參數(shù)資料
型號: TLV320AIC3106IGQER
廠商: Texas Instruments, Inc.
元件分類: Codec
英文描述: LOW-POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY
中文描述: 低功耗立體聲音頻編解碼器的便攜式音頻/電話
文件頁數(shù): 45/102頁
文件大?。?/td> 1259K
代理商: TLV320AIC3106IGQER
www.ti.com
MICBIAS
MICDET
MIC3(L/R)
HPLOUT
HPROUT
To
detection
block
HPRCOM
HPLCOM
1.35
To Detection block
s
s
g
m
s
g
m
s
s
g
Stereo
Cellular
Stereo +
Cellular
m = mic
s = earspeaker
g = ground/midbias
AVDD
MICBIAS
MICDET
MIC3(L/R)
HPLOUT
HPROUT
To Detection block
s
s
g
m
s
g
m
s
s
g
Stereo
Cellular
Stereo +
Cellular
m = mic
s = earspeaker
g = ground/midbias
AVDD
TLV320AIC3106
SLAS509B–DECEMBER 2006–REVISED JUNE 2007
Figure 36. Configuration of Device for Jack Detection Using a Pseudo-Differential (Capless) Headphone
Output Connection
A modified output configuration used when the output drivers are ac-coupled is shown in
Figure 37
. Note that in
this mode, the device cannot accurately determine if 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
An output configuration for the case of the outputs driving fully differential stereo headphones is shown in
Figure 38
. In this mode, there is a requirement on the jack side that either HPLCOM or HPLOUT get shorted to
ground if the plug is removed, which can be implemented using a spring terminal in a jack. For this mode to
function properly, short-circuit detection should be enabled and configured to power down the drivers if a
short-circuit is detected. The registers that control this functionality are in page 0, register 38, bits D2–D1.
45
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