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AD8278BRMZ-R7 Folha de dados(PDF) 3 Page - Analog Devices |
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AD8278BRMZ-R7 Folha de dados(HTML) 3 Page - Analog Devices |
3 / 24 page AD8278/AD8279 Rev. C | Page 3 of 24 SPECIFICATIONS VS = ±5 V to ±15 V, VREF = 0 V, TA = 25°C, RL = 10 kΩ connected to ground, G = ½ difference amplifier configuration, unless otherwise noted. Table 2. G = ½ Grade B Grade A Parameter Conditions Min Typ Max Min Typ Max Unit INPUT CHARACTERISTICS System Offset1 50 100 50 250 μV Over Temperature TA = −40°C to +85°C 100 250 μV vs. Power Supply VS = ±5 V to ±18 V 2.5 5 μV/V Average Temperature Coefficient TA = −40°C to +85°C 0.3 1 2 5 μV/°C Common-Mode Rejection Ratio (RTI) VS = ±15 V, VCM = ±27 V, RS = 0 Ω 80 74 dB Input Voltage Range2 −3 (VS + 0.1) +3 (VS − 1.5) −3 (VS + 0.1) +3 (VS − 1.5) V Impedance3 Differential 120 120 kΩ Common Mode 30 30 kΩ DYNAMIC PERFORMANCE Bandwidth 1 1 MHz 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 9 9 μs Settling Time to 0.001% 10 10 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 200 200 pF NOISE5 Output Voltage Noise f = 0.1 Hz to 10 Hz 1.4 1.4 μV p-p f = 1 kHz 47 50 47 50 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 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. |
Nº de peça semelhante - AD8278BRMZ-R7 |
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Descrição semelhante - AD8278BRMZ-R7 |
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