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AD8220ARMZ-R7 数据表(PDF) 4 Page - Analog Devices |
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AD8220ARMZ-R7 数据表(HTML) 4 Page - Analog Devices |
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4 / 29 page  AD8220 Rev. B | Page 3 of 28 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 REJECTION RATIO (CMRR) TA for A, B grades, TOPR for W grade CMRR DC to 60 Hz with 1 kΩ Source Imbalance VCM = ±10 V 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 = √(eni2 + (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 (PSR) VS = ±5 V to ±15 V, 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, −3 dB TA G = 1 1500 1500 1500 kHz G = 10 800 800 800 kHz G = 100 120 120 120 kHz G = 1000 14 14 14 kHz |
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