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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LMV248 датащи(PDF) 2 Page - National Semiconductor (TI) |
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LMV248 датащи(HTML) 2 Page - National Semiconductor (TI) |
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2 / 11 page  Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance Human Body Model (Note 1) 1500V Machine Model 100V Supply Voltage V DD to GND 5.5V Input Voltage Range VfA, VfB, or TC to GND 10V Ramp 0 to V DD V HOME 0toV DD Junction Temperature 150˚C max Operating Temperature −40˚C < T J < 85˚C Storage Temperature Range −65˚C to 150˚C Lead Temperature (solder, 4 sec) 260˚C Operating Ratings (Note 1) Supply Voltage V DD to GND 2.5V to 5V Input Voltage VfA, VfB, or TC to V DD 0V to 5V Ramp 0.2V to 1.8V V HOME 0V to 2V Temperature Range −20˚C ≤ T J ≤ 85˚C DC and AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for V DD = 2.8V, GND = 0V, TJ = 25˚C. Boldface limits apply at temperature range extremes of operating conditions. Symbol Parameter Condition Min (Note 7) Typ (Note 8) Max (Note 7) Units V OUT A, B Positive Output Voltage Swing A, B Sourcing 6mA, Tx_En = High (Note 3) 2.6 2.7 V V OUT A, B Negative Output Voltage Swing A, B Sinking 2mA, Tx_En = High (Note 3,4,5) V HOME = 0V 0.075 0.15 V V OUT A, B Negative Output Voltage Swing A,B Sinking 2mA, TX_EN = Low (Note 3,4,5) 0.06 0.15 V V OS Input Offset Voltage (Note 6) 60 80 100 mV BW Bandwidth (−3dB) Rf = 50k, No External Frequency Compensation >1 MHz SR Output Slew Rate No External Frequency Compensation, V HOME =0V 3 5.5 V/µs I VHOME Current into V HOME Pin (Note 7) <5 µA I BS Current into BS Pin (Note 7) <5 µA I Tx_En Current into En Pin (Note 7) <5 µA I VfA I VfB Forward Bias Current Sources (Note 7) 7 10 13 µA I TC Temperature Compensation Current Source (Note 7) 7 10 13 µA I Vf-TC Match Current Source Matching I TC/IVfA I TC/IVfB (Note 7) ±2% ±12% V LOW BS or Tx_En Logic Low Input Level (Note 7) 0.8 V V HIGH BS or Tx_En Logic High Input Level (Note 7) 1.8 V I SD Supply Current in Shutdown Tx_En = 0V 0.15 <5 µA V RD Vramp Deadband (Note 7) 160 200 mV t d: Tx_En Output Delay: Tx_En to Output 3.5 6 µs I DD Positive Supply Current V OUT =VDD/2 (Note 6) 1.1 1.8 mA V OUT A,B Threshold Select Voltages Tx_En = High, V HOME =2V (Note 3, 4, and 5) 1.60 2 2.40 V www.national.com 2 |
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