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LM4861 bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI) |
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LM4861 bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI) |
2 / 8 page Absolute Maximum Ratings (Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage 6.0V Storage Temperature −65˚C to +150˚C Input Voltage −0.3V to V DD + 0.3V Power Dissipation (Note 3) Internally limited ESD Susceptibility (Note 4) 3000V ESD Susceptibility (Note 5) 250V Junction Temperature 150˚C Soldering Information Small Outline Package Vapor Phase (60 sec.) Infrared (15 sec.) 215˚C 220˚C See AN-450 “Surface Mounting and their Effects on Product Reliability” for other methods of soldering surface mount devices. Operating Ratings Temperature Range T MIN ≤ TA ≤ TMAX −40˚C ≤ T A ≤ +85˚C Supply Voltage 2.0V ≤ V DD ≤ 5.5V Thermal Resistance θ JC (typ) — M08A 35˚C/W θ JA (typ) — M08A 140˚C/W θ JC (typ) — N08E 37˚C/W θ JA (typ) — N08E 107˚C/W Electrical Characteristics (Note 1) (Note 2) The following specifications apply for V DD = 5V, unless otherwise specified. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4861 Units (Limits) Typical Limit (Note 6) (Note 7) V DD Supply Voltage 2.0 V (min) 5.5 V (max) I DD Quiescent Power Supply Current V IN = 0V, IO = 0A (Note 8) 6.5 10.0 mA (max) I SD Shutdown Current V pin1 =VDD 0.6 10.0 µA (max) V OS Output Offset Voltage V IN = 0V 5.0 50.0 mV (max) P O Output Power THD = 1% (max);f=1kHz 1.1 1.0 W (min) THD+N Total Harmonic Distortion + Noise P O = 1Wrms; 20 Hz ≤ f ≤ 20 kHz 0.72 % PSRR Power Supply Rejection Ratio V DD = 4.9V to 5.1V 65 dB Note 1: All voltages are measured with respect to the ground pin, unless otherwise specified. Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func- tional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guar- antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device performance. Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature TA. The maximum allowable power dissipation is PDMAX =(TJMAX −TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4861, TJMAX = 150˚C, and the typical junction-to-ambient thermal resistance, when board mounted, is 140˚C/W. Note 4: Human body model, 100 pF discharged through a 1.5 k Ω resistor. Note 5: Machine Model, 220 pF–240 pF discharged through all pins. Note 6: Typicals are measured at 25˚C and represent the parametric norm. Note 7: Limits are guaranteed to Nationai’s AOQL (Average Outgoing Quality Level). Note 8: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier. www.national.com 2 |
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