AS3435 datasheet(89/102 Pages) AMSCO

89 / 102 page

ams Datasheet, Confidential: 2014-Jun-13 [v1-30]

AS3415/AS3435 – 89

P C B La y o ut Recommendation

Figure 109:

Line Input and Headphone Layout Recommendation

AS3415/35 Line Input and HPH Layout recommendation: This diagram shows the layout recommendation of

the AS3415/35 line input amplifier and the headphone amplifier.

Headphone Layout:

Use wide signal lines for line input ground, headphone ground and signal lines as well as for the music bypass

lines. A weak signal line on any of these connections can influence channel separation of the device.

GND

HPL

HPR

BAT

GND

CHP

HPR

HPL

BPL

BPR

QLINL

LINL

TRSDA

TRSCL

LINR

QLINR

TOP LAYER

SILK SCREEN TOP LAYER

BOARD OUTLINE

BOTTOM LAYER

COMMENT LAYER

Line input ground plane for all line

input related components.

Dedicated headphone

ground connection from

headphone terminal back to

battery ground terminal.

Dedicated lien input ground

connection from line input

terminal back to

battery ground terminal.

AS3435

AS3435 Datasheet(PDF) 89 Page - ams AG

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