TAS5815

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Hocheffizienter Klasse-D-Audioverstärker mit 30 W Stereo, 60 W Mono und Digital-Eingang mit Klasse-H

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Datenblatt

document-pdfAcrobat TAS5815 30-W, Digital Input, Stereo, Closed-loop Class-D Audio Amplifier with 96 kHz Enhanced Processing datasheet (Rev. A) (Englisch) PDF | HTML

TAS5815

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Audio input type

Digital Input

Architecture

Class-D

Speaker channels (max)

Stereo

Control interface

I2C

Output power (W)

30

Power stage supply (max) (V)

26.4

Power stage supply (min) (V)

4.5

RDS(on) (Ω)

0.12

THD + N at 1 kHz (%)

0.04

Load (min) (Ω)

4

Analog supply voltage (min) (V)

4.5

Analog supply voltage (max) (V)

26.4

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Audio input type

Digital Input

Architecture

Class-D

Speaker channels (max)

Stereo

Control interface

I2C

Output power (W)

30

Power stage supply (max) (V)

26.4

Power stage supply (min) (V)

4.5

RDS(on) (Ω)

0.12

THD + N at 1 kHz (%)

0.04

Load (min) (Ω)

4

Analog supply voltage (min) (V)

4.5

Analog supply voltage (max) (V)

26.4

Rating

Catalog

Operating temperature range (°C)

-40 to 85

HTSSOP (PWP)

28

62.08 mm² (9.7 mm × 6.4 mm)

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

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

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 minimizing the inductor size in most applications. TAS5815 has an integrated audio processor with up to 96kHz architecture to support an 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.

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 minimizing the inductor size in most applications. TAS5815 has an integrated audio processor with up to 96kHz architecture to support an 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.

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	TAS5815 30-W, Digital Input, Stereo, Closed-loop Class-D Audio Amplifier with 96 kHz Enhanced Processing datasheet (Rev. A)	PDF \| HTML	30.01.2026
	Anwendungshinweis	Mastering Audio Performance with TAS58xx Family of Class-D Audio Amplifiers	PDF \| HTML	29.05.2026
	Anwendungshinweis	A Designer's Guide to Class-H Implementation in TAS5815, TAS5825P, TAS5827, TAS5828M, and TAS5830 Amplifiers	PDF \| HTML	28.05.2026
	Application brief	Speaker, TV, Soundbar Audio Amplifiers: Features, Benefits, and Selection Guide	PDF \| HTML	11.03.2026
	Benutzerhandbuch	TAS5815 and TAS5802 Process Flows	PDF \| HTML	14.01.2025
	Zertifikat	TAS5815PWPEVM EU Declaration of Conformity (DoC)		24.05.2024
	Zertifikat	TAS5815EVM EU Declaration of Conformity (DoC)	PDF \| HTML	30.10.2023

Design und Entwicklung

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Evaluierungsplatine

TAS5815EVM — TAS5815 – Evaluierungsmodul

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