Datasheet AD7991, AD7995, AD7999 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 4-Channel, 8-Bit ADC with I2C Compatible Interface in 8-Lead SOT-23 |
| Seiten / Seite | 28 / 2 — AD7991/AD7995/AD7999. TABLE OF CONTENTS. REVISION HISTORY. 10/10—Rev. A … |
| Revision | C |
| Dateiformat / Größe | PDF / 615 Kb |
| Dokumentensprache | Englisch |
AD7991/AD7995/AD7999. TABLE OF CONTENTS. REVISION HISTORY. 10/10—Rev. A to Rev. B. 10/09—Rev. 0 to Rev. A
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AD7991/AD7995/AD7999 TABLE OF CONTENTS
Features .. 1 Converter Operation.. 17 Applications... 1 Typical Connection Diagram ... 18 Functional Block Diagram .. 1 Analog Input ... 18 General Description ... 1 Internal Register Structure .. 20 Product Highlights ... 1 Configuration Register .. 20 Revision History ... 2 Sample Delay and Bit Trial Delay... 21 Specifications... 3 Conversion Result Register ... 21 AD7991 .. 3 Serial Interface .. 22 AD7995 .. 5 Serial Bus Address.. 22 AD7999 .. 7 Writing to the AD7991/AD7995/AD7999.. 23 I2C Timing Specifications.. 9 Reading from the AD7991/AD7995/AD7999.. 24 Absolute Maximum Ratings.. 11 Placing the AD7991/AD7995/AD7999 into High ESD Caution.. 11 Speed Mode... 25 Pin Configuration and Function Descriptions... 12 Mode of Operation... 26 Typical Performance Characteristics ... 13 Outline Dimensions ... 27 Terminology .. 16 Ordering Guide .. 27 Theory of Operation .. 17
REVISION HISTORY 10/10—Rev. A to Rev. B
Changes to Max Offset Error Parameter in Table 2 ... 3 Changes to Max Offset Error Parameter (Y Version) in Table 3 ..5 Changes to Max Offset Error Parameter (Y Version) in Table 4 ..7 Changes to Ordering Guide...27
10/09—Rev. 0 to Rev. A
Changes to Table 3.. 5 Changes to Table 4.. 7 Updated Ordering Guide... 27
12/07—Revision 0: Initial Version
Rev. B | Page 2 of 28 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7991 AD7995 AD7999 I2C TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CONVERTER OPERATION ADC Transfer Function TYPICAL CONNECTION DIAGRAM ANALOG INPUT INTERNAL REGISTER STRUCTURE CONFIGURATION REGISTER SAMPLE DELAY AND BIT TRIAL DELAY CONVERSION RESULT REGISTER SERIAL INTERFACE SERIAL BUS ADDRESS WRITING TO THE AD7991/AD7995/AD7999 READING FROM THE AD7991/AD7995/AD7999 PLACING THE AD7991/AD7995/AD7999 INTO HIGH SPEED MODE MODE OF OPERATION OUTLINE DIMENSIONS ORDERING GUIDE
AD7991/AD7995/AD7999 TABLE OF CONTENTS
Features .. 1 Converter Operation.. 17 Applications... 1 Typical Connection Diagram ... 18 Functional Block Diagram .. 1 Analog Input ... 18 General Description ... 1 Internal Register Structure .. 20 Product Highlights ... 1 Configuration Register .. 20 Revision History ... 2 Sample Delay and Bit Trial Delay... 21 Specifications... 3 Conversion Result Register ... 21 AD7991 .. 3 Serial Interface .. 22 AD7995 .. 5 Serial Bus Address.. 22 AD7999 .. 7 Writing to the AD7991/AD7995/AD7999.. 23 I2C Timing Specifications.. 9 Reading from the AD7991/AD7995/AD7999.. 24 Absolute Maximum Ratings.. 11 Placing the AD7991/AD7995/AD7999 into High ESD Caution.. 11 Speed Mode... 25 Pin Configuration and Function Descriptions... 12 Mode of Operation... 26 Typical Performance Characteristics ... 13 Outline Dimensions ... 27 Terminology .. 16 Ordering Guide .. 27 Theory of Operation .. 17
REVISION HISTORY 10/10—Rev. A to Rev. B
Changes to Max Offset Error Parameter in Table 2 ... 3 Changes to Max Offset Error Parameter (Y Version) in Table 3 ..5 Changes to Max Offset Error Parameter (Y Version) in Table 4 ..7 Changes to Ordering Guide...27
10/09—Rev. 0 to Rev. A
Changes to Table 3.. 5 Changes to Table 4.. 7 Updated Ordering Guide... 27
12/07—Revision 0: Initial Version
Rev. B | Page 2 of 28 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7991 AD7995 AD7999 I2C TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CONVERTER OPERATION ADC Transfer Function TYPICAL CONNECTION DIAGRAM ANALOG INPUT INTERNAL REGISTER STRUCTURE CONFIGURATION REGISTER SAMPLE DELAY AND BIT TRIAL DELAY CONVERSION RESULT REGISTER SERIAL INTERFACE SERIAL BUS ADDRESS WRITING TO THE AD7991/AD7995/AD7999 READING FROM THE AD7991/AD7995/AD7999 PLACING THE AD7991/AD7995/AD7999 INTO HIGH SPEED MODE MODE OF OPERATION OUTLINE DIMENSIONS ORDERING GUIDE