4 2013-02-13 www.fritzing.org Active noise cancellation chip.<br> Stereo in, stereo out, two microphones.<br> Single alkaline cell power.<br> AS3400 AS3400 QFN-24_ALT2 qfn-24_alt2 sparkfun AS3400 AGND

CPN

CPP

GND

HPL

HPR

HPVDD

IOP1R

IOP2R

LINL

LINR

MICL

MICR

MICS

MODE_CSCL

PAD

QLINR

QMICL

QMICR

QOP1R

QOP2R

VBAT

VNEG

VOL_CSDA

VSS