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TAS5815PWPR Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5815PWPR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 123 page  TAS5815 30-W, Digital Input, Stereo, Closed-loop Class-D Audio Amplifier with 96 kHz Enhanced Processing 1 Features • Support multiple output configurations – 2 × 30W in 2.0 mode (6Ω, 21V, THD+N=1%) – 58W in Mono mode (3Ω, 21V, THD+N=1%) • Excellent audio performance: – THD+N ≤ 0.03% at 1W, 1kHz, PVDD = 12V – SNR ≥ 110dB (A-weighted), ICN ≤ 45µVRMS • Efficient class-D operation: – > 90% Power efficiency, 120mΩ RDS(on) • Flexible power supply configurations – PVDD: 4.5V to 26.4V – DVDD and I/O: 1.8V or 3.3V • Flexible audio I/O: – Supports 32, 44.1, 48, 88.2, 96kHz sample rates – I2S, LJ, RJ, TDM – SDOUT for audio monitoring, sub-channel or echo cancellation – Support 3-wire digital audio interface (no MCLK required) – Supports stereo bridge-tied or mono parallel bridge-tied loads (BTL and PBTL) – Supports 8 steps Class-H DC-DC control. • Enhanced audio processing: – Sample rate convertor – 96kHz processor sampling – DC blocking, 2 ×15 BQs, DPEQ, THD manager – 4th Order 2-band DRC + AGL – Over temperature fold back – 8 Class-H DC-DC control steps with 2.5ms look ahead buffer for BTL mode and 5ms for PBTL mode at 48k sample rate. • Excellent integrated self-protection: – Over-current error (OCE) – Over-temperature warning (OTW) – Over-temperature error (OTE) – Under or over-voltage lock-out (UVLO/OVLO) • Easy system integration – I2C Software Control – Reduced solution size • Less passives required compare to open loop devices • Ultra low EMI with latest EMI technology • No large inductors required for most applications 2 Applications • Sounds bars, PC audio • Wireless, Bluetooth speakers • DTV, HDTV, UHD and multi-purpose monitors 3 Description The TAS5815 is a high efficiency digital input Class- D audio amplifier with integrated audio processor with up to 96kHz architecture, adaptive modulation schemes based on output power and low RDS(on)= 120mΩ. It also supports DPEQ process for easy tuning. The DPEQ is used to mix the audio signals through two signal paths (low level and high level). These 2 paths are used with separate equalization properties. A third path monitors the incoming audio and determines the thresholds and mixing characteristics between these two parts. Thus, the mix between the two high- and low-level channels is dynamic in nature and depends on the incoming audio. The high-performance closed loop architecture and wide-switching frequency range reduces the solution size by reducing passive components and minimize the inductor size in most applications. TAS5815 has an integrated audio processor with up to 96kHz architecture support advanced process flow. The device has an integrated a proprietary algorithm called Class-H. The Class-H algorithm detects the upcoming audio power demand and provides a PWM control signal for the former DC-DC converter via the feedback pin (FB). This feature used to increase the system-level efficiency and reduce total power consumption. The TAS5815 supports up to 2.5ms of delay buffer to look ahead at the audio signal and prevents audio clipping distortion. This device also supports speaker load open/short detection and report detection result with register report. Device Information PART NUMBER PACKAGE(1) PACKAGE SIZE(2) BODY SIZE (NOM) TAS5815PWP TSSOP (28) PWP 9.70mm × 6.40mm 9.70mm × 4.40mm (1) For all available packages, see the orderable addendum at the end of the data sheet. (2) The package size (length × width) is a nominal value and includes pins, where applicable TAS5815 SLOSEA8 – DECEMBER 2024 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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