Datasheet AD8231 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Zero Drift, Digitally Programmable Instrumentation Amplifier |
| Pages / Page | 24 / 2 — AD8231. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 12/14—Rev. B to … |
| Revision | E |
| File Format / Size | PDF / 626 Kb |
| Document Language | English |
AD8231. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 12/14—Rev. B to Rev. C. 4/11—Rev. A to Rev. B. 9/07—Rev. 0 to Rev. A
Text Version of Document
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AD8231 Data Sheet TABLE OF CONTENTS
Features .. 1 Gain Selection ... 18 Applications ... 1 Reference Terminal .. 18 Functional Block Diagram .. 1 Layout .. 19 General Description ... 1 Input Bias Current Return Path ... 19 Revision History ... 2 Input Protection ... 19 Specifications ... 3 RF Interference ... 20 Absolute Maximum Ratings .. 7 Common-Mode Input Voltage Range ... 20 Thermal Resistance .. 7 Reducing Noise ... 20 Maximum Power Dissipation ... 7 Applications Information .. 21 ESD Caution .. 7 Differential Output .. 21 Pin Configuration and Function Descriptions ... 8 Multiplexing .. 21 Typical Performance Characteristics ... 9 Using the AD8231 with Bipolar Supplies .. 21 Instrumentation Amplifier Performance Curves ... 9 Sallen Key Filter .. 22 Operational Amplifier Performance Curves .. 15 Outline Dimensions ... 23 Performance Curves Valid for Both Amplifiers ... 17 Ordering Guide .. 23 Theory of Operation .. 18 Automotive Products ... 23 Amplifier Architecture .. 18
REVISION HISTORY 12/14—Rev. B to Rev. C
Inserted Figure 9; Renumbered Sequentially .. 10 Changes to Figure 12 to Figure 14 Captions ... 10 Inserted Figure 16, and Figure 18 to Figure 20; Renumbered Changes to Figure 19 and Figure 20 ... 11 Sequentially ... 11 Updated Outline Dimensions ... 23 Inserted Figure 24; Renumbered Sequentially ... 12 Changes to Ordering Guide .. 23 Deleted Figure 28 and Figure 29; Renumbered Sequentially ... 13 Inserted Figure 33 and Figure 34; Renumbered Sequentially .. 14
4/11—Rev. A to Rev. B
Inserted Figure 41 to Figure 46; Renumbered Sequentially ... 16 Changes to Features Section and Applications Section ... 1 Inserted Figure 48; Renumbered Sequentially ... 17 Added Exposed Pad Notation to Outline Dimensions ... 23 Changes to Gain Selection Section and Figure 50 ... 18 Changes to Ordering Guide .. 23 Added Input Protection Section ... 19 Added Automotive Products Section .. 23 Added Reducing Noise Section .. 20
9/07—Rev. 0 to Rev. A
Changes to Multiplexing Section ... 21 Added Using the AD8231 with Bipolar Supplies Section ... 21 Changes to Features and General Description ... 1 Added Sallen Key Filter Section ... 22 Changes to Table 2 .. 3 Changes to Ordering Guide .. 23 Changes to Table 3 .. 5 Changes to Typical Performance Characteristics Layout .. 9
5/07—Revision 0: Initial Version
Inserted Figure 3 to Figure 8; Renumbered Sequentially .. 9 Rev. C | Page 2 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION AMPLIFIER PERFORMANCE CURVES OPERATIONAL AMPLIFIER PERFORMANCE CURVES PERFORMANCE CURVES VALID FOR BOTH AMPLIFIERS THEORY OF OPERATION AMPLIFIER ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL LAYOUT Power Supplies Package Considerations Thermal Pad INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE REDUCING NOISE APPLICATIONS INFORMATION DIFFERENTIAL OUTPUT MULTIPLEXING USING THE AD8231 WITH BIPOLAR SUPPLIES SALLEN KEY FILTER OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
AD8231 Data Sheet TABLE OF CONTENTS
Features .. 1 Gain Selection ... 18 Applications ... 1 Reference Terminal .. 18 Functional Block Diagram .. 1 Layout .. 19 General Description ... 1 Input Bias Current Return Path ... 19 Revision History ... 2 Input Protection ... 19 Specifications ... 3 RF Interference ... 20 Absolute Maximum Ratings .. 7 Common-Mode Input Voltage Range ... 20 Thermal Resistance .. 7 Reducing Noise ... 20 Maximum Power Dissipation ... 7 Applications Information .. 21 ESD Caution .. 7 Differential Output .. 21 Pin Configuration and Function Descriptions ... 8 Multiplexing .. 21 Typical Performance Characteristics ... 9 Using the AD8231 with Bipolar Supplies .. 21 Instrumentation Amplifier Performance Curves ... 9 Sallen Key Filter .. 22 Operational Amplifier Performance Curves .. 15 Outline Dimensions ... 23 Performance Curves Valid for Both Amplifiers ... 17 Ordering Guide .. 23 Theory of Operation .. 18 Automotive Products ... 23 Amplifier Architecture .. 18
REVISION HISTORY 12/14—Rev. B to Rev. C
Inserted Figure 9; Renumbered Sequentially .. 10 Changes to Figure 12 to Figure 14 Captions ... 10 Inserted Figure 16, and Figure 18 to Figure 20; Renumbered Changes to Figure 19 and Figure 20 ... 11 Sequentially ... 11 Updated Outline Dimensions ... 23 Inserted Figure 24; Renumbered Sequentially ... 12 Changes to Ordering Guide .. 23 Deleted Figure 28 and Figure 29; Renumbered Sequentially ... 13 Inserted Figure 33 and Figure 34; Renumbered Sequentially .. 14
4/11—Rev. A to Rev. B
Inserted Figure 41 to Figure 46; Renumbered Sequentially ... 16 Changes to Features Section and Applications Section ... 1 Inserted Figure 48; Renumbered Sequentially ... 17 Added Exposed Pad Notation to Outline Dimensions ... 23 Changes to Gain Selection Section and Figure 50 ... 18 Changes to Ordering Guide .. 23 Added Input Protection Section ... 19 Added Automotive Products Section .. 23 Added Reducing Noise Section .. 20
9/07—Rev. 0 to Rev. A
Changes to Multiplexing Section ... 21 Added Using the AD8231 with Bipolar Supplies Section ... 21 Changes to Features and General Description ... 1 Added Sallen Key Filter Section ... 22 Changes to Table 2 .. 3 Changes to Ordering Guide .. 23 Changes to Table 3 .. 5 Changes to Typical Performance Characteristics Layout .. 9
5/07—Revision 0: Initial Version
Inserted Figure 3 to Figure 8; Renumbered Sequentially .. 9 Rev. C | Page 2 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION AMPLIFIER PERFORMANCE CURVES OPERATIONAL AMPLIFIER PERFORMANCE CURVES PERFORMANCE CURVES VALID FOR BOTH AMPLIFIERS THEORY OF OPERATION AMPLIFIER ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL LAYOUT Power Supplies Package Considerations Thermal Pad INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE REDUCING NOISE APPLICATIONS INFORMATION DIFFERENTIAL OUTPUT MULTIPLEXING USING THE AD8231 WITH BIPOLAR SUPPLIES SALLEN KEY FILTER OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
