ISD4004 系列工作电压3V,单片录放时间8 至16 分钟,音质好,适用于移动电话及其他便携式电子产品中。芯片采用CMOS 技术,内含振荡器、防混淆滤波器、平滑滤波器、音频放大器、自动静噪及高密度多电平闪烁存贮陈列。芯片设计是基于所有操作必须由微控制器控制,操作命令可通过串行通信接口(SPI 或Microwire)送入。-The ISD4004 series voltage is 3V, the monolithic recording time to 16 minutes, good sound quality for mobile phones and other portable electronic products. Chip using CMOS technology, contains the oscillator, anti-aliasing filter, smoothing filter, audio amplifier, automatic squelch and high-density multi-level flash storage display. The chip design is based on all operations must be controlled by the microcontroller, operation command can be fed via a serial communications interface (SPI or Microwire).