Audio Control FOUR.1i Specifications download pdf (Page 51)

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MICBIAS_x

MIC3L_xor

MIC3R_x

HPLOUT_x

HPROUT_x

Detection

Block

HPRCOM_x

HPLCOM_x

VCM

MICDET_x

ToDetectionBlock

g m

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

g m

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

Product Folder Link(s): TLV320AIC34

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Audio Control FOUR.1i Specifications Page 51

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