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LM4949TL Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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LM4949TL Datasheet(HTML) 5 Page - National Semiconductor (TI) |
5 / 40 page Electrical Characteristics V DD = 3.0V (Notes 1, 2) The following specifications apply for AV = 0dB, RL(SP) =15µH+8 Ω + 15µH, R L(HP) =32 Ω, f = 1kHz unless otherwise specified. Limits apply for T A = 25˚C. (Continued) Symbol Parameter Conditions LM4949 Units (Limits) Typical Limit (Note 6) (Notes 7, 8) THD+N Total Harmonic Distortion + Noise Differential Mode, f = 1kHz HP Mode, R L =16 Ω,P OUT = 35mW OCL CC 0.015 0.012 % % HP Mode, R L =32 Ω,P OUT = 20mW OCL CC 0.017 0.018 % % LS Mode R L =4 Ω,P OUT = 300mW R L =8 Ω,P OUT = 150mW 0.023 0.02 % % THD+N Total Harmonic Distortion + Noise Single-Ended Input Mode, f = 1kHz HP Mode, R L =16 Ω,P OUT = 35mW OCL CC 0.023 0.017 % % HP Mode, R L =32 Ω,P OUT = 20mW OCL CC 0.019 0.013 % % LS Mode R L =4 Ω,P OUT = 300mW R L =8 Ω,P OUT = 150mW 0.05 0.03 % % e N Noise Differential Input, A-weighted, Input Referred Mono Input OCL CC LS 16.4 15.5 43 µV µV µV All Inputs ON OCL CC LS 29.8 29.2 46.6 µV µV µV Single-Ended Input, A-weighted, Input Referred Stereo Input OCL CC LA 12 11 45 µV µV µV All Inputs ON OCL CC LS 23.7 22.9 52 µV µV µV η Efficiency LS Mode, P OUT = 400mW, RL =8 Ω 85.3 % Xtalk Crosstalk LS Mode, f = 1kHz, R L =8 Ω,V IN =1VP-P Differential Input Mode 84.7 dB OCL HP Mode, f = 1kHz, R L =32 Ω,V IN =1VP-P Differential Input Mode 68 dB T ON Turn on Time CC Mode OCL Mode LS Mode 68 14 29 ms ms ms T OFF Turn off Time From any mode 683 ms www.national.com 5 |
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