参数资料
型号: MAX98089ETN+T
厂商: Maxim Integrated Products
文件页数: 101/131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 3. Microphone Input Registers (continued)
Line Inputs
The device includes two sets of line inputs (Figure 7).
Each set can be configured as a stereo single-ended
input or as a mono differential input. Each input includes
adjustable gain to match a wide range of input signal
levels. If a custom gain is needed, the external gain
mode provides a trimmed feedback resistor. Set the gain
by choosing the appropriate input resistor and using the
following formula:
AVPGAIN = 20 x log (20kI/RIN)
The external gain mode also allows summing multiple
signals into a single input, by connecting multiple input
resistors as show in Figure 8, and/or inputting signals
larger than 1VP-P by adjusting the ration of the 20kI/RIN
less than 1.
Figure 7. Line Input Block Diagram
Figure 8. Summing Multiple Input Signals into INA/INB
INADIFF
PGAINA:
+20dB TO -6dB
INABYP
INBDIFF
INA1/
EXTMICP
INA2/
EXTMICN
INB1
INB2
PGAINA:
+20dB TO -6dB
PGAINB:
+20dB TO -6dB
PGAINB:
+20dB TO -6dB
LEFT
INPUT 1
LEFT
INPUT 2
INA1/EXTMICP
VCM
INA2/EXTMICN
20kI
1VP-P (max)
RIGHT
INPUT 1
RIGHT
INPUT 2
VCM
20kI
REGISTER
BIT
NAME
DESCRIPTION
0x4A
7
INABYP
INA/EXTMIC to MIC1 Bypass Switch
0 = Disabled
1 = Enabled
4
MIC2BYP
MIC1 to MIC2 Bypass Switch
0 = Disabled
1 = Enabled
1
RECBYP
See the Output Bypass Switches section.
0
SPKBYP
Maxim Integrated
71
MAX98089
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