Datasheet AD7908, AD7918, AD7928 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 8-Channel, 1 MSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP |
| Seiten / Seite | 28 / 2 — AD7908/AD7918/AD7928. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. … |
| Revision | E |
| Dateiformat / Größe | PDF / 549 Kb |
| Dokumentensprache | Englisch |
AD7908/AD7918/AD7928. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 1/14—Rev. D to Rev. E. 11/08—Rev. B to Rev. C
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AD7908/AD7918/AD7928 Data Sheet TABLE OF CONTENTS
Features .. 1 Control Register .. 15 General Description ... 1 Sequencer Operation ... 16 Functional Block Diagram .. 1 SHADOW Register .. 17 Product Highlights ... 1 Circuit Information .. 18 Revision History ... 2 Converter Operation .. 18 Specifications ... 3 ADC Transfer Function ... 19 AD7908 Specifications ... 3 Handling Bipolar Input Signals .. 19 AD7918 Specifications ... 5 Typical Connection Diagram ... 19 AD7928 Specifications ... 7 Modes of Operation ... 21 Timing Specifications .. 9 Power vs. Throughput Rate ... 23 Absolute Maximum Ratings .. 10 Serial Interface .. 23 ESD Caution .. 10 Microprocessor Interfacing ... 24 Pin Configuration and Function Descriptions ... 11 Application Hints ... 27 Terminology .. 12 Outline Dimensions ... 28 Typical Performance Characteristics ... 13 Ordering Guide .. 28 Performance Curves ... 13 Automotive Products ... 28
REVISION HISTORY 1/14—Rev. D to Rev. E 11/08—Rev. B to Rev. C
Changes to Ordering Guide .. 28 Changes to ESD Parameter, Table 5 ... 10
12/10—Rev. C to Rev. D 6/06—Rev. A to Rev. B
Changes to Features Section.. 1 Updated Format .. Universal Added Automotive SINAD and SNR Parameters (Table 1).. 3 Changes to Reference Section ... 21 Added Automotive SINAD and SNR Parameters (Table 2).. 5 Added Automotive SINAD and SNR Parameters (Table 3).. 7
9/03—Rev. 0 to Rev. A
Added Automotive Temperature Range (Table 5) ... 7 Changes to Figure 3 .. 15 Added Automotive Products Section... 28 Changes to Reference section ... 18 Changes to Ordering Guide .. 28 Rev. E | Page 2 of 28 Document Outline Features General Description Functional Block Diagram Product Highlights Revision History Specifications AD7908 Specifications AD7918 Specifications AD7928 Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Performance Curves Control Register Sequencer Operation SHADOW Register Circuit Information Converter Operation Analog Input ADC Transfer Function Handling Bipolar Input Signals Typical Connection Diagram Analog Input Selection Digital Inputs VDRIVE Reference Modes of Operation Normal Mode (PM1 = PM0 = 1) Full Shutdown Mode (PM1 = 1, PM0 = 0) Auto Shutdown Mode (PM1 = 0, PM0 = 1) Powering Up the AD7908/AD7918/AD7928 Power vs. Throughput Rate Serial Interface Microprocessor Interfacing AD7908/AD7918/AD7928 to TMS320C541 AD7908/AD7918/AD7928 to ADSP-21xx AD7908/AD7918/AD7928 to DSP563xx Application Hints Grounding and Layout Evaluating the AD7908/AD7918/AD7928 Performance Outline Dimensions Ordering Guide Automotive Products
AD7908/AD7918/AD7928 Data Sheet TABLE OF CONTENTS
Features .. 1 Control Register .. 15 General Description ... 1 Sequencer Operation ... 16 Functional Block Diagram .. 1 SHADOW Register .. 17 Product Highlights ... 1 Circuit Information .. 18 Revision History ... 2 Converter Operation .. 18 Specifications ... 3 ADC Transfer Function ... 19 AD7908 Specifications ... 3 Handling Bipolar Input Signals .. 19 AD7918 Specifications ... 5 Typical Connection Diagram ... 19 AD7928 Specifications ... 7 Modes of Operation ... 21 Timing Specifications .. 9 Power vs. Throughput Rate ... 23 Absolute Maximum Ratings .. 10 Serial Interface .. 23 ESD Caution .. 10 Microprocessor Interfacing ... 24 Pin Configuration and Function Descriptions ... 11 Application Hints ... 27 Terminology .. 12 Outline Dimensions ... 28 Typical Performance Characteristics ... 13 Ordering Guide .. 28 Performance Curves ... 13 Automotive Products ... 28
REVISION HISTORY 1/14—Rev. D to Rev. E 11/08—Rev. B to Rev. C
Changes to Ordering Guide .. 28 Changes to ESD Parameter, Table 5 ... 10
12/10—Rev. C to Rev. D 6/06—Rev. A to Rev. B
Changes to Features Section.. 1 Updated Format .. Universal Added Automotive SINAD and SNR Parameters (Table 1).. 3 Changes to Reference Section ... 21 Added Automotive SINAD and SNR Parameters (Table 2).. 5 Added Automotive SINAD and SNR Parameters (Table 3).. 7
9/03—Rev. 0 to Rev. A
Added Automotive Temperature Range (Table 5) ... 7 Changes to Figure 3 .. 15 Added Automotive Products Section... 28 Changes to Reference section ... 18 Changes to Ordering Guide .. 28 Rev. E | Page 2 of 28 Document Outline Features General Description Functional Block Diagram Product Highlights Revision History Specifications AD7908 Specifications AD7918 Specifications AD7928 Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Performance Curves Control Register Sequencer Operation SHADOW Register Circuit Information Converter Operation Analog Input ADC Transfer Function Handling Bipolar Input Signals Typical Connection Diagram Analog Input Selection Digital Inputs VDRIVE Reference Modes of Operation Normal Mode (PM1 = PM0 = 1) Full Shutdown Mode (PM1 = 1, PM0 = 0) Auto Shutdown Mode (PM1 = 0, PM0 = 1) Powering Up the AD7908/AD7918/AD7928 Power vs. Throughput Rate Serial Interface Microprocessor Interfacing AD7908/AD7918/AD7928 to TMS320C541 AD7908/AD7918/AD7928 to ADSP-21xx AD7908/AD7918/AD7928 to DSP563xx Application Hints Grounding and Layout Evaluating the AD7908/AD7918/AD7928 Performance Outline Dimensions Ordering Guide Automotive Products