參數(shù)資料
型號: TLV320AIC26IRHBG4
廠商: Texas Instruments, Inc.
元件分類: Codec
英文描述: LOW POWER STEREO AUDIO CODEC WITH HEADPHONE/SPEAKER AMPLIFIER AND 12-BIT BATTERY / TEMPERATURE / AUXILIARY ADC
中文描述: 低功耗立體聲音頻編解碼器耳機/揚聲器放大器和12位電池/溫度/輔助ADC
文件頁數(shù): 18/74頁
文件大?。?/td> 896K
代理商: TLV320AIC26IRHBG4
TLV320AIC26
SLAS412 DECEMBER 2003
www.ti.com
25
10
12
16
20
0
100 200 300 400 500 600
Gain
dB
6
4
f Frequency Hz
0
700 800 900 1 k
18
14
8
2
Figure 19. Uncompensated Response For 16-
W Load and 50-mF Decoupling Capacitor
10
15
20
0
100 200 300 400 500 600
Gain
dB
5
0
f Frequency Hz
700 800 900 1 k
Figure 20. Frequency Response For 16-
W Load and 50-mF Decoupling Capacitor After Gain
Compensation Using a Suggested 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 ’AIC26 VGND pin) is ever connected to a ground, that is shorted to the ’AIC26 ground pin, then the VGND
amplifier enters short-circuit protection, and the audio output does not function properly.
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