参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 94/158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
Table 91. PLL,MCLK Settings
I2S_mclk_en
1
1
1
1
I2S_select
0
0
1
1
mclk_invert
0
1
0
1
Description
I2S_1 selected, external MCLK on MCLK_1
I2S_1 selected, external MCLK on MCLK_1 (inverted)
I2S_2 selected, external MCLK on MCLK_2
I2S_2 selected, external MCLK on MCLK_2 (inverted)
9.4.3 Parameter
Table 92. Audio DAC/ADC Parameter
Parameter
Min
Typ
Max
Unit
Analog Performance
Programmable gain DAC input
Programmable gain ADC input
Gain step size
-43.43
-34.5
1.5
1.07
12
dB
dB
dB
DAC THD+Noise at FS
-85
-75
dB
DAC SN/R (20Hz-20kHz, -60dBFS) A-weighted
DAC Inter channel Mismatch
ADC SN/R
90
94
82
0.25
dB
dB
dB
Table 93. I2S Parameter
I2S Inputs and Outputs VI2S=2.9V
Min
Typ
Max
VIL
VIH
VOL
VOH
SCLKx, LRCLKx, SDIx
SCLKx, LRCLKx, SDIx
SDOX,SCLK3,LRCLK3,SPDIF,SCLK1,LRCLK1,MCLK1
SDOX,SCLK3,LRCLK3,SPDIF,SCLK1,LRCLK1,MCLK1
-
1.02V
-
-
0V
VI2S
0.42V
3.3V
Table 94. DAC_L Register
Addr:77
DAC_L
These bits control the Audio DAC volume and functions
Bit
Bit Name
Default Access
Description
volume settings for left DAC input, adjustable in 32 steps @
1.5dB
00000
-40.5 dB gain
4:0
dal_vol
00000b
R/W
00001
-39 dB gain
.....
11110
11111
4.5 dB gain
6 dB gain
5
-
-
-
6
dac_mute_off
0
R/W
0
1
DAC input is set to mute
normal operation
www.austriamicrosystems.com
Revision 1v13
93 - 157
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