TDA1543 dual digital-to-analog converter (DAC) by Philips. Format: I2S input Package: 8-DIP Download Philips TDA1543 datasheet: Status: NOS (New Old Stock) ....not far East fakes as found on internet auction sites RoHS compliant: no Golden Oldie, loved for it's no frills simplicity and price, great for cheap audio projects or for mending that vintage CD player.