參數(shù)資料
型號(hào): AK4366
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Low Power 24-Bit 2ch DAC with HP-AMP
中文描述: 低功耗24位2通道DAC,具有惠普腺苷
文件頁(yè)數(shù): 20/31頁(yè)
文件大?。?/td> 266K
代理商: AK4366
ASAHI KASEI
AKM CONFIDENTIAL
[AK4366]
REV 0.6
2003/3
- 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 R
L
is 16
.
Output powers are shown at HVDD = 2.4, 3.0 and 3.3V. The output voltage of headphone is 0.58 x VDD (Vpp)@-3dBFS.
AK4367
HP-AMP
16
Headphone
R
C
Figure 15. External Circuit Example of Headphone
Output Power [mW]
3.0V
R [
]
C [
μ
F]
fc [Hz]
BOOST=OFF
45
100
70
149
50
106
fc [Hz]
BOOST=MIN
17
43
28
78
19
47
2.4V
3.3V
220
100
100
47
100
47
0
15
24
29
6.8
7
12
14
16
4
6
7
Table 10. Relationship of external circuit, output power and frequency response
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