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LM4681SQ データシート(PDF) 4 Page - National Semiconductor (TI) |
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LM4681SQ データシート(HTML) 4 Page - National Semiconductor (TI) |
4 / 19 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 16V Input Voltage −0.3V to V DD +0.3V Power Dissipation (Note 3) Internally Limited ESD Susceptibility(Note 4) 2000V ESD Susceptibility (Note 5) 200V Junction Temperature (Note 6) 150˚C Storage Temperature −65˚C ≤ T A ≤ 150˚C Soldering Information LLP Package Vapor Phase (60 sec.) 215˚C Infrared (15 sec.) 220˚C Operating Ratings (Notes 1, 2) Temperature Range T MIN ≤ T A ≤ T MAX −40˚C ≤ T A ≤ +85˚C Supply Voltage 9V ≤ V DD ≤ 15.5V Thermal Resistance (LLP Package) θ JA 28˚C/W θ JC 20˚C/W Electrical Characteristics (Notes 1, 2, 7) The following specifications apply for V DD = 12V, I 2CV DD = 5V, RL =8 Ω, LC filter values as shown in Figure 1, unless other- wise specified. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4681 Units Typical Limit V DD Operating Supply Voltage Range 12 15.5 9 V (max) V (min) I S Quiescent Power Supply Current, Class D Mode V IN =0VRMS,VHPSEL =0V 50 70 mA (max) I S Quiescent Power Supply Current, Headphone Mode V IN =0VRMS,VHPSEL =VDD 22 30 mA (max) I SD Quiescent Power Supply Current, Shutdown Mode V SD = 5V 0.1 mA R IN Input Resistance in Both Modes 8 k Ω I 2CV DD I 2C / SPI Logic Supply Voltage 5.5 3 V (max) V (min) V IH Minimum High Level Input Voltage I 2C/SPI Interface pins 0.7 x I 2CV DD V (min) V IL Maximum Low Level Input Voltage 0.3 x I 2CV DD V (max) V HPIH HP Sense High Input Voltage V DD – 1 V (min) V HPIL HP Sense Low Input Voltage V DD/2 V (max) Power Amplifiers P O Maximum Output Power, Per Channel THD+N ≤ 1%, f IN = 1kHz 6.0 5.3 W (min) THD+N ≤ 10%, V DD = 14V, f IN = 1kHz 10 W P D1 Power Dissipation P O = 6W/Chan, fIN = 1kHz 1.17 W E FF1 Efficiency P O = 6W/Chan, fIN = 1kHz 85 % THD+N Harmonic Distortion + Noise P O = 1W/Chan, fIN = 1kHz 0.11 % V NOISE Output Noise Voltage R SOURCE =50 Ω,C IN = 1µF, BW = 8Hz to 22kHz, A-weighted, input referred 10 µV www.national.com 4 |
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