參數(shù)資料
型號(hào): AK4367
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: OUTPUT MIXER & HP - AMP 24 BIT 2 CH DAC
中文描述: 輸出混音器
文件頁(yè)數(shù): 13/38頁(yè)
文件大?。?/td> 433K
代理商: AK4367
ASAHI KASEI
[AK4367]
MS0247-E-01
2004/11
- 20 -
The cut-off frequency of Headphone-amp output depends on the external resistor and capacitor used. Table 10 shows the
cut off frequency and the output power for various resistor/capacitor combinations. The headphone impedance RL is 16.
Output powers are shown at HVDD = 2.4, 3.0 and 3.3V. The output voltage of headphone is 0.47 x VDD (Vpp)
@
4.8dBFS.
AK4367
HP-AMP
16
Headphone
R
C
Figure 16. External Circuit Example of Headphone
Output Power [mW]
R [
]
C [
F]
fc [Hz]
BOOST=OFF
fc [Hz]
BOOST=MIN
2.4V
3.0V
3.3V
220
45
17
0
100
43
15
24
28
100
70
28
6.8
47
149
78
7
12
14
100
50
19
16
47
106
47
4
6
7
Table 10. Relationship of external circuit, output power and frequency response
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