Datasheet AD8571, AD8572, AD8574 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers |
| Seiten / Seite | 28 / 7 — Data Sheet. AD8571/AD8572/AD8574. TYPICAL PERFORMANCE CHARACTERISTICS. … |
| Revision | F |
| Dateiformat / Größe | PDF / 488 Kb |
| Dokumentensprache | Englisch |
Data Sheet. AD8571/AD8572/AD8574. TYPICAL PERFORMANCE CHARACTERISTICS. 180. VS = 2.7V. VS = 5V. 160. CM = 1.35V. VCM = 2.5V. TA = 25°C. 140
Modelllinie für dieses Datenblatt
Textversion des Dokuments
Data Sheet AD8571/AD8572/AD8574 TYPICAL PERFORMANCE CHARACTERISTICS 180 180 VS = 2.7V VS = 5V 160 V 160 CM = 1.35V VCM = 2.5V TA = 25°C TA = 25°C 140 140 RS RS IE 120 IE 120 IF IF L L P P 100 100 AM AM F F 80 80 R O R O BE 60 BE 60 NUM NUM 40 40 20 20 0 0 –2.5 –1.5 –0.5 0.5 1.5 2.5
007
–2.5 –1.5 –0.5 0.5 1.5 2.5
010
OFFSET VOLTAGE (µV) OFFSET VOLTAGE (µV)
01104- 01104- Figure 7. Input Offset Voltage Distribution Figure 10. Input Offset Voltage Distribution
50 12 VS = 5V 40 TA = –40°C, +25°C, +85°C VS = 5V 10 VCM = 2.5V TA = –40°C TO +125°C A) 30 p ( +85°C RS IE 8 NT 20 IF L P 10 AM CURRE 6 F AS +25°C R O BI 0 BE UT 4 –10 INP NUM –40°C 2 –20
008
–30 0 0 1 2 3 4 5
01104-
0 1 2 3 4 5 6
011
INPUT COMMON-MODE VOLTAGE (V) INPUT OFFSET DRIFT (nV/°C)
01104- Figure 8. Input Bias Current vs. Input Common-Mode Voltage Figure 11. Input Offset Voltage Drift Distribution
1500 10k VS = 5V V T S = 5V A = 125°C TA = 25°C 1000 1k A) ) p V 500 ( m ( NT GE 100 0 CURRE OLTA SOURCE AS –500 T V 10 U SINK BI TP UT –1000 OU INP 1 –1500 –2000 0.1 0 1 2 3 4 5
009
0.0001 0.001 0.01 0.1 1 10 100
012
COMMON-MODE VOLTAGE (V) LOAD CURRENT (mA)
01104- 01104- Figure 9. Input Bias Current vs. Common-Mode Voltage Figure 12. Output Voltage to Supply Rail vs. Load Current Rev. F | Page 7 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS 5 V ELECTRICAL CHARACTERISTICS 2.7 V ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS FUNCTIONAL DESCRIPTION AMPLIFIER ARCHITECTURE BASIC AUTO-ZERO AMPLIFIER THEORY AUTO-ZERO PHASE AMPLIFICATION PHASE HIGH GAIN, CMRR, AND PSRR MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT 1/f NOISE CHARACTERISTICS RANDOM AUTO-ZERO CORRECTION ELIMINATES INTERMODULATION DISTORTION BROADBAND AND EXTERNAL RESISTOR NOISE CONSIDERATIONS OUTPUT OVERDRIVE RECOVERY INPUT OVERVOLTAGE PROTECTION OUTPUT PHASE REVERSAL CAPACITIVE LOAD DRIVE POWER-UP BEHAVIOR APPLICATIONS INFORMATION 5 V PRECISION STRAIN GAGE CIRCUIT 3 V INSTRUMENTATION AMPLIFIER HIGH ACCURACY THERMOCOUPLE AMPLIFIER PRECISION CURRENT METER PRECISION VOLTAGE COMPARATOR OUTLINE DIMENSIONS ORDERING GUIDE
007
–2.5 –1.5 –0.5 0.5 1.5 2.5
010
OFFSET VOLTAGE (µV) OFFSET VOLTAGE (µV)
01104- 01104- Figure 7. Input Offset Voltage Distribution Figure 10. Input Offset Voltage Distribution
50 12 VS = 5V 40 TA = –40°C, +25°C, +85°C VS = 5V 10 VCM = 2.5V TA = –40°C TO +125°C A) 30 p ( +85°C RS IE 8 NT 20 IF L P 10 AM CURRE 6 F AS +25°C R O BI 0 BE UT 4 –10 INP NUM –40°C 2 –20
008
–30 0 0 1 2 3 4 5
01104-
0 1 2 3 4 5 6
011
INPUT COMMON-MODE VOLTAGE (V) INPUT OFFSET DRIFT (nV/°C)
01104- Figure 8. Input Bias Current vs. Input Common-Mode Voltage Figure 11. Input Offset Voltage Drift Distribution
1500 10k VS = 5V V T S = 5V A = 125°C TA = 25°C 1000 1k A) ) p V 500 ( m ( NT GE 100 0 CURRE OLTA SOURCE AS –500 T V 10 U SINK BI TP UT –1000 OU INP 1 –1500 –2000 0.1 0 1 2 3 4 5
009
0.0001 0.001 0.01 0.1 1 10 100
012
COMMON-MODE VOLTAGE (V) LOAD CURRENT (mA)
01104- 01104- Figure 9. Input Bias Current vs. Common-Mode Voltage Figure 12. Output Voltage to Supply Rail vs. Load Current Rev. F | Page 7 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS 5 V ELECTRICAL CHARACTERISTICS 2.7 V ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS FUNCTIONAL DESCRIPTION AMPLIFIER ARCHITECTURE BASIC AUTO-ZERO AMPLIFIER THEORY AUTO-ZERO PHASE AMPLIFICATION PHASE HIGH GAIN, CMRR, AND PSRR MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT 1/f NOISE CHARACTERISTICS RANDOM AUTO-ZERO CORRECTION ELIMINATES INTERMODULATION DISTORTION BROADBAND AND EXTERNAL RESISTOR NOISE CONSIDERATIONS OUTPUT OVERDRIVE RECOVERY INPUT OVERVOLTAGE PROTECTION OUTPUT PHASE REVERSAL CAPACITIVE LOAD DRIVE POWER-UP BEHAVIOR APPLICATIONS INFORMATION 5 V PRECISION STRAIN GAGE CIRCUIT 3 V INSTRUMENTATION AMPLIFIER HIGH ACCURACY THERMOCOUPLE AMPLIFIER PRECISION CURRENT METER PRECISION VOLTAGE COMPARATOR OUTLINE DIMENSIONS ORDERING GUIDE