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AD8278ARMZ 数据表(PDF) 4 Page - Analog Devices |
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AD8278ARMZ 数据表(HTML) 4 Page - Analog Devices |
4 / 24 page AD8278/AD8279 Rev. C | Page 4 of 24 VS = ±5 V to ±15 V, VREF = 0 V, TA = 25°C, RL = 10 kΩ connected to ground, G = 2 difference amplifier configuration, unless otherwise noted. Table 3. G = 2 Grade B Grade A Parameter Conditions Min Typ Max Min Typ Max Unit INPUT CHARACTERISTICS System Offset1 100 200 100 500 μV Over Temperature TA = −40°C to +85°C 200 500 μV vs. Power Supply VS = ±5 V to ±18 V 5 10 μV/V Average Temperature Coefficient TA = −40°C to +85°C 0.6 2 2 5 μV/°C Common-Mode Rejection Ratio (RTI) VS = ±15 V, VCM = ±27 V, RS = 0 Ω 86 80 dB Input Voltage Range2 −1.5 (VS + 0.1) +1.5 (VS − 1.5) −1.5 (VS + 0.1) +1.5 (VS − 1.5) V Impedance3 Differential 30 30 kΩ Common Mode 30 30 kΩ DYNAMIC PERFORMANCE Bandwidth 550 550 kHz Slew Rate 1.1 1.4 1.1 1.4 V/μs Channel Separation f = 1 kHz 130 130 dB Settling Time to 0.01% 10 V step on output, CL = 100 pF 10 10 μs Settling Time to 0.001% 11 11 μs GAIN Gain Error 0.005 0.02 0.01 0.05 % Gain Drift TA = −40°C to +85°C 1 5 ppm/°C Gain Nonlinearity VOUT = 20 V p-p 7 12 ppm OUTPUT CHARACTERISTICS Output Voltage Swing4 VS = ±15 V, RL = 10 kΩ, TA = −40°C to +85°C −VS + 0.2 +VS − 0.2 −VS + 0.2 +VS − 0.2 V Short-Circuit Current Limit ±15 ±15 mA Capacitive Load Drive 350 350 pF NOISE5 Output Voltage Noise f = 0.1 Hz to 10 Hz 2.8 2.8 μV p-p f = 1 kHz 90 95 90 95 nV/√Hz POWER SUPPLY6 AD8278 Supply Current 200 200 μA Over Temperature TA = −40°C to +85°C 250 250 μA AD8279 Supply Current 300 350 300 350 μA Over Temperature TA = −40°C to +85°C 400 400 μA Operating Voltage Range7 ±2 ±18 ±2 ±18 V TEMPERATURE RANGE Operating Range −40 +125 −40 +125 °C 1 Includes input bias and offset current errors, RTO (referred to output). 2 The input voltage range may also be limited by absolute maximum input voltage or by the output swing. See the section for details. Input Voltage Range 3 Internal resistors are trimmed to be ratio matched and have ±20% absolute accuracy. 4 Output voltage swing varies with supply voltage and temperature. See Figur through for details. e 22 Figure 25 5 Includes amplifier voltage and current noise, as well as noise from internal resistors. 6 Supply current varies with supply voltage and temperature. See Figure and for details. 26 Figure 28 7 Unbalanced dual supplies can be used, such as −VS = −0.5 V and +VS = +2 V. The positive supply rail must be at least 2 V above the negative supply and reference voltage. |
类似零件编号 - AD8278ARMZ |
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类似说明 - AD8278ARMZ |
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