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在线产品描述:
SRC4190是一款异步采样率转换器，专为专业和广播音频应用而设计。SRC4190具有宽输入输出采样比、出色的动态范围和低失真。输入和输出串口支持标准音频格式以及时分复用(TDM)模式。灵活的音频接口允许SRC4190连接到各种音频数据转换器、数字音频接收器和发射器以及数字信号处理器。
SRC4190是一款独立的管脚编程器件，具有用于模式、数据格式、静音、旁路和低组延迟功能的控制管脚。
SRC4190可以由单个3.3V电源运行。单独的数字I/O电源(VIO)在1.65-V至3.6-V电源范围内运行，在与当前和未来一代信号处理器和逻辑器件接口时具有更大的灵活性。SRC4190采用SSOP-28封装。
产品特性:
- Qualified for Automotive Applications
- Automatic Sensing of the Input-To-Output Sampling Ratio
- Wide Input-to-Output Sampling Range: 16:1 to 1:16
- Supports Input and Output Sampling Rates up to 212 kHz
- Dynamic Range: 128 dB (–60 dBFS Input,
BW = 20 Hz to fS/2, A-Weighted) - THD+N: –125 db (0 dBFS Input,
BW = 20 Hz to fS/2) - Attenuates Sampling and Reference Clock Jitter
- High Performance, Linear Phase Digital Filtering
- Flexible Audio Serial Ports
- Master or Slave Mode Operation
- Supports I2S, Left Justified, Right Justified,
and TDM Data Formats - Supports 16, 18, 20, or 24-Bit Audio Data
- TDM Mode Allows Daisy Chaining of up to Eight Devices
- Supports 24-, 20-, 18-, or 16-Bit Input and Output Data
- All Output Data Is Dithered From the Internal 28-Bit Data Path
- Low Group Delay Option for Interpolation Filter
- Soft Mute Function
- Bypass Mode
- Power Down Mode
- Operates From a Single 3.3-V Power Supply
- Small SSOP-28 Package
- Pin Compatible With the SRC4192, AD1895, and AD1896
- APPLICATIONS
- Digital Mixing Consoles
- Digital Audio Workstations
- Audio Distribution Systems
- Broadcast Studio Equipment
- High-End A/V Receivers
- General Digital Audio Processing
NumberofSRCchannels2
DigitalaudiointerfaceI2S,R,L,TDM
Dynamicrange(dB)128
数字电源(upto5V)(V)3-3.6
THD+N(dB)-125
控制模块H/W
电源提供(V)3.3
控制接口H/W
AudiodataformatNormal,I2S,TDM
等级汽车领域
温度范围(C)-40to85
370791121
2119841551