Datasheet AD7678 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 18-Bit,100 kSPS PulSAR® A/D Converter |
| 页数 / 页 | 29 / 3 — AD7678. TABLE OF CONTENTS. REVISION HISTORY. 6/09—Rev. 0 to Rev. A. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 441 Kb |
| 文件语言 | 英语 |
AD7678. TABLE OF CONTENTS. REVISION HISTORY. 6/09—Rev. 0 to Rev. A. 8/03—Revision 0: Initial Version
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AD7678 TABLE OF CONTENTS
Specifications ... 3 Digital Interface .. 20 Timing Specifications ... 5 Parallel Interface ... 20 Absolute Maximum Ratings .. 7 Serial Interface .. 20 ESD Caution .. 7 Master Serial Interface ... 21 Pin Configuration and Function Descriptions ... 8 Slave Serial Interface .. 22 Definition of Specifications ... 11 Microprocessor Interfacing ... 24 Typical Performance Characteristics ... 12 Application Hints ... 25 Circuit Information .. 15 Layout .. 25 Converter Operation .. 15 Evaluating the AD7678’s Performance .. 25 Typical Connection Diagram ... 17 Outline Dimensions ... 26 Power Dissipation versus Throughput .. 19 Ordering Guide .. 26 Conversion Control .. 19
REVISION HISTORY 6/09—Rev. 0 to Rev. A
Removed Endnote 3 from DC Accuracy; Zero Error, TMIN to T MAX Parameter; Table 2 ... 3 Changes to Endnote 3, Table 2 .. 4 Moved ESD Caution ... 7 Changes to Figure 4 and Table 6 ... 8 Changes to Evaluating the AD7678’s Performance Section .. 25 Updated Outline Dimensions ... 26 Changes to Ordering Guide .. 26
8/03—Revision 0: Initial Version
Rev. A | Page 2 of 28 Document Outline Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Definition of Specifications Integral Nonlinearity Error (INL) Differential Nonlinearity Error (DNL) Gain Error Zero Error Spurious-Free Dynamic Range (SFDR) Effective Number of Bits (ENOB) Total Harmonic Distortion (THD) Dynamic Range Signal-to-Noise Ratio (SNR) Signal-to-(Noise + Distortion) Ratio (S/[N+D]) Aperture Delay Transient Response Typical Performance Characteristics Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Inputs Driver Amplifier Choice Single-to-Differential Driver Voltage Reference Power Supply Power Dissipation versus Throughput Conversion Control Digital Interface Parallel Interface Serial Interface Master Serial Interface Internal Clock Slave Serial Interface External Clock External Discontinuous Clock Data Read after Conversion External Clock Data Read during Conversion Microprocessor Interfacing SPI Interface (ADSP-219x) Application Hints Layout Evaluating the AD7678’s Performance Outline Dimensions Ordering Guide
AD7678 TABLE OF CONTENTS
Specifications ... 3 Digital Interface .. 20 Timing Specifications ... 5 Parallel Interface ... 20 Absolute Maximum Ratings .. 7 Serial Interface .. 20 ESD Caution .. 7 Master Serial Interface ... 21 Pin Configuration and Function Descriptions ... 8 Slave Serial Interface .. 22 Definition of Specifications ... 11 Microprocessor Interfacing ... 24 Typical Performance Characteristics ... 12 Application Hints ... 25 Circuit Information .. 15 Layout .. 25 Converter Operation .. 15 Evaluating the AD7678’s Performance .. 25 Typical Connection Diagram ... 17 Outline Dimensions ... 26 Power Dissipation versus Throughput .. 19 Ordering Guide .. 26 Conversion Control .. 19
REVISION HISTORY 6/09—Rev. 0 to Rev. A
Removed Endnote 3 from DC Accuracy; Zero Error, TMIN to T MAX Parameter; Table 2 ... 3 Changes to Endnote 3, Table 2 .. 4 Moved ESD Caution ... 7 Changes to Figure 4 and Table 6 ... 8 Changes to Evaluating the AD7678’s Performance Section .. 25 Updated Outline Dimensions ... 26 Changes to Ordering Guide .. 26
8/03—Revision 0: Initial Version
Rev. A | Page 2 of 28 Document Outline Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Definition of Specifications Integral Nonlinearity Error (INL) Differential Nonlinearity Error (DNL) Gain Error Zero Error Spurious-Free Dynamic Range (SFDR) Effective Number of Bits (ENOB) Total Harmonic Distortion (THD) Dynamic Range Signal-to-Noise Ratio (SNR) Signal-to-(Noise + Distortion) Ratio (S/[N+D]) Aperture Delay Transient Response Typical Performance Characteristics Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Inputs Driver Amplifier Choice Single-to-Differential Driver Voltage Reference Power Supply Power Dissipation versus Throughput Conversion Control Digital Interface Parallel Interface Serial Interface Master Serial Interface Internal Clock Slave Serial Interface External Clock External Discontinuous Clock Data Read after Conversion External Clock Data Read during Conversion Microprocessor Interfacing SPI Interface (ADSP-219x) Application Hints Layout Evaluating the AD7678’s Performance Outline Dimensions Ordering Guide