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LM4888 Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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LM4888 Datasheet(HTML) 5 Page - National Semiconductor (TI) |
5 / 23 page Electrical Characteristics (3V) (Notes 3, 7, 13) The following specifications apply for V DD = 3V unless otherwise noted. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4888 Units (Limits) Typical Limit (Note 8) (Note 9) I DD Quiescent Power Supply Current V IN = 0V, IO = 0A (Note 10) , BTL mode 4.5 mA V IN = 0V, IO = 0A (Note 10) , SE mode 2.5 mA I SD Shutdown Current GND applied to the SHUTDOWN pin 0.01 µA V IH Headphone High Input Voltage 2.2 V V IL Headphone Low Input Voltage 1.5 V V IHSD Shutdown, Headphone micro, 3D Control High Input voltage 1 1.4 V (min) V ILSD Shutdown, Headphone micro, 3D Control Low Input voltage 0.8 .4 V (max) T WU Turn On Time 1µF Bypass Cap (C6) 140 ms Electrical Characteristics for Bridged-Mode Operation (3V) (Notes 3, 7, 13) The following specifications apply for V DD = 3V unless otherwise specified. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4888 Units (Limits) Typical Limit (Note 8) (Note 9) V OS Output Offset Voltage V IN =0V 5 mV P O Output Power (Note 11) THD+N = 1%, f = 1kHz (Note 12) LM4888SQ, R L =3 Ω .82 W LM4888SQ, R L =4 Ω .70 W LM4888SQ, R L =8 Ω .43 W THD+N = 10%, f = 1kHz (Note 12) LM4888SQ, R L =3 Ω 1.0 W LM4888SQ, R L =4 Ω .85 W LM4888SQ, R L =8 Ω .53 W THD+N Total Harmonic Distortion+Noise 1kHz LM4888SQ, R L =4 Ω,P O = 280mW 0.1 % LM4888SQ, R L =8 Ω,P O = 200mW 0.05 % PSRR Power Supply Rejection Ratio Input Unterminated, 217Hz V ripple = 200mVp-p C 6= 1µF, RL =8 Ω 90 dB Input Unterminated, 1kHz V ripple = 200mVp-p C 6= 1µF, RL =8 Ω 80 dB Input grounded, 217Hz V ripple = 200mVp-p C 6= 1µF, RL =8 Ω 65 dB Input grounded, 1kHz V ripple = 200mVp-p C 6= 1µF, RL =8 Ω 73 dB X TALK Channel Separation f = 1kHz, C 6 = 1.0µF, 3D Control = Low 85 dB V NO Output Noise Voltage 1kHz, A-weighted 21 µV www.national.com 5 |
Similar Part No. - LM4888_06 |
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Similar Description - LM4888_06 |
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