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LM4670 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM4670 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 20 page Electrical Characteristics (Notes 1, 2) The following specifications apply for A V = 2V/V (RI = 150k Ω), R L =15µH+8 Ω + 15µH unless otherwise specified. Limits apply for T A = 25˚C. (Continued) Symbol Parameter Conditions LM4670 Units (Limits) Typical Limit (Note 6) (Notes 7, 8) P O Output Power (Note 11) R L =15µH+8 Ω + 15µH, THD = 10% (max) f = 1kHz, 22kHz BW V DD =5V V DD = 3.6V V DD = 2.5V 1.65 850 400 W mW mW R L =15µH+8 Ω + 15µH, THD+N = 1% (max) f = 1kHz, 22kHz BW V DD = 5V, V DD = 3.6V, V DD = 2.5V, 1.35 680 325 600 W mW (min) mW THD+N Total Harmonic Distortion + Noise V DD = 5V, PO =1WRMS, f = 1kHz 0.35 % V DD = 3.6V, PO = 0.5WRMS, f = 1kHz 0.30 % V DD = 3.6V, PO = 0.5WRMS, f = 5kHz 0.30 % V DD = 3.6V, PO = 0.5WRMS, f = 10kHz 0.30 % V DD = 3.6V, V Ripple = 200mVPP Sine, f Ripple = 217Hz Inputs to AC GND, C I = 0.1µ, Input Referred 68 dB PSRR Power Supply Rejection Ratio V DD = 3.6V, V Ripple = 200mVPP Sine, f Ripple = 1kHz Inputs to AC GND, C I = 0.1µF Input Referred 65 dB V DD = 3.6V, V Ripple = 200mVPP Sine, f Ripple = 217Hz f IN = 1kHz, PO = 10mWRMS Input Referred 62 dB SNR Signal to Noise Ratio V DD = 5V, PO =1WRMS 93 dB e OUT Output Noise V DD = 3.6V, f = 20Hz – 20kHz Inputs to AC GND, C I = 0.1µF No Weighting, Input Referred 85 µV RMS V DD = 3.6V, Inputs to AC GND C I = 0.1µF, A Weighted Input Referred 65 µV RMS CMRR Common Mode Rejection Ratio V DD = 3.6V, VRipple =1VPP Sine f Ripple = 217Hz, Input Referred 80 dB T WU Wake-up Time V DD = 3.6V 1.35 ms T SD Shutdown Time V DD = 3.6V 0.01 ms www.national.com 4 |
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