Datasheet

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MICBIAS_x
MIC3L_xor
MIC3R_x
HPLOUT_x
HPROUT_x
To
Detection
Block
HPRCOM_x
HPLCOM_x
VCM
MICDET_x
ToDetectionBlock
s
s
g m
s
g m
s
sg
Stereo
Cellular
Stereo+
Cellular
m=mic
s=earspeaker
g=ground/vcm
AVDD
B0243-01
MICBIAS_x
MIC3L_xor
MIC3R_x
HPLOUT_x
HPROUT_x
MICDET_x
ToDetectionBlock
s
s
g m
s
g m
s
sg
Stereo
Cellular
Stereo+
Cellular
m=mic
s=earspeaker
g=ground/vcm
AVDD
B0244-01
TLV320AIC34
SLAS538A – OCTOBER 2007 – REVISED NOVEMBER 2007
Figure 36. Configuration of Device for Jack Detection Using a
Pseudo-Differential (Capless) Headphone Output Connection
Figure 37 shows a modified output configuration that is used when the output drivers are ac-coupled. Note that in
this mode, the device cannot accurately determine whether the inserted headphone is a mono or stereo
headphone.
Figure 37. Configuration of Device for Jack Detection Using an
AC-Coupled Stereo Headphone Output Connection
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