ET2314

Etek Microelectronics ET2314 4-Channel Input Audio Processor General Description ET2314 is a four-channel input digital audio processor utilizing CMOS Technology. Volume, Bass, Treble and Balance are incorporated into a single chip. Loudness Function and Selectable Input Gain are also provided to build a highly effective electronic audio processor having the highest performance and reliability with the least external components. All functions are programmable using the I2C Bus. The pin assignments and application circuit are optimized for easy PCB layout and cost saving advantage for audio application. Features z z z z z z z z z z z z z CMOS Technolog Least External Components Treble and Bass Control Loudness Function 4 Stereo Inputs with Selectable Input Gain Input/Output for External Noise Reduction System/Equalizer 2 Independent Speaker Controls for Balance Control Independent Mute Function Volume Control in 1.25 dB/step Low Distortion Low Noise and DC Stepping Controlled by I2C Bus Micro-Processor Interface Package: SOP28 Applications z z Car Stereo (Audio) Hi-Fi Audio System Rev 1.0 2009-12-07 1/11 Free Datasheet http://www.datasheet-pdf.com/ ET2314 Pin Configuration Pin Function Pin NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name VDD AGND TREB_L TREB_R RIN ROUT LOUD_R RIN4 RIN3 RIN2 RIN1 LOUD_L LIN4 LIN3 LIN2 LIN1 LIN LOUT BIN_L BOUT_L BIN_R BOUT_R OUT_R OUT_L DGND DATA CLK REF I/O I I I O I I I I I I I I I I I O I O I O O ...