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LM348J 数据表(PDF) 2 Page - National Semiconductor (TI) |
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LM348J 数据表(HTML) 2 Page - National Semiconductor (TI) |
2 / 15 page Absolute Maximum Ratings (Note 4) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. LM148 LM248 LM348 Supply Voltage ±22V ±18V ±18V Differential Input Voltage ±44V ±36V ±36V Output Short Circuit Duration (Note 1) Continuous Continuous Continuous Power Dissipation (P d at 25˚C) and Thermal Resistance ( θ jA), (Note 2) Molded DIP (N) P d — — 750 mW θ jA — — 100˚C/W Cavity DIP (J) P d 1100 mW 800 mW 700 mW θ JA 110˚C/W 110˚C/W 110˚C/W Maximum Junction Temperature (T jMAX) 150˚C 110˚C 100˚C Operating Temperature Range −55˚C ≤ T A ≤ +125˚C −25˚C ≤ T A ≤ +85˚C 0˚C ≤ T A ≤ +70˚C Storage Temperature Range −65˚C to +150˚C −65˚C to +150˚C −65˚C to +150˚C Lead Temperature (Soldering, 10 sec.) Ceramic 300˚C 300˚C 300˚C Lead Temperature (Soldering, 10 sec.) Plastic 260˚C Soldering Information Dual-In-Line Package Soldering (10 seconds) 260˚C 260˚C 260˚C Small Outline Package Vapor Phase (60 seconds) 215˚C 215˚C 215˚C Infrared (15 seconds) 220˚C 220˚C 220˚C See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other methods of soldering surface mount devices. ESD tolerance (Note 5) 500V 500V 500V Electrical Characteristics (Note 3) Parameter Conditions LM148 LM248 LM348 Units Min Typ Max Min Typ Max Min Typ Max Input Offset Voltage T A = 25˚C, RS ≤ 10 kΩ 1.0 5.0 1.0 6.0 1.0 6.0 mV Input Offset Current T A = 25˚C 4 25 4 50 4 50 nA Input Bias Current T A = 25˚C 30 100 30 200 30 200 nA Input Resistance T A = 25˚C 0.8 2.5 0.8 2.5 0.8 2.5 M Ω Supply Current All Amplifiers T A = 25˚C, VS = ±15V 2.4 3.6 2.4 4.5 2.4 4.5 mA Large Signal Voltage Gain T A = 25˚C, VS = ±15V 50 160 25 160 25 160 V/mV V OUT = ±10V, RL ≥ 2kΩ Amplifier to Amplifier T A = 25˚C,f=1Hzto20kHz Coupling (Input Referred) See Crosstalk −120 −120 −120 dB Test Circuit Small Signal Bandwidth T A = 25˚C, LM148 Series 1.0 1.0 1.0 MHz Phase Margin T A = 25˚C, LM148 Series (A V =1) 60 60 60 degrees Slew Rate T A = 25˚C, LM148 Series (A V =1) 0.5 0.5 0.5 V/µs Output Short Circuit Current T A = 25˚C 25 25 25 mA Input Offset Voltage R S ≤ 10 kΩ 6.0 7.5 7.5 mV Input Offset Current 75 125 100 nA www.national.com 2 |
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