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LM4842 Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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LM4842 Datasheet(HTML) 5 Page - National Semiconductor (TI) |
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5 / 31 page  Electrical Characteristics for Single-Ended Mode Operation (Notes 7, 10) (Continued) The following specifications apply for V DD = 5V and TA = 25˚C unless otherwise noted. Symbol Parameter Conditions LM4842 Units (Limits) Typical (Note 14) Limit (Note 15) THD+N Total Harmonic Distortion+Noise V OUT =1VRMS, f=1kHz, RL = 10k Ω, A VD =1 0.065 % PSRR Power Supply Rejection Ratio C B = 1.0 µF, f =120 Hz, V RIPPLE = 200 mVrms 58 dB SNR Signal to Noise Ratio P OUT =75 mW, R L =32 Ω, A-Wtd Filter 102 dB X talk Channel Separation f=1kHz, C B = 1.0 µF 65 dB Electrical Characteristics for Bridged Mode Operation (Notes 7, 10) The following specifications apply for V DD = 5V and TA = 25˚C unless otherwise noted. Symbol Parameter Conditions LM4842 Units (Limits) Typical (Note 14) Limit (Note 15) V OS Output Offset Voltage V IN = 0V, No Load 5 ±50 mV (max) P O Output Power THD+N= 1.0%; f=1kHz; R L =3 Ω (Note 8) 2.2 W THD+N= 1.0%; f=1kHz; R L =4 Ω (Note 9) 2W THD = 1.0% (max);f = 1 kHz; R L =8 Ω 1.1 1.0 W (min) THD+N = 10%;f = 1 kHz; R L =8 Ω 1.5 W THD+N Total Harmonic Distortion+Noise P O = 1W, 20 Hz< f < 20 kHz, R L =8 Ω,A VD =2 0.3 % P O = 340 mW, RL =32 Ω 1.0 % PSRR Power Supply Rejection Ratio C B = 1.0 µF, f = 120 Hz, V RIPPLE = 200 mVrms; RL =8 Ω 74 dB SNR Signal to Noise Ratio V DD = 5V, POUT = 1.1W, RL =8 Ω, A-Wtd Filter 93 dB X talk Channel Separation f=1kHz, C B = 1.0 µF 70 dB www.national.com 5 |
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