Datasheet AD8227 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier |
| Seiten / Seite | 24 / 5 — AD8227. Table 3. Test Conditions/. A Grade. B Grade. Parameter. Comments. … |
| Dateiformat / Größe | PDF / 666 Kb |
| Dokumentensprache | Englisch |
AD8227. Table 3. Test Conditions/. A Grade. B Grade. Parameter. Comments. Min Typ. Max Min Typ. Max Unit
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AD8227
+VS = 2.7 V, −VS = 0 V, VREF = 0 V, TA = 25°C, G = 5, RL = 10 kΩ, specifications referred to input, unless otherwise noted.
Table 3. Test Conditions/ A Grade B Grade Parameter Comments Min Typ Max Min Typ Max Unit
COMMON-MODE REJECTION RATIO VCM = 0 V to 1.7 V DC to 60 Hz G = 5 90 100 dB G = 10 96 105 dB G = 100 105 110 dB G = 1000 105 110 dB 5 kHz G = 5 80 80 dB G = 10 86 86 dB G = 100 86 86 dB G = 1000 86 86 dB NOISE Total noise: e 2 N = √(eNI + (eNO/G)2) Voltage Noise, 1 kHz Input Voltage Noise, eNI 25 28 25 28 nV/√Hz Output Voltage Noise, eNO 310 330 310 330 nV/√Hz RTI f = 0.1 Hz to 10 Hz G = 5 1.5 1.5 μV p-p G = 10 0.8 0.8 μV p-p G = 100 to 1000 0.5 0.5 μV p-p Current Noise f = 1 kHz 100 100 fA/√Hz f = 0.1 Hz to 10 Hz 3 3 pA p-p VOLTAGE OFFSET Total offset voltage: VOS = VOSI + (VOSO/G) Input Offset, VOSI VS = 0 V to 1.7 V 200 100 μV Average Temperature Drift TA = −40°C to +125°C 0.2 2 0.2 1 μV/°C Output Offset, VOSO VS = 0 V to 1.7 V 1000 500 μV Average Temperature Drift TA = −40°C to +125°C 2 10 2 5 μV/°C Offset RTI vs. Supply (PSR) VS = 0 V to 1.7 V G = 5 90 100 dB G = 10 96 105 dB G = 100 105 110 dB G = 1000 105 110 dB INPUT CURRENT Input Bias Current1 TA = +25°C 5 20 27 5 20 27 nA TA = +125°C 5 15 25 5 15 25 nA TA = −40°C 5 30 35 5 30 35 nA Average Temperature Drift TA = −40°C to +125°C 70 70 pA/°C Input Offset Current TA = +25°C 1.5 1.5 nA TA = +125°C 1.5 1.5 nA TA = −40°C 2 2 nA Average Temperature Drift TA = −40°C to +125°C 5 5 pA/°C REFERENCE INPUT RIN 60 60 kΩ IIN 12 12 μA Voltage Range −VS +VS −VS +VS V Reference Gain to Output 1 1 V/V Reference Gain Error 0.01 0.01 % Rev. 0 | Page 5 of 24 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies References INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RADIO FREQUENCY INTERFERENCE (RFI) APPLICATIONS INFORMATION DIFFERENTIAL DRIVE Tips for Best Differential Output Performance PRECISION STRAIN GAGE DRIVING AN ADC OUTLINE DIMENSIONS ORDERING GUIDE
AD8227
+VS = 2.7 V, −VS = 0 V, VREF = 0 V, TA = 25°C, G = 5, RL = 10 kΩ, specifications referred to input, unless otherwise noted.
Table 3. Test Conditions/ A Grade B Grade Parameter Comments Min Typ Max Min Typ Max Unit
COMMON-MODE REJECTION RATIO VCM = 0 V to 1.7 V DC to 60 Hz G = 5 90 100 dB G = 10 96 105 dB G = 100 105 110 dB G = 1000 105 110 dB 5 kHz G = 5 80 80 dB G = 10 86 86 dB G = 100 86 86 dB G = 1000 86 86 dB NOISE Total noise: e 2 N = √(eNI + (eNO/G)2) Voltage Noise, 1 kHz Input Voltage Noise, eNI 25 28 25 28 nV/√Hz Output Voltage Noise, eNO 310 330 310 330 nV/√Hz RTI f = 0.1 Hz to 10 Hz G = 5 1.5 1.5 μV p-p G = 10 0.8 0.8 μV p-p G = 100 to 1000 0.5 0.5 μV p-p Current Noise f = 1 kHz 100 100 fA/√Hz f = 0.1 Hz to 10 Hz 3 3 pA p-p VOLTAGE OFFSET Total offset voltage: VOS = VOSI + (VOSO/G) Input Offset, VOSI VS = 0 V to 1.7 V 200 100 μV Average Temperature Drift TA = −40°C to +125°C 0.2 2 0.2 1 μV/°C Output Offset, VOSO VS = 0 V to 1.7 V 1000 500 μV Average Temperature Drift TA = −40°C to +125°C 2 10 2 5 μV/°C Offset RTI vs. Supply (PSR) VS = 0 V to 1.7 V G = 5 90 100 dB G = 10 96 105 dB G = 100 105 110 dB G = 1000 105 110 dB INPUT CURRENT Input Bias Current1 TA = +25°C 5 20 27 5 20 27 nA TA = +125°C 5 15 25 5 15 25 nA TA = −40°C 5 30 35 5 30 35 nA Average Temperature Drift TA = −40°C to +125°C 70 70 pA/°C Input Offset Current TA = +25°C 1.5 1.5 nA TA = +125°C 1.5 1.5 nA TA = −40°C 2 2 nA Average Temperature Drift TA = −40°C to +125°C 5 5 pA/°C REFERENCE INPUT RIN 60 60 kΩ IIN 12 12 μA Voltage Range −VS +VS −VS +VS V Reference Gain to Output 1 1 V/V Reference Gain Error 0.01 0.01 % Rev. 0 | Page 5 of 24 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies References INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RADIO FREQUENCY INTERFERENCE (RFI) APPLICATIONS INFORMATION DIFFERENTIAL DRIVE Tips for Best Differential Output Performance PRECISION STRAIN GAGE DRIVING AN ADC OUTLINE DIMENSIONS ORDERING GUIDE