参数资料
型号: MAX97003EWP+T
厂商: Maxim Integrated Products
文件页数: 30/48页
文件大小: 0K
描述: IC AUDIO SUBSYSTEM LN 20WLP
标准包装: 2,500
类型: D 类;H 类
输出类型: 1-通道(单声道)或 2-通道(立体声)
在某负载时最大输出功率 x 通道数量: 1W x 2 @ 8 欧姆
电源电压: 2.7 V ~ 5.5 V
特点: 消除爆音,差分输入,关闭
安装类型: *
供应商设备封装: *
封装/外壳: *
包装: *
Maxim Integrated Products 36
MAX97003
High-Efficiency, Low-Noise Audio Subsystem
Table 8. Distortion Limiter Register
Distortion Limiter
The distortion limiter monitors the audio signal at the output of the Class D speaker amplifier and decreases the gain if
the distortion exceeds the selected threshold. Attenuation is achieved by automatically modifying the speaker volume
as appropriate. To operate the distortion limiter, select a distortion limit (% THD+N) and a release time constant.
REGISTER
BIT
NAME
DESCRIPTION
0x0E
7
THDCLP
Distortion Limit. Measured in % THD+N. ZCD must be set to 0 for the distortion
limiter to function.
6
VALUE
DISTORTION LIMIT (%)
VALUE
DISTORTION LIMIT (%)
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
Limiter disabled
< 1
1
2
4
6
8
10
0x8
0x9
0xA
0xB
0xC
0xD
0xE
0xF
12
14
16
18
20
21
22
24
5
4
2
THDRLS
Limiter Release Time Constant. Time constant used while increasing the gain after
distortion is no longer detected at the output.
000 = 6.2s
001 = 3.1s
010 = 1.6s
011 = 815ms
100 = 419ms
101 = 223ms
110 = 116ms
111 = 76ms
1
0
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