Datasheet AD8231 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | Zero Drift, Digitally Programmable Instrumentation Amplifier |
| Pages / Page | 24 / 9 — Data Sheet. AD8231. TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION … |
| Revision | E |
| File Format / Size | PDF / 626 Kb |
| Document Language | English |
Data Sheet. AD8231. TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION AMPLIFIER PERFORMANCE CURVES. 1000. 1400. N: 5956
Text Version of Document
Data Sheet AD8231 TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION AMPLIFIER PERFORMANCE CURVES 1000 1400 N: 5956 N: 5956 MEAN: 0.977167 MEAN: –48.0779 SD: 11.8177 1200 SD: 21.0433 800 1000 600 800 ITS ITS H H 600 400 400 200 200 0 0 –100 –80 –60 –40 –20 0 20 40 60 80 100
100
–500 –400 –300 –200 –100 0 100 200 300 400 500
103
CMRR (µV/V) GAIN ERROR (µV/V)
06586- 06586- Figure 3. Instrumentation Amplifier CMR Distribution, G = 1 Figure 6. Instrumentation Amplifier Gain Distribution, G = 1
800 9 N: 5956 N: 40 MEAN: 2.06788 MEAN: –8.31 700 8 SD: 1.07546 SD: 6 7 600 RS IE 6 500 IF L P 5 ITS 400 AM H F 4 R O 300 BE 3 200 NUM 2 100 1 0 0 –15 –10 –5 0 5 10 15
101
–50 –40 –30 –20 –10 0 10 20 30 40 50
104
VOSI (µV) INPUT OFFSET DRIFT (nV/°C)
06586- 06586- Figure 4. Instrumentation Amplifier Input Offset Voltage Distribution Figure 7. Instrumentation Amplifier Input Offset Voltage Drift, −40°C to +125°C
800 16 N: 5956 N: 40 MEAN: 10.3901 MEAN: –0.003 700 14 SD: 3.9553 SD: 0.061 600 12 RS IE IF 500 10 L P AM ITS 400 8 F H R O 300 6 BE 200 NUM 4 100 2 0 0 –30 –20 –10 0 10 20 30 –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4 0.5
105 102
V OUTPUT OFFSET DRIFT (µV/°C) OSO (µV)
06586- 06586- Figure 5. Instrumentation Amplifier Output Offset Voltage Distribution Figure 8. Instrumentation Amplifier Output Offset Drift, −40°C to +125°C Rev. C | Page 9 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
100
–500 –400 –300 –200 –100 0 100 200 300 400 500
103
CMRR (µV/V) GAIN ERROR (µV/V)
06586- 06586- Figure 3. Instrumentation Amplifier CMR Distribution, G = 1 Figure 6. Instrumentation Amplifier Gain Distribution, G = 1
800 9 N: 5956 N: 40 MEAN: 2.06788 MEAN: –8.31 700 8 SD: 1.07546 SD: 6 7 600 RS IE 6 500 IF L P 5 ITS 400 AM H F 4 R O 300 BE 3 200 NUM 2 100 1 0 0 –15 –10 –5 0 5 10 15
101
–50 –40 –30 –20 –10 0 10 20 30 40 50
104
VOSI (µV) INPUT OFFSET DRIFT (nV/°C)
06586- 06586- Figure 4. Instrumentation Amplifier Input Offset Voltage Distribution Figure 7. Instrumentation Amplifier Input Offset Voltage Drift, −40°C to +125°C
800 16 N: 5956 N: 40 MEAN: 10.3901 MEAN: –0.003 700 14 SD: 3.9553 SD: 0.061 600 12 RS IE IF 500 10 L P AM ITS 400 8 F H R O 300 6 BE 200 NUM 4 100 2 0 0 –30 –20 –10 0 10 20 30 –0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4 0.5
105 102
V OUTPUT OFFSET DRIFT (µV/°C) OSO (µV)
06586- 06586- Figure 5. Instrumentation Amplifier Output Offset Voltage Distribution Figure 8. Instrumentation Amplifier Output Offset Drift, −40°C to +125°C Rev. C | Page 9 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
