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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD845 датащи(PDF) 2 Page - Analog Devices |
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AD845 датащи(HTML) 2 Page - Analog Devices |
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2 / 8 page  AD845–SPECIFICATIONS REV. D –2– (@ +25 C and 15 V dc, unless otherwise noted) Model AD845J/A AD845K/B AD845S Conditions Min Typ Max Min Typ Max Min Typ Max Units INPUT OFFSET VOLTAGE 1 Initial Offset 0.7 1.5 0.1 0.25 0.25 1.0 mV TMIN–TMAX 2.5 0.4 2.0 mV Offset Drift 20 1.5 5.0 10 µV/°C INPUT BIAS CURRENT2 Initial VCM = 0 V 0.75 2 0.5 1 0.75 2 nA TMIN–TMAX 45/75 18/38 500 nA INPUT OFFSET CURRENT Initial VCM = 0 V 25 300 15 100 25 300 pA TMIN–TMAX 3/6.5 1.2/2.6 20 nA INPUT CHARACTERISTICS Input Resistance 10 11 10 11 10 11 k Ω Input Capacitance 4.0 4.0 4.0 pF INPUT VOLTAGE RANGE Differential ±20 ±20 ±20 V Common Mode 10 +10.5/–13 10 +10.5/–13 10 +10.5/–13 V Common-Mode Rejection VCM = ± 10 V 86 110 94 113 86 110 dB INPUT VOLTAGE NOISE 0.1 Hz to 10 Hz 4 4 4 µV p-p f = 10 Hz 80 80 80 nV/ √Hz f = 100 Hz 60 60 60 nV/ √Hz f = 1 kHz 25 25 25 nV/ √Hz f = 10 kHz 18 18 18 nV/ √Hz f = 100 kHz 12 12 12 nV/ √Hz INPUT CURRENT NOISE f = 1 kHz 0.1 0.1 0.1 pA/ √Hz OPEN-LOOP GAIN VO = ± 10 V RLOAD ≥ 2 kΩ 200 500 250 500 200 500 V/mV RLOAD ≥ 500 Ω 100 250 125 250 100 250 V/mV TMIN–TMAX 70 75 50 V/mV OUTPUT CHARACTERISTICS Voltage RLOAD ≥ 500 Ω 12.5 12.5 12.5 V Current Short Circuit 50 50 50 mA Output Resistance Open Loop 5 5 5 Ω FREQUENCY RESPONSE Small Signal Unity Gain 12.8 16 13.6 16 13.6 16 MHz Full Power Bandwidth 3 VO = ± 10 V RLOAD = 500 Ω 1.75 1.75 1.75 MHz Rise Time 20 20 20 ns Overshoot 20 20 20 % Slew Rate 80 100 94 100 94 100 V/ µs Settling Time 10 V Step CLOAD = 100 pF RLOAD = 500 Ω to 0.01% 350 350 500 350 500 ns to 0.1% 250 250 250 ns DIFFERENTIAL GAIN f = 4.4 MHz 0.04 0.04 0.04 % DIFFERENTIAL PHASE f = 4.4 MHz 0.02 0.02 0.02 Degree POWER SUPPLY Rated Performance ±15 ±15 ±15 V Operating Range 4.75 18 4.75 18 4.75 18 V Rejection Ratio VS = ± 5 to ± 15 V 88 110 95 113 88 110 dB Quiescent Current TMIN to TMAX 10 12 10 12 10 12 mA 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. 3FPBW = slew rate/2 π V peak. 4“S” grade T MIN–TMAX are tested with automatic test equipment at TA = –55°C and TA = +125°C. All min and max specifications are guaranteed. Specifications shown in boldface are tested on all production units at final electrical test. Results from these tests are used to calculate outgoing quality levels. Specifications subject to change without notice. |
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