AD7863ARZ-2 Analog Devices Inc, AD7863ARZ-2 Datasheet - Page 2

• Manufacturer Part Number: AD7863ARZ-2
• Description: IC,Data Acquisition System,2-CHANNEL,14-BIT,SOP,28PIN,PLASTIC
• Manufacturer: Analog Devices Inc

Specifications of AD7863ARZ-2

• Number Of Bits: 14
• Sampling Rate (per Second): 175k
• Data Interface: Parallel
• Number Of Converters: 2
• Power Dissipation (max): 94.5mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7863
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 6
Pin Configuration and Function Descriptions............................. 7
Terminology ...................................................................................... 8
Converter Details.............................................................................. 9
Circuit Description......................................................................... 10
Operating Modes ............................................................................ 13
11/06—Rev. A to Rev. B
Updated Format..................................................................Universal
Deleted Applications ........................................................................ 1
Changes to Specifications ................................................................ 3
Changes to Absolute Maximum Ratings ....................................... 6
Updated Outline Dimensions ....................................................... 21
Changes to Ordering Guide .......................................................... 22
5/99—Rev. 0 to Rev. A
REVISION HISTORY
Timing Characteristics ................................................................ 5
ESD Caution.................................................................................. 6
Track-and-Hold Section .............................................................. 9
Reference Section ......................................................................... 9
Analog Input Section ................................................................. 10
Offset and Full-Scale Adjustment ............................................ 10
Timing and Control ................................................................... 11
Mode 1 Operation ...................................................................... 13
Mode 2 Operation ...................................................................... 13
AD7863 Dynamic Specifications ............................................. 14
Signal-to-Noise Ratio (SNR)..................................................... 14
Rev. B | Page 2 of 24
Microprocessor Interfacing........................................................... 17
Applications Hints.......................................................................... 20
Outline Dimensions ....................................................................... 21
Effective Number of Bits ........................................................... 14
Total Harmonic Distortion (THD) .......................................... 15
Intermodulation Distortion ...................................................... 15
Peak Harmonic or Spurious Noise........................................... 15
DC Linearity Plot ....................................................................... 15
Power Considerations................................................................ 16
AD7863 to ADSP-2100 Interface ............................................. 17
AD7863 to ADSP-2101/ADSP-2102 Interface ....................... 17
AD7863 to TMS32010 Interface .............................................. 17
AD7863 to TMS320C25 Interface............................................ 17
AD7863 to MC68000 Interface ................................................ 18
AD7863 to 80C196 Interface .................................................... 18
Vector Motor Control ................................................................ 18
Multiple AD7863s ...................................................................... 19
PC Board Layout Considerations............................................. 20
Ground Planes ............................................................................ 20
Power Planes ............................................................................... 20
Supply Decoupling ..................................................................... 20
Ordering Guide .......................................................................... 22