B to Rev. C
Changes to Features Section............................................................ 1
Updated Outline Dimensions ....................................................... 24
Changes to Ordering Guide .......................................................... 24
Added to Automotive Products Section...................................... 24
12/08—Rev. A to Rev. B
Changes to ESD Parameter, Table 3 ............................................... 6
Changes to Ordering Guide .......................................................... 24
8/05—Rev. 0 to Rev. A
Update Format ....................................................................Universal
Change to Table 1 ............................................................................. 3
Change to Table 3 ............................................................................. 6
Change to Reference Section ........................................................ 16
Changes to Ordering Guide .......................................................... 24
11/02—Revision 0: Initial Version
ESD Caution.................................................................................. 6
Sequencer Operation ................................................................. 13
Circuit Information.................................................................... 14
Converter Operation.................................................................. 14
ADC Transfer Function............................................................. 15
Rev. C | Page 2 of 24
Application Hints ........................................................................... 23
Outline Dimensions ....................................................................... 24
Typical Connection Diagram ................................................... 16
Modes of Operation ................................................................... 17
Powering Up the AD7923 ......................................................... 18
Power vs. Throughput Rate....................................................... 19
Serial Interface ............................................................................ 20
Microprocessor Interfacing....................................................... 21
Grounding and Layout .............................................................. 23
Evaluating the AD7923 Performance ...................................... 23
Ordering Guide .......................................................................... 24
Automotive Products ................................................................. 24