AS3412 datasheet(27/85 Pages) AMSOSRAM

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[v1-00] 2016-Apr-06

AS3412 − Detailed Description

Integrated Bypass Switch: The integrated bypass switch works

even without any battery connected to the device. It helps to

reduce BOM costs and PCB area. Furthermore it facilitates new

industrial designs to ANC solutions.

Figure 30:

Bypass Mode Active

Bypass Mode Inactive: This block diagram shows the general music playback path of AS3412 with the integrated

music bypass switches enabled. The device has no supply any more but music playback is still possible via the

internal bypass switches.

Parameter

VBAT =0V, TA= 25ºC, unless otherwise specified.

Figure 31:

Bypass Switch Parameter

Bypass Switch Parameter: This table shows the detailed electrical characteristics of the integrated bypass

switch.

Symbol

Parameter

Condition

Min

Typ

Max

Unit

RSwitch

Impedance

Power down

1.5

THD

Total Harmonic Distortion

0dBV input signal, 32Ω load

-90

0dBV input signal, 16Ω load

-80

Music Bypass

TRSDA/BYPL

TRSCL/BYPR

AGND

LINL

LINR

3.5mm audio jack

HPR

HPL

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