TAS2505IRGE

 1 features 1• digital input mono speaker amp • supports8-khz to 96-khz sample rates • mono class-d btl speaker driver (2 winto 4 Ω or 1.7 w into 8 Ω) • mono headphone driver • twosingle-ended inputs with output mixing and level control • embeddedpower-on-reset • integrated ldo • programmable digital audioprocessing blocks for bass boost, treble, eq with up to six bi playback • integrated pll used for programmable digital audioprocessing blocks • i 2s, left-justified, right-justified, dsp, andtdm audio interfaces • i 2c control and spi control withauto-increment • full power-down control • power supplies: –analog: 1.5 v to 1.95 v – digital core: 1.65 v to 1.95 v – digitali/o: 1.1 v to 3.6 v – class-d: 2.7 v to 5.5 v (spkvdd ≥ avdd) •24-pin vqfn package (4 mm × 4 mm) 2 applications • portable audiodevices • white goods • portable navigation devices 3 descriptionthe tas2505 device is a low power digital input speaker amp withsupport for 24-bit digital i2s data mono playback. in addition todriving a speaker amp up to 4-Ω, the device also features a monoheadphone driver and a programmable digital-signal processingblock. the digital audio data format is programmable to work withpopular audio standard protocols (i2s, left/rightjustified) inmaster, slave, dsp and tdm modes. the programmable digital-signalprocessing block can support bass boost, treble, or e onchip pll provides the high-speed clock needed by the digitalsignal-processing block. the volume level can be controlled byregister control. the audio functions are controlled using the i2c™ serial bus or spi bus. the device includes an on-board ldo thatruns off the speaker power supply to handle all internal deviceanalog and digital power needs. the included por as power-on-resetcircuit reliably resets the device into its default state so noexternal reset is required at normal usage; however, the devicedoes have a reset pin for more complex system initialization needs.the device also includes two analog inputs for mixing and muxing inboth speaker and headphone analog paths