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The true digital audio amplifier (TDAA) is a new paradigm in digital audio. One TDAA system consists of the TAS5001 PCM-PWM modulator device + TAS5100 PWM power output device. This system accepts a serial PCM digital audio stream and converts it to a 3.3-V PWM audio stream (TAS5001). The TAS5100 device then provides a large-signal PWM output. This digital PWM signal is then demodulated providing power output for driving loudspeakers. This patented technology provides low-cost, high-quality, highefficiency digital audio applicable to many audio systems developed for the digital age. The TAS5001 is an innovative, cost-effective, high-performance 24-bit stereo PCM-PWM modulator based on Equibittechnology. It has a wide variety of serial input options including right-justified (16, 20, or 24 bits), IIS (16, 20, or 24 bits), left-justified (16 bits), or DSP (16 bits) data formats. It is fully compatible with AES standard sampling rates of 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz. The TAS5001 also provides a de-emphasis function for 44.1-kHz and 48-kHz sampling rates.
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: DVDD1, DVDD2, DVDD3_L, DVDD3_R
TAS5001PFB Features
` TAS5001 + TAS5100 TDAA System High Quality Digital Audio Amplification ` 96-dB Dynamic Range (TAS5001 Device) ` 93-dB Dynamic Range (TAS5001 and TAS5100 System Measured at Speaker Terminals) ` THD+N < 0.08% (1 kHz, 0 to 30 W RMS Into 6 ) (TAS5001 & TAS5100 System Measured at Speaker Terminals) ` Power Efficiency Is 90% Into 8- Load ` 16-, 20-, or 24-Bit Input Data ` 32-kHz, 44.1-kHz, 48-kHz, 88.2-kHz, 96-kHz Sampling Rates ` Economical 48-Pin TQFP Package ` Lower-Jitter Internal PLL ` 3.3-V Power Supply ` Mute ` Clicks and Pops Reduction (Patent Pending)
TAS5001PFB Typical Application
· DVD Audio · Home Theater · Car Audio Amplifiers and Head Units
