參數(shù)資料
型號: LA4165M
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO24
封裝: 0.375 INCH, PLASTIC, MFP-24
文件頁數(shù): 2/16頁
文件大?。?/td> 1590K
代理商: LA4165M
LA4165M
No. 2824-10/16
Design Notes
1. Locate the LA4165M as close as possible to the power source, to prevent voltage and power loss due to supply line
resistance.
Change "Inner R1" to "Wiring resistance R1"
Change "Inner R2" to "Wiring resistance R2"
The total wiring resistance RT = R1 + R2 causes the voltage VC at the IC supply pins to drop from the source voltage
VCC to
VC = VCC ICC (R1 + R2)
The power output from the amplifier is equal to
P0
(V
C)
2
2. Keep the supply lines for the amplifier circuits separate from those for the motor drive circuit. This will reduce the
effect of motor noise on the amplifiers and help prevent voltage drop due to motor load from affecting the amplifier
supply voltage.
The recommended supply layout for the LA4165M power supply lines is shown below.
3. Do not connect a resistor to pin 6. The capacitor on this pin is being charged by a small current to determine the voice
sensor attack time. Bypassing this capacitor with a resistor will increase attack time, and possibly prevent the voice
sensor circuit from turning on.
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