Datasheet

HPLOUT
HPROUT
ToDetectionBlock
MICPreAmp
s
s
g m
s
g m
s
sg
Stereo
Cellular
Stereo+
Cellular
m=mic
s=earspeaker
g=ground/vcm
AVDD
B0244-02
MICBIAS
MIC2R
MIC2L/LINE2L/MICDET
Pwr
Amp
Pwr
Amp
MICBIAS
MIC2R
HPLOUT
HPROUT
To
Detection
Block
HPRCOM
HPLCOM
1.35V
MIC2L/LINE2L/MICDET
ToDetectionBlock
MICPreAmp
s
s
g m
s
g m
s
sg
Stereo
Cellular
Stereo+
Cellular
m=mic
s=earspeaker
g=ground/vcm
AVDD
B0243-02
Pwr
Amp
Pwr
Amp
Pwr
Amp
TLV320AIC3104
SLAS510C –FEBRUARY 2007–REVISED DECEMBER 2010 www.ti.com
Figure 33. Configuration of Device for Jack Detection Using a Pseudo-Differential (capacitor free)
Headphone Output Connection
A modified output configuration used when the output drivers are ac-coupled is shown in Figure 34. Note that in
this mode, the device cannot accurately determine if the inserted headphone is a mono or stereo headphone.
Figure 34. Configuration of Device for Jack Detection Using an AC-Coupled Stereo Headphone Output
Connection
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