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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD790 датащи(PDF) 2 Page - Analog Devices |
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AD790 датащи(HTML) 2 Page - Analog Devices |
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2 / 8 page  REV. B –2– AD790–SPECIFICATIONS DUAL SUPPLY AD790J/A AD790K/B AD790S Parameter Conditions Min Typ Max Min Typ Max Min Typ Max Units RESPONSE CHARACTERISTIC 100 mV Step Propagation Delay, tPD 5 mV Overdrive 40 45 40 45 40 45 ns TMIN to TMAX 45/50 45/50 60 ns OUTPUT CHARACTERISTICS Output HIGH Voltage, VOH 1.6 mA Source 4.65 4.65 4.65 6.4 mA Source 4.3 4.45 4.3 4.45 4.3 4.45 V TMIN to TMAX 4.3/4.3 4.3 4.3 V Output LOW Voltage, VOL 1.6 mA Sink 0.35 0.35 0.35 V 6.4 mA Sink 0.44 0.5 0.44 0.5 0.44 0.5 V TMIN to TMAX 0.5/0.5 0.5 0.5 V INPUT CHARACTERISTICS Offset Voltage 1 0.2 1.0 0.05 0.25 0.2 1.0 mV TMIN to TMAX 1.5 0.5 1.5 mV Hysteresis 2 TMIN to TMAX 0.3 0.4 0.6 0.3 0.4 0.5 0.3 0.4 0.65 mV Bias Current Either Input 2.5 5 1.8 3.5 2.5 5 µA TMIN to TMAX 6.5 4.5 7 µA Offset Current 0.04 0.25 0.02 0.15 0.04 0.25 µA TMIN to TMAX 0.3 0.2 0.4 µA Power Supply Rejection Ratio DC VS ± 20% 80 90 88 100 80 90 dB TMIN to TMAX 76 88 85 93 76 85 dB Input Voltage Range Differential Voltage VS ≤± 15 V VS VS VS V Common Mode –VS +VS–2 V –VS +VS–2 V –VS +VS–2 V V Common Mode Rejection Ratio –10 V<VCM 80 95 88 105 80 95 dB <+10 V TMIN to TMAX 76 90 85 100 76 88 dB Input Impedance 20 220 220 2M Ω pF LATCH CHARACTERISTICS Latch Hold Time, tH 25 35 25 35 25 35 ns Latch Setup Time, tS 510 5 10 510 ns LOW Input Level, VIL TMIN to TMAX 0.8 0.8 0.8 V HIGH Input Level, VIH TMIN to TMA X 1.6 1.6 1.6 V Latch Input Current 2.3 5 2.3 3.5 2.3 5 µA TMIN to TMAX 7 58 µA SUPPLY CHARACTERISTICS Diff Supply Voltage 3 VLOGIC = 5 V TMIN to TMAX 4.5 33 4.5 33 4.7 33 V Logic Supply TMIN to TMAX 4.0 7 4.0 7 4.2 7 V Quiescent Current +VS +VS = 15 V 8 10 8 10 8 10 mA –VS –VS = –15 V 4 5 4 5 4 5 mA VLOGIC VLOGIC = 5 V 2 3.3 2 3.3 2 3.3 mA Power Dissipation 242 242 242 mW TEMPERATURE RANGE Rated Performance TMIN to TMAX 0 to +70/–40 to +85 0 to +70/–40 to +85 –55 to +125 °C NOTES 1Defined as the average of the input voltages at the low to high and high to low transition points. Refer to Figure 14. 2Defined as half the magnitude between the input voltages at the low to high and high to low transition points. Refer to Figure 14. 3+V S must be no lower than (VLOGIC –0.5 V) in any supply operating conditions, except during power up. All min and max specifications are guaranteed. Specifications shown in boldface are tested on all production units at final test. Specifications subject to change without notice. (Operation @ +25 C and +VS = +15 V, –VS = –15 V, VLOGIC = +5 V unless otherwise noted) |
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