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LM4954TLX Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM4954TLX Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 16 page Electrical Characteristics V DD =5V (Notes 1, 2) The following specifications apply for V DD = 5V, 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 2.7 5 mA (max) I SD Shutdown Current V SD = GND (Note 9) 0.01 1 µA (max) V OS Output Offset Voltage 8 25 mV (max) P o Output Power THD+N = 1% (max); f = 1kHz 1.2 1.1 W (min) THD+N Total Harmonic Distortion + Noise P O = 600mWrms; f = 1kHz 0.1 % 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 80 63 dB (min) V ripple = 200mVsine p-p, C B = 2.2µF, Input terminated with 10 Ω to GND f Ripple = 1kHz, Input Referred 80 dB 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, Input terminated with 10 Ω to GND, Output referred 20 µV RMS R PD Pul Down Resistor on Shutdown 75 k Ω Electrical Characteristics V DD =3V (Notes 1, 2) The following specifications apply for V DD = 3V, 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 2.5 5 mA (max) I SD Shutdown Current V SD = GND (Note 9) 0.01 1 µA (max) V OS Output Offset Voltage 5 25 mV (max) P o Output Power THD+N = 1% (max); f = 1kHz 380 360 mW (min) THD+N Total Harmonic Distortion + Noise P o = 100mWrms; f = 1kHz 0.18 % PSRR Power Supply Rejection Ratio V ripple = 200mVsine p-p, C B = 2.2µF, Input teiminated with 10 Ω to GND, f Ripple = 217Hz, Input referred 80 63 dB (min) V ripple = 200mVsine p-p, C B = 2.2µF, Input teiminated with 10 Ω to GND, f Ripple = 1kHz, Input referred 80 dB 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, Input terminated with 10 Ω to GND, Output referred 20 µV RMS R PD Pull Down Resistor on Shutdown 75 k Ω www.national.com 4 |
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