Datasheet AD7887 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | 2.7 V to 5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead MSOP |
| Páginas / Página | 25 / 3 — AD7887. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 9/14—Rev. D to … |
| Revisión | E |
| Formato / tamaño de archivo | PDF / 470 Kb |
| Idioma del documento | Inglés |
AD7887. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 9/14—Rev. D to Rev. E. 2/09—Rev. C to Rev. D. 9/06—Rev. B to Rev. C
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AD7887 Data Sheet TABLE OF CONTENTS
Features .. 1 Circuit Information .. 11 Applications ... 1 Converter Operation .. 11 Functional Block Diagram .. 1 ADC Transfer Function ... 11 General Description ... 1 Typical Connection Diagram ... 11 Product Highlights ... 1 Analog Input ... 12 Revision History ... 2 Power-Down Options .. 13 Specifications ... 3 Power vs. Throughput Rate ... 13 Timing Specifications .. 5 Modes of Operation ... 13 Absolute Maximum Ratings .. 6 Serial Interface .. 17 ESD Caution .. 6 Microprocessor Interfacing ... 18 Pin Configurations and Function Descriptions ... 7 Application Hints ... 20 Typical Performance Characteristics ... 8 Outline Dimensions ... 21 Terminology .. 9 Ordering Guide .. 21 Control Register .. 10 Automotive Products ... 21 Theory of Operation .. 11
REVISION HISTORY 9/14—Rev. D to Rev. E
Changes to Features Section.. 1 Changes to AD7887 to ADSP-21xx Section ... 18 Deleted Evaluating the AD7887 Performance Section .. 20 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 21 Added Automotive Products Section .. 21
2/09—Rev. C to Rev. D
Changes to Ordering Guide .. 21
9/06—Rev. B to Rev. C
Updated Format .. Universal Change to Absolute Maximum Ratings ... 6 Additions to Pin Configurations .. 7 Added Table 7 .. 18 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 21 Rev. E | Page 2 of 24 Document Outline Features Applications Functional Block Diagram General Description Product Highlights Table of Contents Revision History Specifications Timing Specifications6F Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Control Register Theory of Operation Circuit Information Converter Operation ADC Transfer Function Typical Connection Diagram Analog Input On-Chip Reference Power-Down Options Power-Up Times Power vs. Throughput Rate Modes of Operation Mode 1 (PM1 = 0, PM0 = 0) Mode 2 (PM1 = 0, PM0 = 1) Mode 3 (PM1 = 1, PM0 = 0) Mode 4 (PM1 = 1, PM0 = 1) Serial Interface Microprocessor Interfacing AD7887 to TMS320C5x AD7887 to ADSP-21xx AD7887 to DSP56xxx AD7887 to MC68HC11 AD7887 to 8051 AD7887 to PIC16C6x/PIC16C7x Application Hints Grounding and Layout Outline Dimensions Ordering Guide Automotive Products
AD7887 Data Sheet TABLE OF CONTENTS
Features .. 1 Circuit Information .. 11 Applications ... 1 Converter Operation .. 11 Functional Block Diagram .. 1 ADC Transfer Function ... 11 General Description ... 1 Typical Connection Diagram ... 11 Product Highlights ... 1 Analog Input ... 12 Revision History ... 2 Power-Down Options .. 13 Specifications ... 3 Power vs. Throughput Rate ... 13 Timing Specifications .. 5 Modes of Operation ... 13 Absolute Maximum Ratings .. 6 Serial Interface .. 17 ESD Caution .. 6 Microprocessor Interfacing ... 18 Pin Configurations and Function Descriptions ... 7 Application Hints ... 20 Typical Performance Characteristics ... 8 Outline Dimensions ... 21 Terminology .. 9 Ordering Guide .. 21 Control Register .. 10 Automotive Products ... 21 Theory of Operation .. 11
REVISION HISTORY 9/14—Rev. D to Rev. E
Changes to Features Section.. 1 Changes to AD7887 to ADSP-21xx Section ... 18 Deleted Evaluating the AD7887 Performance Section .. 20 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 21 Added Automotive Products Section .. 21
2/09—Rev. C to Rev. D
Changes to Ordering Guide .. 21
9/06—Rev. B to Rev. C
Updated Format .. Universal Change to Absolute Maximum Ratings ... 6 Additions to Pin Configurations .. 7 Added Table 7 .. 18 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 21 Rev. E | Page 2 of 24 Document Outline Features Applications Functional Block Diagram General Description Product Highlights Table of Contents Revision History Specifications Timing Specifications6F Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Control Register Theory of Operation Circuit Information Converter Operation ADC Transfer Function Typical Connection Diagram Analog Input On-Chip Reference Power-Down Options Power-Up Times Power vs. Throughput Rate Modes of Operation Mode 1 (PM1 = 0, PM0 = 0) Mode 2 (PM1 = 0, PM0 = 1) Mode 3 (PM1 = 1, PM0 = 0) Mode 4 (PM1 = 1, PM0 = 1) Serial Interface Microprocessor Interfacing AD7887 to TMS320C5x AD7887 to ADSP-21xx AD7887 to DSP56xxx AD7887 to MC68HC11 AD7887 to 8051 AD7887 to PIC16C6x/PIC16C7x Application Hints Grounding and Layout Outline Dimensions Ordering Guide Automotive Products