特殊应用音频
音频子系统 Audio Subsystems
音频放大器
Boomer音频放大器 Boomer Audio Amplifiers
D类放大器 Class D
耳机放大器 Headphone
高功率Overture放大器 High-Power Overture Amplifiers
麦克风 Microphone
高性能音频 Performance Audio
Boomer音频放大器 Boomer Audio Amplifiers(87)
Base Part Number Power@ 4Ohms, 1% THD Power@ 8Ohms, 1% THD Power@ 4Ohms, 10% THD Power@ 8Ohms, 10% THD THD PSRR SNR CMRR Channels Supply Range THD Conditions PSRR Conditions SNR Conditions CMRR Conditions User Supply Mute/Shutdown Shut down Shutdown Type Mono/Stereo Gain Bandwidth Slew Rate Temperature Min Temperature Max AEC Q-100 Automotive Grade Automotive Selection Guide PowerWise
LM4804   1.8   2.1 0.15         +2.6 - +5 V Vs = 5V, RL = 8 Ohms, Pout= 1.5W       3.3   Yes Low       -40 85      
LM4805   1.2   1.65 0.25         +2.7 - +5.5 V Vs = 5V, RL = 8 Ohms, Pout= 0.5W       3.3   Yes Low       -40 85      
LM4808   -   - 0.05 66 105   2 +2.0 - +5.5 V RL=16,Vo=3.5VPP(at 0 dB) - Vo=3.5V   5             -40 85      
LM4809   0.15   0.18 0.03 70 107   2 +2.0 - +5.5 V Po=50mW @ f=20Hz to 20kHz f=1kHz, ter. input into 50 Ohms Po=.08W   5     Low       -40 85      
LM4810   0.15   0.18 0.03 70 107   2 +2.0 - +5.5 V Po=50mW @ R=32 ohms, f=20Hz to 20kHz f=1kHz, ter. input into 50 Ohms Po=.08W   5     High       -40 85      
LM4811   0.15   0.18 0.03 60 106   2 +2.0 - +5.5 V Po=50mW @ R=32 ohms, f=20Hz to 20kHz f=217 Hz Po=.08W   5     High       -40 85      
LM48510   1.2   1.55 0.07         +2.7 - +5.5 V Pout=500mW,Vdd=3.3v       3.3   Yes Low       -40 85     Yes
LM48555         0.05 80     1 +2.7 - +5.5 V Vout = 14Vpp, f = 1kHz VRIPPLE = 200mVp-p, f = 217Hz,     Undefined   Yes High       -40 85      
LM4880   0.25   0.325 0.02 50 -   2 +2.7 - +5.5 V Po=75mW @ R = 32 ohms f=100Hz     5     High       -40 85      
LM4881   0.26   0.3 0.02 50 100   2 +2.7 - +5.5 V Po=75mW @ R=32 ohms f=120 Hz -   5     High       -40 85      
LM4910   -   - 0.3 65 97   2 +2.2 - +5.5 V Po=30mW @ Vs=5V, R=32 ohms f=217 Hz or 1kHz, input term. With 10 ohms to ground Po=.035W   3.3     Low       -40 85      
LM4911   -   - - 65 110   2 +2.0 - +5.5 V - f=1 kHz Po=.048W   5     Low (Mute)       -40 85      
LM4915   -   - 0.1 65 -   1 +2.2 - +5.5 V Pout=25mW Vripple=200mV     5     Low       -40 85      
LM4916   0.085   0.1 0.2 66 -   2 - RL=16 ohms, SE, Po=5mW f=1kHz, R=16 ohms, SE     1.5             -40 85      
LM4917   -   - 0.02 70 100   2 +1.4 - +3.6 V Po=50mW, f=1kHz, Rl=32 Ohms Vripple=200mW, f=1kHz RL=32 Ohms, Pout=20mW, f=1kHz   3     Independent Low       -40 85      
LM4920         0.03 70 100   2 +1.4 - +3.6 V Po=50mW, f=1kHz, RL=32 Ohms, single channel f=217Hz, Vripple=200mVp-p RL=32, Po=20mW   3     Independent Low       -40 85      
LM4921   -   - 0.03 62 82   2 - f=1kHz, Pout = 12mW f = 217Hz, Vripple=200mVpp f=1kHz   3     High       -40 85      
LM4924   -   - 0.1 66 -   2 +1.4 - +3.6 V Po=10mW Vrpi=200Mvpp,Sine,f=100Hz,OCL     3     Low (Mute)       -40 85      
LM4980         0.02 90     2 +1.5 - +3.3V RL = 32ohm, POUT = 10mW, f = 1kHz VRIPPLE = 200mVP-P sine wave     3     Low       -40 85   Yes Yes
LM4982   Undefined   Undefined   66 100   2 +1.6 - +4.0V   Input referred, f=217Hz BW-20Hz to 22kHz   3     Independent Low       -40 85      
LM4985   Undefined   Undefined 0.08 77     2 +2.2 - +5.5 V Pout = 100mW, f = 1kHz, Rload = 16ohms OCL mode, f = 217Hz, Rload = 16ohms     5     I2C       -40 85   Yes  
LM48100Q Undefined 1.3 Undefined 1.6 0.04 74 104 Undefined 1 -2 Po=850mW, f-1kHz, RL=8Ohms Vripple-200mVp-p Sine, Inputs AC ground,Cin=1uF, Input refferred, Cbias = 2.2uF Pout=400mW Undefined 5 Undefined Yes Low Mono Undefined Undefined -40 105 2 Yes Yes
LM4867 Undefined| 1.9 1.1 Undefined| 2.6 1.5 0.3 67 97   2 +2.0 - +5.5 V Po=1W @ Vs=5V, R=8 Ohms| Po=2W @ Vs=5V, R=4 Ohms Vdd=5V, RL=8 Ohms RL=8 Ohms, Po=1.1W   5     High       -40 85      
LM4923 Undefined 1.1 Undefined 1.5 0.02 85 Undefined   Undefined +2.4 - +5.5 V Po = 0.4 Wrms; f = 1kHz 217Hz, Vripple = 200mV sine p-p Undefined   5 Mute   High Mono Undefined Undefined -40 85      
LM4941 Undefined 1.25 Undefined 1.54 0.04 95 108 70 1 +2.4 - +5.5 V Pout = 700mW, f = 1kHz Vripple = 200mVpp, f = 217Hz Pout = 1W, f=1kHz   5             -40 85   Yes Yes
LM4995 Undefined 1.3 Undefined Undefined 0.1 73 Undefined   1 +2.4 - +5.5 V Po = 500mWRMS; f = 1kHz Vripple = 200mV sine p-p, Input Teminated to Ground Undefined   5     Low       -40 85   Yes Yes
LM4940 3.1 - 6 - - 56 -   2 -6   Vripple 200mV, 12V, 4ohm     10   Yes Low Stereo     -40 85      
LM4950 3.1 - - 3.1 0.14 70 -   2 -6.4 Po=2.5Wrms,Av=10,f-1kHz,RL=4 ohm SE Vripple=200mVpp,f=1kHz,RL=8 ohm BTL     12   Yes Low Stereo - - -40 85      
LM4952 3.1 - 3.8 - 0.08 89 -   2 -6.4 2Wrms, 1kHz, 12V, 4ohm Vr 200mV, 1kHz, 12V, 4ohm     12   Yes Low Stereo     -40 85      
LM4670 2.3 1.35 3 1.65 0.3 68 93   1 +2.4 - +5.5 V 3.6V 0.5Wrms 1KHz 3.6V 1KHz Vripple 200mVpp 5V 1Wrms   5   Yes Low Mono     -40 85      
LM4671 2.21 1.19 2.5 1.7 0.04 65 93   1 +2.4 - +5.5 V 3.6v 0.1Wrms 1Lhz 3.6v 1khz Vr=200mVpp 5V 1Wrms   5   Yes Low Mono     -40 85      
LM4675 2.2 1.3 2.7 1.6 0.02 82 97   1 +1.4 - +3.6 V Vdd=3.6V, Po=0.1W, f=1kHz 200mVpp 217Hz, 3.6V, Inputs to AC GND, C1=2uF Vdd=5V, Po=1Wrms       Yes High (Audio); Low (LDO) Mono     -40 85   Yes Yes
LM4863 2.2 1.1 2.7 1.5 0.3 67 98   2 +2.0 - +5.5 V Po=2W @ Vs=5V, R=4 ohms, 20Hz-20kHz| Po=1W @ Vs=5V, R=8 ohms, 20Hz-20kHz - Pout=1.1W   5     High       -40 85      
LM4866 2.2 1.1 2.7 1.5 0.3 67 -   2 +2.7 - +5.5 V f=20Hz-20KHz, AVD=2 Vdd=5V, Vripple=200mWrms, RL=8 Ohms, CB=1.0microF     5     High       -40 85      
LM4871 2.2 1.2 2.5 1.5 0.13| 0.25 60 98   1 +2.0 - +5.5 V Po=1.6W @ Vs=5V, R=4 ohms| Po=1W @ Vs=5V, R=8 ohms - -   5     High       -40 85      
LM4673 2.15 1.24 2.65 1.7 0.02 78 97   1 +2.4 - +5.5 V VDD=3.6V, Pout=100mA, f=1kHz VDD=3.6V, 5V, f(ripple)=1kHz, V(ripple)=200mVpp VDD=5V, Pout=1Wrms   5   Yes Low Mono     -40 85   Yes Yes
LM4663 2.1 - - - 0.2 44 -   2 +4.5 - +5.5 V Po=1W 200mV, Vin=0 -   5   Yes High Stereo     -40 85      
LM4666 2.1 1.2 2.7 1.5 0.65 65 83   2 +2.7 - +5.5 V Po=100mWrms, f=1kHz, 22kHz BW, Both channels in phase 100mVrms, fripple=217Hz, Po=10mW, 1kHz Po=1Wrms;A-Weighted Filter   5   Yes Low Stereo     -40 85      
LM4873 2.1| 1.9 1.1 2.6 1.5 0.3 67 97   2 +2.0 - +5.5 V Po=1W@5V, 8 ohms, 20-20kHz| Po=2W@5V, 4 ohms, 20-20kHz - -   5     High       -40 85 0    
LM4883 2.1 1.3 - - 0.05 73 -   4 +2.4 - +5.5 V 8 ohm 200mW input gnd, 1KHz Vr 200mV, 8ohm     5     High       -40 85      
LM4888 2.1 1.3 2.5 1.7 0.06 85 Undefined   2 +2.7 - +5.5 V IkHz, Avd=2;Rl=8ohm; Ro=.4W 217Hz; Vrip = 200mVp-p; Rl=8ohm Undefined   5             -65 150      
LM4991 2.1 1.1 2.5 1.5 0.2 64 -   1 +2.2 - +5.5 V Po=0.5W, f=1kHz Vripple=0.2V sine p-p, input terminated with 10ohms, f=1kHz     5     High       -40 85      
LM4835 2 1.1 2.5 1.5 0.3 74 93   2 +2.7 - +5.5 V Po=1W @Vs=5V, 20Hz-20kHz 120 Hz Pout=1.1W   5     High       -40 85 0    
LM4836 2 1.1 2.5 1.5 0.3 74 93   2 +2.7 - +5.5 V Po=1W @Vs=5V, 20Hz-20kHz 120 Hz Pout=1.1W   5     High       -40 85      
LM4838 2 1.1 - 1.5 0.3 74 93   2 +2.7 - +5.5 V Po=1W @Vs=5V, 20Hz-20kHz 120 Hz RL=8 Ohms Pout=1.1W   5     High       -40 85      
LM4839 2 1.1 - 1.5 0.3 74 93   2 +2.7 - +5.5 V Po=1W @Vs=5V, 20Hz-20kHz 120 Hz RL=8 Ohms Pout=1.1W   5     High       -40 85      
LM4840 2 1 - 1.5 0.3 74 93   2 +2.7 - +5.5 V p=1w,20-20khz,rl=8avd=2 cb=1uf,f=120hz,vripple=200mvrms,rl=8 vdd=5v,pot=1.1w,rl=8, A wegihted   5     High       -40 85 0    
LM4849 2 1.1 - 1.5 0.3 74 93   2 +2.7 - +5.5 V Po=1W @Vs=5V 20Hz-20kHz 120Hz RL=8ohm Po=1.1W   5     High       -40 85      
LM4869 1.9 1.2 1.9 1.5 0.3 62 97   2 +2.7 - +5.5 V         5     High       -40 85      
LM4884 1.9 1.2 2.3 1.5 0.3 62 97   2 - RL=8 Ohms, Po=1W Vripple=200mVpp, Cbypass=0.46uF f=1kHz, Cbypass=0.47uF, Po=1.1W   5     High       -40 85      
LM4876 1.8 1.2 2.3 1.5 0.25 65 98   1 +2.0 - +5.5 V Po=1 W@ Vs=5V, R=8ohms, 20Hz-20kHz - -   2.6     Low       -40 85      
LM4928 1.8 1.2 2.2 1.5 0.04 90 105   2 +2.4 - +5.5 V Pout=1W, f=1kHz Vripple=200mV p-p, f=217Hz, f=1kHz Pout=1W, f=1kHz   5     Low       -40 85      
LM4853 1.7 1.1 1.9 1.4 - 63 90   2 +2.4 - +5.5 V         5     High       -40 85      
LM4860 1.6 1.15 - 1.3 0.72 65 98   1 +2.0 - +5.5 V Po=1W@Vs=5V, R=8 ohms - Pout=1W   5     High       -20 85      
LM4861 1.55 1.15 1.9 1.5 0.72 65 98   1 +2.0 - +5.5 V Po=1W @ Vs=5V, R=8 ohms - Pout=1W   5     High       -40 85      
LM4850 1.5| 1.7 1.1 2.4| 1.9 1.45| 1.4 - - 100   2| 1 +2.4 - +5.5 V -| Undefined -| Undefined -| Undefined   5             -40 85      
LM4895 1.4 1 1.9 1.2 0.1 80 98 50 1 +2.2 - +5.5 V Po=.4Wrms@Vs=5V, R=8ohms - -   5     High/Low Selectable       -40 85      
LM4898 1.4 1 2 1.3 0.05 90 - 50 1 +2.4 - +5.5 V Po=0.4Wrms, f=1kHz Vripple=0.2V sine p-p, f=1kHz     5     High/Low Selectable       -40 85      
LM4899 1.4 1 2 1.3 0.05 90 -   1 +2.4 - +5.5 V Po=0.4Wrms, f=1kHz Vripple = 0.2V sine p-p, f = 1kHz     5     High/Low Selectable       -40 85      
LM4665 1 0.6 2.4 1.5 0.5 52 -   1 +2.7 - +5.5 V Po=0.1W @ Vs=3V f=217Hz, Vripple=100Vrms     5   Yes High/Low Selectable Mono     -40 85      
LM48410 0.94 0.58 1.14 0.74 0.025 70 88   2 +2.4 - +5.5 V Po=500mW, f=1kHz, RL = 8ohms Vripple=200mVpp, fripple=217Hz, Inputs AC GND Vdd=5V, Po = 1W, FF mode   3.6   Yes Independent Low Stereo     -40 85      
LM4864 0.675 0.725 - 0.85 0.7 50 98   1 +2.7 - +5.5 V Po=0.3W @ Vs=5V, R=8 ohms - -   5     High       -40 85      
LM4877 0.6 0.32 0.75 0.43 0.1 65 98   1 +2.0 - +5.5 V Po=.25 W @Vs=5V, R=8ohms, 20Hz-20kHz - -   2.6     Low       -40 85      
LM4878 0.55 0.32 0.75 0.43 0.1 65 98   1 +2.0 - +5.5 V Po=.25 W @Vs=5V, R=8ohms, 20Hz-20kHz - -   2.6     Low       -40 85      
LM4667 - 1.09 - 1.3 0.8 55 83   1 +2.7 - +5.5 V Pout=100mW, fin=1kHz Vripple=100mV,fripple=217Hz Po-1Wrms, A-Weighted Filter   5   Yes Low Mono     -40 85      
LM4668 - 6 - 10 0.2 85 90   1 +9 - +14V   100Hz     12   Yes Low   - - -40 85      
LM4680 - 6 - 10 0.02 104 116   1 +9 - +14V Pout=1watt f=1kHZ,Vrip=200mV,cbypass=10uF,input reffered a weighted filter Vin=0V,input reffered   12   Yes Low   100 8 -40 85      
LM4818 - 0.24 - 0.3 1 - -   1 +2.0 - +5.5 V f=1kHz, Avd=2, Po = 0.27Wrms       5     High       -40 85      
LM4819 - 0.25 - 0.3 1 - -   1 +2.0 - +5.5 V f=1kHz, Avd=2, Po = 0.27Wrms       5     High       -40 85      
LM4832 - 0.25 - 0.35 0.15 89 105   2 +4.5 - +5.5 V Po=0.20W @ Vs=5V 100 Hz Vo=3.5V   5     High       -40 85      
LM4854 -| 1.7 1.1 -| 2.1 1.3 0.08 63 90   2 +2.4 - +5.5 V Pout=.05W @ Vs=5V, R= 8 Ohms 1 kHz Pout=900mW, RL=8 Ohms   5     Low       -40 85      
LM4862 - 0.68 - 0.83 0.55 50 98   1 +2.7 - +5.5 V Po=0.5W @ Vs=5V, R=8 ohms - Pout=1W   5     High       -40 85      
LM4865 - 0.75 - 1 0.6 50 115   1 +2.7 - +5.5 V Po=300mW @ Vs=5V, R=8 ohms - -   5     High       -40 85      
LM4868 -| 2.1| 1.9 1.1 -| 2.6 1.5| 1.4 0.3 67 97   2 +2.0 - +5.5 V Po=1W @ Vs=5V, R=8 Ohms| Po=2W @ Vs=5V, R=4 Ohms Vdd=5V, RL=8 Ohms RL=8 Ohms, Po=1.1W   5     High       -40 85      
LM4872 - 1.2 0.75 1.5 0.1 65 98   1 +2.0 - +5.5 V Po=.25W@Vs=-5V, R=8ohms - -   5     High       -40 85      
LM4875 - 0.75 - 1 0.6 50 -   1 +2.7 - +5.5 V Pout=30mW, f=20Hz-20KHz, RL=8Ohms Vripple=200mWrms, RL=8 Ohms, CB=1uF, F=1KHz     5     Low       -40 85      
LM4879 - 1.1 - 1.2 0.1 68 -   1 - f=1kHz, Po = 0.5Wrms Vripple = 0.2Vpp sine, CB=1.0uF.  Input terminated with 10ohms to ground.  F = 1kHz     5     Low       -40 85      
LM4889 - 1 - 1.2 0.1 62 105   1 -         5     Low       -40 85      
LM4890 - 1 - 1.2 0.1 62 105   1 +2.0 - +5.5 V Po=.4Wrms@Vs=5 f = 1kHz -   5     Low       -40 85      
LM4891 - 0.9 - 1.1 0.1 66 -   1 +2.2 - +5.5 V Po = 0.4Vrms, f=1kHz Vripple = 0.2V sine p-p, f = 1kHz     5     High       -40 85      
LM4892 - 1 - 1.2 0.1 66 105   1 +2.0 - +5.5 V Po=.4Wrms@Vs=5 f=1kHz, BW=10Hz-80Hz f = 1kHz -   5     Low       -40 85      
LM4894 - 1 - 1.2 0.1 87 98 50 1 +2.0 - +5.5 V Po=.4Wrms@Vs=5, R=8ohms - -   5     High/Low Selectable       -40 85      
LM4900 - - - - 0.4 67 100   1 +2.0 - +5.5 V Po=.4Wrms@Vs=5V, R=8ohms, @20Hz-20kHz 1KHz, 200mV -   5     High       -40 85      
LM4901 - 1 - 1.3 0.2 64 -   1 +2.0 - +5.5 V Po = 0.5Wrms, f=1kHz Vripple = 0.2V sine p-p, Input terminated with 10ohms, f=1kHz     5     High/Low Selectable       -40 85      
LM4902 - 0.675 - 1 0.4 67 -   1 +2.0 - +5.5 V Po = 0.4Wrms, Avd=2, RL=8ohms Vripple=0.2Vrms sine p-p, f=1kHz     5     Low       -40 85      
LM4992 - 1.07 - - 0.15 55 -   2 +2.2 - +5.5 V Vdd 5V, Po 0.5Wrms, f 1kHz Vr 200mV, Vdd 5V, terminated with 10ohm     5     Low       -40 85      
LM4682   6   8 0.2 94     2 +9 - +14V Po=6W/channel,fin=1kHz Vrip=200mVpp, 1kHz,Vin=0,input referred,f=60Hz     12   Yes Low       -40 85      
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