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LM4954 Arkusz danych(PDF) 3 Page - National Semiconductor (TI) |
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LM4954 Arkusz danych(HTML) 3 Page - National Semiconductor (TI) |
3 / 16 page Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (Note 1) 9.5V 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) 2000V ESD Susceptibility (Note 5) 200V Junction Temperature 150˚C Thermal Resistance θ JA (microSMD) (Note 10) 180˚C/W Soldering Information See AN-112 “microSMD Wafers Level Chip Scale Package.” Operating Ratings (Notes 1, 2) Temperature Range T MIN ≤ T A ≤ T MAX −40˚C ≤ T A ≤ 85˚C Supply Voltage 2.7V ≤ V DD ≤ 9V Electrical Characteristics V DD =7V (Notes 1, 2) The following specifications apply for V DD = 7V, AV-BTL = 6dB, and RL =8 Ω unless otherwise specified. Limits apply for T A = 25˚C. Symbol Parameter Conditions LM4954 Units (Limits) Typical Limit (Note 6) (Notes 7, 8) I DD Quiescent Power Supply Current V IN = 0V, RL =8 Ω BTL 3 5 mA (max) I SD Shutdown Current V SD = GND (Note 9) 0.01 1 µA (max) V OS Output Offset Voltage 10 25 mV (max) P o Output Power (Note 11) THD+N = 1% (max); f = 1kHz 2.4 2.2 W (min) THD+N = 10% (max); f = 1kHz 3.0 W THD+N Total Harmonic Distortion + Noise P O = 1Wrms; f = 1kHz A V-BTL = 6dB 0.1 % P O = 1Wrms; f = 1kHz A V-BTL = 26dB 0.4 % PSRR Power Supply Rejection Ratio V Ripple = 200mVsine p-p, C B = 2.2µF, Input terminated with 10 Ω to GND f Ripple = 217Hz, Input Referred 71 54 dB (min) V Ripple = 200mVsine p-p, C B = 2.2µF, Input terminated with 10 Ω to ground f Ripple = 1kHz, Input Referred 71 55 dB (min) V SDIH Shutdown High Input Voltage 1.2 V (min) V SDIL Shutdown Low Input Voltage 0.4 V (max) T WU Wake-up Time C B = 2.2µF 130 ms ∈ OUT Output Noise A-Wtg, A V-BTL = 6dB Input terminated with 10 Ω to GND, Output Referred 20 µV RMS A-Wtg, A V-BTL = 26dB Input terminated with 10 Ω to GND, Output Referred 100 µV RMS R PD Pull Down Resistor on Shutdown 75 k Ω www.national.com 3 |
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