Datasheet AD8220 (Analog Devices) - 3

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Data Sheet AD8220 SPECIFICATIONS
VS+ = 15 V, VS− = −15 V, VREF = 0 V, TA = 25°C, TOPR = −40°C to +85°C for A and B grades. TOPR = −40°C to +125°C for W grade, G = 1, RL = 2 kΩ1, unless otherwise noted.
Table 1. A Grade B Grade W Grade Parameter Test Conditions Min Typ Max Min Typ Max Min Typ Max Unit
COMMON-MODE TA for A, B grades, REJECTION RATIO (CMRR) TOPR for W grade CMRR DC to 60 Hz with VCM = ±10 V 1 kΩ Source Imbalance G = 1 78 86 77 dB G = 10 94 100 92 dB G = 100 94 100 92 dB G = 1000 94 100 92 dB CMRR at 5 kHz VCM = ±10 V G = 1 74 80 72 dB G = 10 84 90 80 dB G = 100 84 90 80 dB G = 1000 84 90 80 dB NOISE RTI noise = √(e 2 ni + (eno/G)2), TA Voltage Noise, 1 kHz Input Voltage Noise, eni VIN+, VIN− = 0 V 14 14 17 14 nV/√Hz Output Voltage Noise, eno VIN+, VIN− = 0 V 90 90 100 90 nV/√Hz RTI, 0.1 Hz to 10 Hz G = 1 5 5 5 µV p-p G = 1000 0.8 0.8 0.8 µV p-p Current Noise f = 1 kHz 1 1 1 fA/√Hz VOLTAGE OFFSET VOS = VOSI + VOSO/G Input Offset, VOSI TA −250 +250 −125 +125 −250 +250 µV Average TC TOPR −10 +10 −5 +5 −10 +10 µV/°C Output Offset, VOSO TA −750 +750 −500 +500 −750 +750 µV Average TC TOPR −10 +10 −5 +5 −10 +10 µV/°C Offset RTI vs. Supply VS = ±5 V to ±15 V, (PSR) TA for A, B grades, TOPR for W grade G = 1 86 86 80 dB G = 10 96 100 92 dB G = 100 96 100 92 dB G = 1000 96 100 92 dB INPUT CURRENT Input Bias Current TA 25 10 25 pA Over Temperature TOPR 0.3 0.3 100 nA Input Offset Current TA 2 0.6 2 pA Over Temperature TOPR 0.005 0.005 10 nA DYNAMIC RESPONSE Small Signal Bandwidth, TA −3 dB G = 1 1500 1500 1500 kHz G = 10 800 800 800 kHz G = 100 120 120 120 kHz G = 1000 14 14 14 kHz Rev. C | Page 3 of 28 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION GAIN SELECTION LAYOUT Common-Mode Rejection Ratio (CMRR) Grounding REFERENCE TERMINAL POWER SUPPLY REGULATION AND BYPASSING INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE DRIVING AN ADC APPLICATIONS INFORMATION AC-COUPLED INSTRUMENTATION AMPLIFIER DIFFERENTIAL OUTPUT ELECTROCARDIOGRAM SIGNAL CONDITIONING OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS