LA4805 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LA4805

3 V Stereo Headphone Power Amplifier

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

Symbol

VDC (V)

18

PVSS S.C

0 to 0.7

LA4805V

Equivalent circuit

Unit (resistance: Ω, capacitance: F)

Pin function

• Smoothing pin used when PVSS is turned on

and off.

19

PVSS SW

0 to 1.1

20

VCC

21

PWR OUT 2

1.1

22

PWR OUT C

1.1

24

PWR OUT 1

1.1

23

PWR GND

25

LOW BOOST SW

0 to 1.0

• PVSS is turned on by the power output signal,

and turned off when grounded.

• The power output pins

• The LA4805V drives headphones with pin 22

used as a common center. (No electrolytic

capacitors are used in the output.)

• The low boost function is turned on when this

pin is floating and turned off when it is

connected to Vref.

26

DET 2

0.5 to 1.3

• ALC operates at 0.65 V or higher.

27

L.P 2

1.1

• Low boost secondary low pass pin

Continued on next page.

No. 4469-8/17

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