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lm386???????? ?????????????·???????????????(2)

???:2017-12-16 20:20???:??????

??1. LM386????????

 

Parameter ???? ???????? ??С ???? ??? ??λ
Operating Supply Voltage (VS) ?????????? ?? - -
LM386N-1,-3,LM386M-1,LM386MM-1 4  - 12 V
LM386N-4 5  - 18 V
Quiescent Current (IQ) ??????? VS = 6V, VIN =0   4 8 mA
Output Power (POUT) ??????? -

-

LM386N-1,LM386M-1,LM386MM-1 VS = 6V, RL =8W, THD = 10% 250 325

-

mW
LM386N-3 VS = 9V, RL =8W, THD = 10% 500 700 - mW
LM386N-4 VS=16V, RL =32W, THD = 10% 700 1000 - mW
Voltage Gain (AV) ??????? VS = 6V, f = 1 kHz   26 - dB
10 μF from Pin 1 to 8   46 - dB
Bandwidth (BW) ???? VS = 6V, Pins 1 and 8 Open   300 - kHz
Total Harmonic Distortion (THD)??г??? ?? VS = 6V, RL =8W,POUT = 125 mW f = 1 kHz, Pins 1 and 8 Open - 0.2 - %
Power Supply Rejection Ratio (PSRR) ???????? VS=6V, f=1kHz, CBYPASS =10 μF Pins 1 and 8 Open,Referred to Output - 50 - dB
Input Resistance (RIN) ??????? - - 50 -
Input Bias Current (IBIAS) ?????????? VS = 6V, Pins 2 and 3 Open - 250 - nA

 

?3??????·?????20?????Σ???pin 1??pin 8??????10mF???????????????200?????4????????10kW?????????????????????????????С????????Vin???????????????????

 

lm386???????? ?????????????·??????????????? - ??????

lm386???????? ?????????????·??????????????? - ??????

           ?3 ?????·???????                       ?4            

 

lm386???????? ?????????????·??????????????? - ??????

                     ?5 ??????????????????

 

lm386???????? ?????????????·??????????????? - ??????

               ?6 LM386N-1 LM386N-3 LM386N-4 ?????

lm386???????? ?????????????·??????????????? - ??????

                ?7 LM386MM-1 ?????

lm386???????? ?????????????·????????

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