Datasheet AD8226 (Analog Devices) - 5

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Data Sheet AD8226
+VS = 2.7 V, −VS = 0 V, VREF = 0 V, TA = 25°C, G = 1, RL = 10 kΩ, specifications referred to input, unless otherwise noted.
Table 3. ARZ, ARMZ BRZ, BRMZ Parameter Conditions Min Typ Max Min Typ Max Unit
COMMON-MODE REJECTION RATIO (CMRR) VCM = 0 V to 1.7 V CMRR, DC to 60 Hz G = 1 86 90 dB G = 10 106 106 dB G = 100 120 120 dB G = 1000 120 120 dB CMRR at 5 kHz G = 1 80 80 dB G = 10 90 90 dB G = 100 90 90 dB G = 1000 100 100 dB NOISE Total noise: e 2 N = √(eNI + (eNO/G)2) Voltage Noise 1 kHz Input Voltage Noise, eNI 22 24 22 24 nV/√Hz Output Voltage Noise, eNO 120 125 120 125 nV/√Hz RTI f = 0.1 Hz to 10 Hz G = 1 2.0 2.0 μV p-p G = 10 0.5 0.5 μV p-p G = 100 to 1000 0.4 0.4 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 100 50 μV Average Temperature Coefficient TA = −40°C to +125°C 0.5 2 0.5 1 μV/°C Output Offset, VOSO 600 400 μV Average Temperature Coefficient TA = −40°C to +125°C 2 10 1 5 μV/°C Offset RTI vs. Supply (PSR) VS = 0 V to 1.7 V G = 1 100 100 dB G = 10 115 115 dB G = 100 120 120 dB G = 1000 120 120 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 Coefficient TA = −40°C to +125°C 70 70 pA/°C Input Offset Current TA = +25°C 1 0.5 nA TA = +125°C 1.5 0.5 nA TA = −40°C 1 0.1 nA Average Temperature Coefficient TA = −40°C to +125°C 5 5 pA/°C REFERENCE INPUT RIN 100 100 kΩ IIN 7 7 μA Voltage Range −VS +VS −VS +VS V Reference Gain to Output 1 1 V/V Reference Gain Error 0.01 0.01 % DYNAMIC RESPONSE Small-Signal −3 dB Bandwidth G = 1 1500 1500 kHz G = 10 160 160 kHz G = 100 20 20 kHz G = 1000 2 2 kHz Rev. D | Page 5 of 28 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION 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 Performance Across Temperature Recommendation for Best Performance 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