参数资料
型号: ADAV803ASTZ
厂商: Analog Devices Inc
文件页数: 54/60页
文件大小: 0K
描述: IC CODEC AUDIO R-DVD 3.3V 64LQFP
标准包装: 1
类型: 音频编解码器
数据接口: 串行
分辨率(位): 24 b
ADC / DAC 数量: 2 / 2
三角积分调变:
动态范围,标准 ADC / DAC (db): 102 / 101
电压 - 电源,模拟: 3 V ~ 3.6 V
电压 - 电源,数字: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
配用: EVAL-ADAV803EBZ-ND - BOARD EVALUATION FOR ADAV803
ADAV803
Rev. A | Page 58 of 60
ALC Control Register 2— Address = 1111100 (0x7C)
Table 142. ALC Control Register 2 Bit Map
7
6
5
4
3
2
1
0
Reserved
RECTH1
RECTH0
ATKTH1
ATKTH0
RECTIME1
RECTIME0
ATKTIME
Table 143. ALC Control Register 2 Bit Descriptions
Bit Name
Description
RECTH[1:0]
Recovery threshold.
00 = 2 dB.
01 = 3 dB.
10 = 4 dB.
11 = 6 dB.
ATKTH[1:0]
Attack threshold.
00 = 0 dB.
01 = 1 dB.
10 = 2 dB.
11 = 4 dB.
RECTIME[1:0]
Recovery time selection.
00 = 32 ms.
01 = 64 ms.
10 = 128 ms.
11 = 256 ms.
ATKTIME
Attack timer selection.
0 = 1 ms.
1 = 4 ms.
ALC Control Register 3—Address 1111101 (0x7D)
Table 144. ALC Control Register 3 Bit Map
7
6
5
4
3
2
1
0
ALC RESET
Table 145. ALC Control Register 3 Bit Description
Bit Name
Description
ALC RESET
A write to this register restarts the ALC operation. The value written to this register is irrelevant. A read from this
register gives the gain reduction factor.
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