AD7623AST Analog Devices Inc, AD7623AST Datasheet - Page 2

• Manufacturer Part Number: AD7623AST
• Description: IC ADC 16BIT 1.33MSPS DFF 48LQFP
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7623AST

• Number Of Bits: 16
• Sampling Rate (per Second): 1.33M
• Data Interface: Serial, Parallel
• Number Of Converters: 1
• Power Dissipation (max): 55mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• For Use With: EVAL-AD7623CBZ - BOARD EVALUATION FOR AD7623
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7623
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
Absolute Maximum Ratings............................................................ 7
Pin Configuration and Function Descriptions............................. 8
Terminology .................................................................................... 11
Typical Performance Characteristics ........................................... 12
Theory of Operation ...................................................................... 15
REVISION HISTORY
7/05—Revision 0: Initial Version
ESD Caution.................................................................................. 7
Circuit Information.................................................................... 15
Converter Operation.................................................................. 15
Transfer Functions...................................................................... 16
Typical Connection Diagram ................................................... 17
Serial Clock Timing Specifications ............................................ 6
Rev. 0 | Page 2 of 28
Interfaces.......................................................................................... 21
Application ...................................................................................... 27
Outline Dimensions ....................................................................... 28
Analog Inputs ............................................................................. 17
Driver Amplifier Choice ........................................................... 17
Voltage Reference Input ............................................................ 18
Power Supply............................................................................... 19
Power Dissipation vs. Throughput .......................................... 20
Conversion Control ................................................................... 20
Digital Interface.......................................................................... 21
Parallel Interface......................................................................... 21
Serial Interface ............................................................................ 22
Master Serial Interface............................................................... 22
Slave Serial Interface .................................................................. 24
Microprocessor Interfacing....................................................... 26
Layout .......................................................................................... 27
Evaluating the AD7623 Performance ...................................... 27
Ordering Guide .......................................................................... 28