LA4805 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LA4805

3 V Stereo Headphone Power Amplifier

SANYO -> Panasonic 

LA4805V

• As shown in the figure above, PVSS is designed so that PVSS is operated and turned on by inputting to pin 19 the

mixed power outputs through 15 kΩ resistors. When this input is grounded, PVSS is turned off.

• PVSS switching can be changed by an IC internal 30 kΩ resistor and an external (150 kΩ) resistor. When this

function is used, VO is set to 45 mV by passing the mixed signal through a 150 kΩ resistor at PVSS1, and is set to

10 mV by passing the mixed signal through only the 0.22 µF capacitor at PVSS2. (Detailed data is provided

separately.)

• The graph below gives a simplified view of the Vi-VO characteristics and the output VO when RP is varied.

RP

50 kΩ

100 kΩ

150 kΩ

200 kΩ

VO

25 mV

35 mV

46 mV

56 mV

No. 4469-13/17

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