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LM4859 bảng dữ liệu(PDF) 8 Page - National Semiconductor (TI) |
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LM4859 bảng dữ liệu(HTML) 8 Page - National Semiconductor (TI) |
8 / 29 page Audio Amplifier Electrical Characteristics V DD = 5.0V (Notes 1, 2) (Continued) The following specifications apply for V DD = 5.0V, unless otherwise specified. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4859 Units (Limits) Typical (Note 6) Limits (Notes 7, 8) Xtalk Crosstalk LD5=RD5=0 Loudspeaker; P O= 400mW; f = 1kHz 85 dB Headphone; P O= 15mW; f = 1kHz 85 dB T WU Wake-up Time CD5=0;C B = 2.2µF 120 ms CD5=1;C B = 2.2µF 230 ms Audio Amplifier Electrical Characteristics V DD = 3.0V (Notes 1, 2) The following specifications apply for V DD = 3.0V, unless otherwise specified. Limits apply for TA = 25˚C. Symbol Parameter Conditions LM4859 Units (Limits) Typical (Note 6) Limits (Notes 7, 8) I DD Supply Current V IN = 0V, No load; LD5 = RD5 = 0 (Note 9) Mode 4 4.5 7.5 mA (max) Mode 2, 3, 7, 8, 12, 13 11.2 19 mA (max) I SD Shutdown Current Mode 0 (Note 9) 0.06 2.5 µA (max) P O Output Power LM4859SP Speaker; THD+N = 1%; f = 1kHz; 4 Ω BTL 530 mW P O Output Power Speaker; THD+N = 1%; f = 1kHz; 8 Ω BTL 400 320 mW (min) Headphone; THD+N = 1%; f = 1kHz; 32 Ω SE 25 20 mW (min) THD+N Total Harmonic Distortion Plus Noise LD5=RD5=0 Speaker; P O= 200mW; f = 1kHz; 8 Ω BTL 0.05 % Headphone; P O= 10mW; f = 1kHz; 32 Ω SE 0.04 % V OS Offset Voltage Speaker; LD5 = RD5 = 0 5 40 mV (max) N OUT Output Noise A-weighted; 0dB gain; (Note 11) LD5 = RD5 = 0; All Inputs Terminated Speaker; Mode 2, 3, 7, 8 27 µV Speaker; Mode 12, 13 38 µV Headphone; Mode 3, 4, 8, 9 10 µV Headphone; Mode 13, 14 14 µV PSRR Power Supply Rejection Ratio f = 217Hz, V rip = 200mVpp;CB = 2.2µF; 0dB gain; (Note 11) LD5 = RD5 = 0; All Audio Inputs Terminated Speaker; Mode 2, 3, 7, 8 70 dB Speaker; Mode 12, 13, 65 55 dB (min) Headphone; Mode 3, 4, 8, 9 87 dB Headphone; Mode 13, 14 75 62 dB (min) www.national.com 8 |
Số phần tương tự - LM4859 |
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Mô tả tương tự - LM4859 |
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