参数资料
型号: MAX98089ETN+T
厂商: Maxim Integrated Products
文件页数: 105/131页
文件大小: 0K
描述: IC CODEC AUDIO FLEXSOUND 56TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: FlexSound™
类型: 立体声音频
数据接口: I²C,串行
分辨率(位): 24 b
ADC / DAC 数量: 2 / 2
三角积分调变:
S/N 比,标准 ADC / DAC (db): 93 / 101
动态范围,标准 ADC / DAC (db): 93 / 101
电压 - 电源,模拟: 1.65 V ~ 2 V
电压 - 电源,数字: 1.65 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-WFQFN 裸露焊盘
供应商设备封装: 56-TQFN-EP(7x7)
包装: 标准包装
其它名称: MAX98089ETN+TDKR
Low-Power, Stereo Audio Codec
with FlexSound Technology
Table 6. Record Path Signal Processing Registers (continued)
REGISTER
BIT
NAME
DESCRIPTION
0x3F
3
AGCATK
AGC Attack Time
Defined as the time required to reduce gain by 63% of the total gain reduction (one time
constant of the exponential response). Attack times are longer for low AGC threshold
levels. See Figure 12 for details.
00 = 2ms
01 = 7.2ms
10 = 31ms
11 = 123ms
2
1
AGCHLD
AGC Hold Time
The delay before the AGC release begins. The hold time counter starts whenever the sig-
nal drops below the AGC threshold and is reset by any signal that exceeds the threshold.
Set AGCHLD to enable the AGC circuit. See Figure 12 for details.
00 = AGC disabled
01 = 50ms
10 = 100ms
11 = 400ms
0
0x40
7
ANTH
Noise Gate Threshold
Gain is reduced for signals below the threshold to quiet noise. The thresholds are relative
to the ADC’s full-scale output voltage.
6
VALUE
THRESHOLD
(dBFS)
VALUE
THRESHOLD
(dBFS)
0x0
Noise gate disabled
0x8
-45
0x1
Reserved
0x9
-41
5
0x2
Reserved
0xA
-38
0x3
-64
0xB
-34
0x4
-62
0xC
-30
4
0x5
-58
0xD
-27
0x6
-53
0xE
-22
0x7
-50
0xF
-16
3
AGCTH
AGC Threshold
Gain is reduced when signals exceed the threshold to prevent clipping. The thresholds
are relative to the ADC’s full-scale voltage.
2
VALUE
THRESHOLD
(dBFS)
VALUE
THRESHOLD
(dBFS)
0x0
-3
0x8
-11
0x1
-4
0x9
-12
1
0x2
-5
0xA
-13
0x3
-6
0xB
-14
0x4
-7
0xC
-15
0
0x5
-8
0xD
-16
0x6
-9
0xE
-17
0x7
-10
0xF
-18
Maxim Integrated
75
MAX98089
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