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AD8228ARMZ-R7 数据表(PDF) 5 Page - Analog Devices |
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AD8228ARMZ-R7 数据表(HTML) 5 Page - Analog Devices |
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5 / 24 page  AD8228 Rev. 0 | Page 5 of 24 GAIN = 100 VS = ±15 V, VREF = 0 V, TA = 25°C, RL = 2 kΩ, all specifications referred to input, unless otherwise noted. Table 3. Conditions A Grade B Grade Parameter (Gain = 100) Min Typ Max Min Typ Max Unit COMMON-MODE REJECTION RATIO CMRR DC to 60 Hz with 1 kΩ Source Imbalance VCM = −10 V to +10 V 114 120 dB CMRR at 2 kHz VCM = −10 V to +10 V 100 105 dB NOISE VIN+ = VIN− = VREF = 0 V Voltage Noise f = 1 kHz 8 8 nV/√Hz f = 0.1 Hz to 10 Hz 0.3 0.3 μV p-p Current Noise f = 1 kHz 40 40 fA/√Hz f = 0.1 Hz to 10 Hz 6 6 pA p-p VOLTAGE OFFSET Referred to input, VS = ±5 V to ±15 V Offset 90 50 μV Over Temperature T = −40°C to +85°C 140 80 μV Average TC T = −40°C to +85°C 0.9 0.5 μV/°C Offset vs. Supply (PSR) 118 140 124 140 dB INPUT CURRENT Input Bias Current 0.5 1.5 0.4 0.6 nA Over Temperature T = −40°C to +85°C 2.0 1 nA Average TC T = −40°C to +85°C 1 1 pA/°C Input Offset Current 0.2 0.6 0.1 0.4 nA Over Temperature T = −40°C to +85°C 0.8 0.6 nA Average TC T = −40°C to +85°C 1 1 pA/°C REFERENCE INPUT RIN 20 20 kΩ IIN VIN+ = VIN− = VREF = 0 V 50 60 50 60 μA Voltage Range −VS +VS −VS +VS V Gain to Output 1 ± 0.0001 1 ± 0.0001 V/V DYNAMIC RESPONSE Small Signal −3 dB Bandwidth 110 110 kHz Settling Time 0.01% 10 V step 13 13 μs Settling Time 0.001% 10 V step 15 15 μs Slew Rate 2 2.5 2 2.5 V/μs GAIN VOUT = −10 V to +10 V Gain Error 0.1 0.05 % Gain Nonlinearity RL = 10 kΩ 5 15 5 15 ppm RL = 2 kΩ 15 45 15 45 ppm Gain vs. Temperature 1 10 1 2 ppm/°C INPUT Input Impedance Differential 100||2 100||2 GΩ||pF Common Mode 100||2 100||2 GΩ||pF Input Operating Voltage Range1 VS = ±2.3 V to ±5 V −VS + 1.9 +VS − 1.1 −VS + 1.9 +VS − 1.1 V Over Temperature T = −40°C to +85°C −VS + 2.0 +VS − 1.2 −VS + 2.0 +VS − 1.2 V Input Operating Voltage Range1 VS = ±5 V to ±18 V −VS + 1.9 +VS − 1.2 −VS + 1.9 +VS − 1.2 V Over Temperature T =−40°C to +85°C −VS + 2.0 +VS − 1.2 −VS + 2.0 +VS − 1.2 V |
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