Datasheet AD7985 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 2.5 MSPS PulSAR 11 mW ADC in QFN |
| 页数 / 页 | 29 / 2 — AD7985* PRODUCT PAGE QUICK LINKS Last Content Update: 04/14/2017. … |
| 修订版 | C |
| 文件格式/大小 | PDF / 650 Kb |
| 文件语言 | 英语 |
AD7985* PRODUCT PAGE QUICK LINKS Last Content Update: 04/14/2017. COMPARABLE PARTS. REFERENCE MATERIALS
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AD7985* PRODUCT PAGE QUICK LINKS Last Content Update: 04/14/2017 COMPARABLE PARTS REFERENCE MATERIALS
View a parametric search of comparable parts.
Product Selection Guide
• SAR ADC & Driver Quick-Match Guide
EVALUATION KITS Technical Articles
• AD7985 Evaluation Board • MS-1779: Nine Often Overlooked ADC Specifications • MS-2210: Designing Power Supplies for High Speed ADC
DOCUMENTATION
• MS-2689: Isolating SPI for High Bandwidth Sensors
Application Notes Tutorials
• AN-742: Frequency Domain Response of Switched- • MT-002: What the Nyquist Criterion Means to Your Capacitor ADCs Sampled Data System Design
Data Sheet
• MT-031: Grounding Data Converters and Solving the • AD7985: 16-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP Mystery of "AGND" and "DGND" Data Sheet
Technical Books DESIGN RESOURCES
• The Data Conversion Handbook, 2005 • AD7985 Material Declaration
User Guides
• PCN-PDN Information • UG-727: Evaluating the AD7944/AD7985/AD7986 14-/16-/ • Quality And Reliability 18-Bit, PulSAR ADCs • Symbols and Footprints
REFERENCE DESIGNS DISCUSSIONS
• CN0260 View all AD7985 EngineerZone Discussions.
SAMPLE AND BUY
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TECHNICAL SUPPORT
Submit a technical question or find your regional support number.
DOCUMENT FEEDBACK
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This page is dynamically generated by Analog Devices, Inc., and inserted into this data sheet. A dynamic change to the content on this page will not trigger a change to either the revision number or the content of the product data sheet. This dynamic page may be frequently modified.
Document Outline FEATURES APPLICATIONS APPLICATION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION CONVERSION MODES OF OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT Internal Reference, REF = 4.096 V (PDREF Low) External 1.2 V Reference and Internal Buffer (PDREF High) External Reference (PDREF High, REFIN Low) Reference Decoupling POWER SUPPLY DIGITAL INTERFACE DATA READING OPTIONS Reading During Conversion, Fast Host (Turbo or Normal Mode) Split-Reading, Any Speed Host (Turbo or Normal Mode) Reading During Acquisition, Any Speed Host (Turbo or Normal Mode) /CS MODE, 3-WIRE WITHOUT BUSY INDICATOR /CS MODE, 3-WIRE WITH BUSY INDICATOR /CS MODE, 4-WIRE WITHOUT BUSY INDICATOR /CS MODE, 4-WIRE WITH BUSY INDICATOR CHAIN MODE WITHOUT BUSY INDICATOR CHAIN MODE WITH BUSY INDICATOR APPLICATIONS INFORMATION LAYOUT EVALUATING THE AD7985 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE
View a parametric search of comparable parts.
Product Selection Guide
• SAR ADC & Driver Quick-Match Guide
EVALUATION KITS Technical Articles
• AD7985 Evaluation Board • MS-1779: Nine Often Overlooked ADC Specifications • MS-2210: Designing Power Supplies for High Speed ADC
DOCUMENTATION
• MS-2689: Isolating SPI for High Bandwidth Sensors
Application Notes Tutorials
• AN-742: Frequency Domain Response of Switched- • MT-002: What the Nyquist Criterion Means to Your Capacitor ADCs Sampled Data System Design
Data Sheet
• MT-031: Grounding Data Converters and Solving the • AD7985: 16-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP Mystery of "AGND" and "DGND" Data Sheet
Technical Books DESIGN RESOURCES
• The Data Conversion Handbook, 2005 • AD7985 Material Declaration
User Guides
• PCN-PDN Information • UG-727: Evaluating the AD7944/AD7985/AD7986 14-/16-/ • Quality And Reliability 18-Bit, PulSAR ADCs • Symbols and Footprints
REFERENCE DESIGNS DISCUSSIONS
• CN0260 View all AD7985 EngineerZone Discussions.
SAMPLE AND BUY
Visit the product page to see pricing options.
TECHNICAL SUPPORT
Submit a technical question or find your regional support number.
DOCUMENT FEEDBACK
Submit feedback for this data sheet.
This page is dynamically generated by Analog Devices, Inc., and inserted into this data sheet. A dynamic change to the content on this page will not trigger a change to either the revision number or the content of the product data sheet. This dynamic page may be frequently modified.
Document Outline FEATURES APPLICATIONS APPLICATION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION CONVERSION MODES OF OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE INPUT Internal Reference, REF = 4.096 V (PDREF Low) External 1.2 V Reference and Internal Buffer (PDREF High) External Reference (PDREF High, REFIN Low) Reference Decoupling POWER SUPPLY DIGITAL INTERFACE DATA READING OPTIONS Reading During Conversion, Fast Host (Turbo or Normal Mode) Split-Reading, Any Speed Host (Turbo or Normal Mode) Reading During Acquisition, Any Speed Host (Turbo or Normal Mode) /CS MODE, 3-WIRE WITHOUT BUSY INDICATOR /CS MODE, 3-WIRE WITH BUSY INDICATOR /CS MODE, 4-WIRE WITHOUT BUSY INDICATOR /CS MODE, 4-WIRE WITH BUSY INDICATOR CHAIN MODE WITHOUT BUSY INDICATOR CHAIN MODE WITH BUSY INDICATOR APPLICATIONS INFORMATION LAYOUT EVALUATING THE AD7985 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE