LA4820M Datasheet, PDF(10/20 Page) Sanyo Semicon Device – Monaural Speaker/Stereo Headphone Power Amplifier

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LA4820M Datasheet, PDF (10/20 Pages) Sanyo Semicon Device – Monaural Speaker/Stereo Headphone Power Amplifier

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Pin No.

Pin Name

19 OUTâ

21 OUT+

Pin Voltage

2.3

LA4820M

Internal equivalent circuit

Remarks

c MONO Power output pin.

c BTL operation provides

phase inversion and

amplitude.

20 LEVEL DET IN

2.9

c MONO Power output level

detection input pin.

c Output limiter level can be

varied by external resistance.

22 VCC2

23 BASE

5.5

Inside IC

5.4

c Ripple filter output pin.

c Power supply pin when no

ripple filter is used.

c Amplifier block VCC pin.

c Tr base grounding pin for

ripple filter.

c Left open when no ripple filter

is needed.

24 VCC1

6.0

c Ripple filter VCC pin.

c Left open when no ripple filter

is needed.

No.5205-10/20

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