參數(shù)資料
型號: TLV320DAC26IRHBRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: DAC
英文描述: SERIAL INPUT LOADING, DAC WITH PROGRAMMABLE PLL, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù): 13/52頁
文件大小: 872K
代理商: TLV320DAC26IRHBRG4
TLV320DAC26
SLAS428 AUGUST 2004
www.ti.com
20
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 13. 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 14. 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 ’DAC26 VGND pin) is ever connected to a ground, that is shorted to the ’DAC26 ground pin, then the VGND
amplifier enters short-circuit protection, and the audio output does not function properly.
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