Datasheet AD7688 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 500 kSPS 16- BIT Differential PulSAR A/D Converter in µSOIC/QFN |
| Pages / Page | 29 / 3 — AD7688. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 6/14—Rev. A to … |
| Revision | B |
| File Format / Size | PDF / 570 Kb |
| Document Language | English |
AD7688. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 6/14—Rev. A to Rev. B. 2/11—Rev. 0 to Rev. A
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AD7688 Data Sheet TABLE OF CONTENTS
Features .. 1 Driver Amplifier Choice ... 15 Applications ... 1 Single-to-Differential Driver .. 15 Application Diagram .. 1 Voltage Reference Input .. 15 General Description ... 1 Power Supply ... 15 Revision History ... 2 Supplying the ADC from the Reference .. 16 Specifications ... 3 Digital Interface .. 16 Timing Specifications ... 5 CS MODE 3-Wire, No BUSY Indicator .. 17 Absolute Maximum Ratings .. 6 CS Mode 3-Wire with BUSY Indicator ... 18 Thermal Resistance .. 6 CS Mode 4-Wire, No BUSY Indicator ... 19 ESD Caution .. 6 CS Mode 4-Wire with BUSY Indicator ... 20 Pin Configuration and Function Descriptions ... 7 Chain Mode, No BUSY Indicator .. 21 Terminology .. 8 Chain Mode with BUSY Indicator ... 22 Typical Performance Characteristics ... 9 Application Hints ... 23 Circuit Information .. 12 Layout .. 23 Converter Operation .. 12 Evaluating the AD7688 Performance .. 23 Typical Connection Diagram ... 13 Outline Dimensions ... 24 Analog Input ... 14 Ordering Guide .. 25
REVISION HISTORY 6/14—Rev. A to Rev. B
Added Patent Footnote .. 1 Change to Evaluating the AD7688 Performance Section ... 23 Updated Outline Dimensions (Dimensions Not Changed, Lead-to-Pad Dimension Updated for JEDEC Compliance) ... 24 Changes to Ordering Guide .. 25
2/11—Rev. 0 to Rev. A
Deleted QFN in Development Note .. Throughout Changes to Table 5 .. 6 Added Thermal Resistance Section and Table 6 .. 6 Changes to Figure 6 and Table 7 ... 7 Updated Outline Dimensions ... 24 Changes to Ordering Guide .. 25
4/05—Revision 0: Initial Version
Rev. B | Page 2 of 28 Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Input Driver Amplifier Choice Single-to-Differential Driver Voltage Reference Input Power Supply Supplying the ADC from the Reference Digital Interface /CS Mode 3-Wire, No BUSY Indicator /CS Mode 3-Wire with BUSY Indicator /CS Mode 4-Write, No BUSY Indicator /CS Mode 4-Wire with BUSY Indicator Chain Mode, No BUSY Indicator Chain Mode with BUSY Indicator Application Hints Layout Evaluating the AD7688 Performance Outline Dimensions Ordering Guide
AD7688 Data Sheet TABLE OF CONTENTS
Features .. 1 Driver Amplifier Choice ... 15 Applications ... 1 Single-to-Differential Driver .. 15 Application Diagram .. 1 Voltage Reference Input .. 15 General Description ... 1 Power Supply ... 15 Revision History ... 2 Supplying the ADC from the Reference .. 16 Specifications ... 3 Digital Interface .. 16 Timing Specifications ... 5 CS MODE 3-Wire, No BUSY Indicator .. 17 Absolute Maximum Ratings .. 6 CS Mode 3-Wire with BUSY Indicator ... 18 Thermal Resistance .. 6 CS Mode 4-Wire, No BUSY Indicator ... 19 ESD Caution .. 6 CS Mode 4-Wire with BUSY Indicator ... 20 Pin Configuration and Function Descriptions ... 7 Chain Mode, No BUSY Indicator .. 21 Terminology .. 8 Chain Mode with BUSY Indicator ... 22 Typical Performance Characteristics ... 9 Application Hints ... 23 Circuit Information .. 12 Layout .. 23 Converter Operation .. 12 Evaluating the AD7688 Performance .. 23 Typical Connection Diagram ... 13 Outline Dimensions ... 24 Analog Input ... 14 Ordering Guide .. 25
REVISION HISTORY 6/14—Rev. A to Rev. B
Added Patent Footnote .. 1 Change to Evaluating the AD7688 Performance Section ... 23 Updated Outline Dimensions (Dimensions Not Changed, Lead-to-Pad Dimension Updated for JEDEC Compliance) ... 24 Changes to Ordering Guide .. 25
2/11—Rev. 0 to Rev. A
Deleted QFN in Development Note .. Throughout Changes to Table 5 .. 6 Added Thermal Resistance Section and Table 6 .. 6 Changes to Figure 6 and Table 7 ... 7 Updated Outline Dimensions ... 24 Changes to Ordering Guide .. 25
4/05—Revision 0: Initial Version
Rev. B | Page 2 of 28 Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Input Driver Amplifier Choice Single-to-Differential Driver Voltage Reference Input Power Supply Supplying the ADC from the Reference Digital Interface /CS Mode 3-Wire, No BUSY Indicator /CS Mode 3-Wire with BUSY Indicator /CS Mode 4-Write, No BUSY Indicator /CS Mode 4-Wire with BUSY Indicator Chain Mode, No BUSY Indicator Chain Mode with BUSY Indicator Application Hints Layout Evaluating the AD7688 Performance Outline Dimensions Ordering Guide
