Datasheet AD8290 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | G = 50, CMOS Sensor Amplifier with Current Excitation |
| 页数 / 页 | 20 / 2 — AD8290. TABLE OF CONTENTS. REVISION HISTORY. 2/08—Rev. SpA to Rev. B. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 543 Kb |
| 文件语言 | 英语 |
AD8290. TABLE OF CONTENTS. REVISION HISTORY. 2/08—Rev. SpA to Rev. B. 8/07—Revision SpA. 7/07—Revision 0: Initial Version
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AD8290 TABLE OF CONTENTS
Features .. 1 Current Source.. 15 Applications... 1 Applications Information .. 16 General Description ... 1 Typical Connections .. 16 Functional Block Diagram .. 1 Current Excitation.. 16 Revision History ... 2 Enable/Disable Function ... 16 Specifications... 3 Output Filtering.. 16 Absolute Maximum Ratings.. 5 Clock Feedthrough... 16 Thermal Resistance .. 5 Maximizing Performance Through Proper Layout ... 17 ESD Caution.. 5 Power Supply Bypassing .. 17 Pin Configuration and Function Descriptions... 6 Dual-Supply Operation ... 17 Typical Performance Characteristics ... 7 Pressure Sensor Bridge Application... 18 Theory of Operation .. 14 Temperature Sensor Application.. 19 Amplifier.. 14 ADC/Microcontroller.. 19 High Power Supply Rejection (PSR) and Common-Mode Outline Dimensions ... 20 Rejection (CMR) .. 14 Ordering Guide .. 20 1/f Noise Correction .. 14
REVISION HISTORY 2/08—Rev. SpA to Rev. B
Changes to Features Section.. 1 Changes to Amplifier Section and Figure 43 .. 14 Changes to Current Source Section ... 15 Changes to Current Excitation Section, Output Filtering Section, Clock Feedthrough Section, and Figure 45.. 16 Changes to Figure 46.. 17
8/07—Revision SpA 7/07—Revision 0: Initial Version
Rev. B | Page 2 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION AMPLIFIER HIGH POWER SUPPLY REJECTION (PSR) AND COMMON-MODE REJECTION (CMR) 1/f NOISE CORRECTION CURRENT SOURCE APPLICATIONS INFORMATION TYPICAL CONNECTIONS CURRENT EXCITATION ENABLE/DISABLE FUNCTION OUTPUT FILTERING CLOCK FEEDTHROUGH MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT POWER SUPPLY BYPASSING DUAL-SUPPLY OPERATION PRESSURE SENSOR BRIDGE APPLICATION TEMPERATURE SENSOR APPLICATION ADC/MICROCONTROLLER OUTLINE DIMENSIONS ORDERING GUIDE
AD8290 TABLE OF CONTENTS
Features .. 1 Current Source.. 15 Applications... 1 Applications Information .. 16 General Description ... 1 Typical Connections .. 16 Functional Block Diagram .. 1 Current Excitation.. 16 Revision History ... 2 Enable/Disable Function ... 16 Specifications... 3 Output Filtering.. 16 Absolute Maximum Ratings.. 5 Clock Feedthrough... 16 Thermal Resistance .. 5 Maximizing Performance Through Proper Layout ... 17 ESD Caution.. 5 Power Supply Bypassing .. 17 Pin Configuration and Function Descriptions... 6 Dual-Supply Operation ... 17 Typical Performance Characteristics ... 7 Pressure Sensor Bridge Application... 18 Theory of Operation .. 14 Temperature Sensor Application.. 19 Amplifier.. 14 ADC/Microcontroller.. 19 High Power Supply Rejection (PSR) and Common-Mode Outline Dimensions ... 20 Rejection (CMR) .. 14 Ordering Guide .. 20 1/f Noise Correction .. 14
REVISION HISTORY 2/08—Rev. SpA to Rev. B
Changes to Features Section.. 1 Changes to Amplifier Section and Figure 43 .. 14 Changes to Current Source Section ... 15 Changes to Current Excitation Section, Output Filtering Section, Clock Feedthrough Section, and Figure 45.. 16 Changes to Figure 46.. 17
8/07—Revision SpA 7/07—Revision 0: Initial Version
Rev. B | Page 2 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION AMPLIFIER HIGH POWER SUPPLY REJECTION (PSR) AND COMMON-MODE REJECTION (CMR) 1/f NOISE CORRECTION CURRENT SOURCE APPLICATIONS INFORMATION TYPICAL CONNECTIONS CURRENT EXCITATION ENABLE/DISABLE FUNCTION OUTPUT FILTERING CLOCK FEEDTHROUGH MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT POWER SUPPLY BYPASSING DUAL-SUPPLY OPERATION PRESSURE SENSOR BRIDGE APPLICATION TEMPERATURE SENSOR APPLICATION ADC/MICROCONTROLLER OUTLINE DIMENSIONS ORDERING GUIDE