参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 111/158页
文件大小: 0K
描述: IC PMU POWER/AUDIO 124-CTBGA
标准包装: 2,500
应用: 便携式设备
电流 - 电源: 7mA
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 124-TFBGA
供应商设备封装: 124-CTBGA(8x8)
包装: 带卷 (TR)
AS3658
Data Sheet Confidential
- Detailed Description- Audio Functions
The ground cancellation can be disabled by shorting the 20 Ω resistor setting bit gnd_sw to ‘1’. This bit should be set if
e.g. a headphone instead of the car amplifier is connected to the output jack.
Note: A similar cicuit can be used for the headphone amplifier.
Figure 50. Ground Noise Cancellation Application Schematic
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9.10.4 Power Save Options
To save power, a reduction of the bias current can be selected.
Table 114. Line Power-Save Options
IBR_LINE
0
1
9.10.5 Parameter
Table 115. Line out Block Characteristics
IDD_LINE (typ.)
2.2mA
1.5mA
Parameter
Min
Typ
Max
Unit
Analog Performance
R_Load at LOUT_L and LOUT_R single ended
Gain Step Precision (RLmin-max,20Hz-20kHz)
SINAD no load, LineIn-> Line out, A-weighted
THD @ 1kHz, no load
THD @ 1kHz, 600 Ω
600
±0.5
-97
-88
-80
Ω
dB
dB
dB
dB
PSRR (200Hz-20kHz)
IOUT_powerdown
Tpower_up (C_LINECM=100nF)
www.austriamicrosystems.com
Revision 1v13
60
-20
90
150
20
dB
μA
ms
110 - 157
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