ET7208数据手册ETEK中文资料规格书

描述 Description

ET7208 is a spectral data acquisition circuit IC with audio 7 band graphic equalizer. In the audio synchronization mode, 20Hz ~ 20KHz input audio signal is subdivided into seven bands through the built-in band-pass filter, and the average range value of each of the different frequency bands is converted into the corresponding digital signal through the built-in high-precision ADC, while the total average range value of the signal sources is calculated. In this mode, different frequency range value of the audio signals can be read out by MCU.

特性 Features

• 2.7V to 5.5V Operation Voltage

• -18dB~+18dB audio input gain adjustable

• 7 band graphic equalizer and a volume data acquisition

• Built-in 8bit ADC

• I2C bus interface

• Digital signals can be read from ADC through the I2C interface

• Part No. and Package

应用 Application

• Portable Stereos
• Car Stereos
• Hi-Fi Stereos
• Spectrum Analyzers