參數(shù)資料
型號(hào)： TLV320AIC29IRGZ
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC48
封裝： 7 X 7 MM, GREEN, PLASTIC, QFN-48
文件頁(yè)數(shù)： 22/87頁(yè)
文件大?。?/td> 1049K
代理商： TLV320AIC29IRGZ
TLV320AIC29
SLAS494B DECEMBER 2005 REVISED OCTOBER 2007
www.ti.com
29
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0
200
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f Frequency Hz
Gain
dB
Figure 20. Uncompensated Response For 16-
Load and 50-mF Decoupling Capacitor
20
18
16
14
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8
6
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2
0
200
400
600
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f Frequency Hz
Gain
dB
Figure 21. Frequency Response For 16-
Load and 50-mF Decoupling Capacitor After Gain
Compensation Using Above Set of Coefficients For Audio Effects Filter
Using the capless output configuration eliminates the need for these capacitors and removes the accompanying
high-pass filter entirely. However, this configuration does have one drawback – if the RETURN terminal of the
headphone jack (which is wired to the AIC29 VGND pin) is ever connected to a ground that is shorted to the
AIC29 ground pin, then the VGND amplifier enters short-circuit protection, and the audio output does not
function properly.
The AIC29 incorporates a programmable short-circuit detection/protection function. In case of short circuit, all
analog outputs are disabled and a read only bit D1 of control register 1DH/page 2 is set. In such cases, there
are two ways to return to normal operation:
Hardware or software reset
Power down all the output drivers, which can be achieved by setting bits D12, D11, D 8, D7, and D6 of control
register 05H/page 2 and then wait for driver power down status flags (bits D15D10 of control register
25H/page 2) to become 1. The wait time is typically less than 50 ms after which, output drivers can be
programmed as desired.
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TLV320AIC29IRGZRG4 功能描述:接口—CODEC Stereo Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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