参数资料
型号: AD1835AASZ
厂商: Analog Devices Inc
文件页数: 13/24页
文件大小: 0K
描述: IC CODEC 2ADC/8DAC 24BIT 52-MQFP
标准包装: 1
类型: 立体声音频
数据接口: 串行
分辨率(位): 24 b
ADC / DAC 数量: 2 / 8
三角积分调变:
S/N 比,标准 ADC / DAC (db): 105 / 108
动态范围,标准 ADC / DAC (db): 105 / 108
电压 - 电源,模拟: 4.5 V ~ 5.5 V
电压 - 电源,数字: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 52-QFP
供应商设备封装: 52-MQFP(10x10)
包装: 托盘
产品目录页面: 776 (CN2011-ZH PDF)
REV. A
–20–
AD1835A
Table X. ADC Control 1
Function
ADC
Sample
Address
R/
W
RES
Filter
Power-Down
Rate
Reserved
15, 14, 13, 12
11
10
9
8
7
6
5, 4, 3, 2, 1, 0
1100
0
0 = All Pass
0 = Normal
0 = 48 kHz
0, 0, 0, 0, 0, 0
1 = High-Pass
1 = Power-Down
1 = 96 kHz
0, 0, 0, 0, 0, 0
Table XI. ADC Control 2
Function
R/
W
Master/Slave ADC
ADC Data-
ADC MUTE
Address
RES
Aux Mode
Data Format
Word Width
Reserved
Right
Left
15, 14, 13, 12
11
10
9
8, 7, 6
5, 4
3, 2
1
0
1101
0
0 = Slave
000 = I
2S
00 = 24 Bits
0, 0
0 = On
1 = Master
001 = RJ
01 = 20 Bits
1 = Mute
010 = DSP
10 = 16 Bits
011 = LJ
11 = Reserved
100 = Packed 256
101 = Packed 128
110 = Auxiliary 256
111 = Auxiliary 512
Table XII. ADC Control 3
Function
R/
W
IMCLK
ADC
DAC
ADC
Address
RES RES Reserved Clocking Scaling Peak Readback
Test Mode
15, 14, 13, 12 11
10
9
8, 7, 6
5
4, 3, 2
1, 0
1110
0
0, 0
00 = MCLK
20 = Disabled Peak Readback 000 = Normal Mode 00 = Normal Mode
01 = MCLK
1 = Enabled Peak Readback
All others reserved
10 = MCLK
2/3
11 = MCLK
2
Table IX. ADC Peak
Function
Four Fixed
Address
R/
W RES Six Data Bits
Bits
15, 14, 13, 12
11
10
9, 8, 7, 6, 5, 4
3, 2, 1, 0
1010 = Left ADC 1
0
000000 = 0.0 dBFS 0000
1011 = Right ADC
000001 = –1.0 dBFS
000010 = –2.0 dBFS These four
111111 = –63.0 dBFS bits are
always zero.
Table VIII. DAC Volume Control
Function
Address
R/
W
RES
DAC Volume
15, 14, 13, 12
11
10
9, 8, 7, 6, 5, 4, 3, 2, 1, 0
0010 = DACL1
0
0000000000 = Mute
0011 = DACR1
0000000001 = 1/1023
0100 = DACL2
0000000010 = 2/1023
0101 = DACR2
1111111110 = 1022/1023
0110 = DACL3
1111111111 = 1023/1023
0111 = DACR3
1000 = DACL4
1001 = DACR4
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