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AD645 Fiches technique(PDF) 2 Page - Analog Devices |
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AD645 Fiches technique(HTML) 2 Page - Analog Devices |
2 / 8 page AD645–SPECIFICATIONS Model AD645J/A AD645K/B AD645C AD645S Conditions 1 Min Typ Max Min Typ Max Min Typ Max Min Typ Max Units INPUT OFFSET VOLTAGE 1 Initial Offset 100 500 50 250 50 250 100 500 µV Offset TMIN –TMAX 300 1000 100 400 75 300 500 1500 µV Drift (Average) 3 10/5 1 5/2 0.5 1 4 10 µV/°C vs. Supply (PSRR) 90 110 94 110 94 110 90 110 dB vs. Supply TMIN –TMAX 100 90 100 90 100 86 95 dB INPUT BIAS CURRENT 2 Either Input VCM = 0 V 0.7/1.8 3/5 0.7/1.8 1.5/3 1.8 3 1.8 5 pA Either Input @ TMAX VCM = 0 V 16/115 16/115 115 1800 pA Either Input VCM = +10 V 0.8/1.9 0.8/1.9 1.9 1.9 pA Offset Current VCM = 0 V 0.1 1.0 0.1 0.5 0.1 0.5 0.1 1.0 pA Offset Current @ TMAX VCM = 0 V 2/6 2/6 6 100 pA INPUT VOLTAGE NOISE 0.1 to 10 Hz 1.0 3.0 1.0 2.5 1 2 1.0 3.3 µV p-p f = 10 Hz 20 50 20 40 20 40 20 50 nV/ √Hz f = 100 Hz 10 30 10 20 10 20 10 30 nV/ √Hz f = 1 kHz 9 15 9 12 9 12 9 15 nV/ √Hz f = 10 kHz 8 10 8 10 8 10 8 10 nV/ √Hz INPUT CURRENT NOISE f = 0.1 to 10 Hz 11 20 11 15 11 15 11 20 fA p-p f = 0.1 thru 20 kHz 0.6 1.1 0.6 0.8 0.6 0.8 0.6 1.1 fA/ √Hz FREQUENCY RESPONSE Unity Gain, Small Signal 2 2 2 2 MHz Full Power Response VO = 20 V p-p RLOAD = 2 kΩ 16 32 16 32 16 32 16 32 kHz Slew Rate, Unity Gain VOUT = 20 V p-p RLOAD = 2 kΩ 12 12 12 12 V/ µs SETTLING TIME 3 To 0.1% 6 6 6 6 µs To 0.01% 8 8 8 8 µs Overload Recovery 4 50% Overdrive 5 5 5 5 µs Total Harmonic f = 1 kHz Distortion RLOAD ≥ 2 kΩ VO = 3 V rms 0.0006 0.0006 0.0006 0.0006 % INPUT IMPEDANCE Differential VDIFF = ± 1 V 10 12 11012 11012 11012 1 Ω pF Common-Mode 10 14 2.2 10 14 2.2 10 14 2.2 10 14 2.2 Ω pF INPUT VOLTAGE RANGE Differential 5 ± 20 ± 20 ± 20 ± 20 V Common-Mode Voltage ± 10 +11, –10.4 ± 10 +11, –10.4 ± 10 +11, –10.4 ± 10 +11, –10.4 V Over Max Oper. Range ± 10 ± 10 ± 10 ± 10 V Common-Mode Rejection Ratio VCM = ± 10 V 90 110 94 110 94 110 90 110 dB TMIN–TMAX 100 90 100 90 100 86 100 dB OPEN-LOOP GAIN VO = ±10 V RLOAD ≥ 2 kΩ 114 130 120 130 120 130 114 130 dB TMIN –TMAX 114 114 110 dB OUTPUT CHARACTERISTICS Voltage RLOAD ≥ 2 kΩ± 10 ± 11 ± 10 ± 11 ± 10 ± 11 ± 10 ± 11 V TMIN –TMAX ± 10 ± 10 ± 10 ± 10 V Current VOUT = ± 10 V ± 5 ± 10 ± 5 ± 10 ± 5 ± 10 ± 5 ± 10 mA Short Circuit ± 15 ± 15 ± 15 ± 15 mA POWER SUPPLY Rated Performance ± 15 ± 15 ± 15 ± 15 V Operating Range ± 5 ± 18 ± 5 ± 18 ± 5 ± 18 ± 5 ± 18 V Quiescent Current 3.0 3.5 3.0 3.5 3.0 3.5 3.0 3.5 mA Transistor Count # of Transistors 62 62 62 62 NOTES 1Input offset voltage specifications are guaranteed after 5 minutes of operation at T A = +25°C. 2Bias current specifications are guaranteed maximum at either input after 5 minutes of operation at T A = +25°C. For higher temperature, the current doubles every 10°C. 3Gain = –1, R LOAD = 2 kΩ. 4Defined as the time required for the amplifier’s output to return to normal operation after removal of a 50% overload from the amplifier input. 5Defined as the maximum continuous voltage between the inputs such that neither input exceeds ± 10 V from ground. All min and max specifications are guaranteed. Specifications subject to change without notice. REV. B –2– (@ +25 C, and 15 V dc, unless otherwise noted) |
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Description similaire - AD645 |
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