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TAS2505
  • TAS2505
  • TAS2505
  • TAS2505

TAS2505

ACTIVE

2-W, mono, digital & analog input Class-D audio amp with audio processing & mono headphone amplifier

Texas Instruments TAS2505 Product Info

1 April 2026 1

Parameters

Audio input type

Analog Input, Digital Input

Architecture

Class-D

Speaker channels (max)

Mono

Control interface

I2C, SPI

Output power (W)

2.6

Power stage supply (max) (V)

5.5

Power stage supply (min) (V)

2.7

THD + N at 1 kHz (%)

0.012

Load (min) (Ω)

4

Analog supply voltage (min) (V)

1.5

Analog supply voltage (max) (V)

1.95

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Package

VQFN (RGE)-24-16 mm² 4 x 4

Features

  • Mono class-D BTL speaker amplifier
    • 2.6W at 10% THD_N (4Ω, 5.5V)
    • 1.7W at 10% THD+N (8Ω, 5.5V)
  • Supports both digital and analog input
  • Single supply 2.7V to 5.5V
  • Load diagnostic functions:
    • Output-to-GND Short
    • Terminal-to-terminal short
    • Output-to-power short
    • Over temperature
    • Input DC
  • Supports 9kHz to 96kHz sample rates
  • Two single-ended inputs with output mixing and level control
  • Embedded power-on-reset
  • Programmable digital audio processing:
    • Bass boost
    • Treble
    • EQ (up to 6 biquads)
  • I2S, Left-justified, right-justified, DSP, and TDM audio interfaces
  • I2C and SPI Control With Auto-Increment
  • 24-Pin, VQFN package
  • Mono class-D BTL speaker amplifier
    • 2.6W at 10% THD_N (4Ω, 5.5V)
    • 1.7W at 10% THD+N (8Ω, 5.5V)
  • Supports both digital and analog input
  • Single supply 2.7V to 5.5V
  • Load diagnostic functions:
    • Output-to-GND Short
    • Terminal-to-terminal short
    • Output-to-power short
    • Over temperature
    • Input DC
  • Supports 9kHz to 96kHz sample rates
  • Two single-ended inputs with output mixing and level control
  • Embedded power-on-reset
  • Programmable digital audio processing:
    • Bass boost
    • Treble
    • EQ (up to 6 biquads)
  • I2S, Left-justified, right-justified, DSP, and TDM audio interfaces
  • I2C and SPI Control With Auto-Increment
  • 24-Pin, VQFN package

Description

The TAS2505 is a mono Class-D speaker amp that supports both Digital and Analog inputs. The device is designed for automotive instrument cluster, emergency call (eCall), and telematics applications. Direct I2S input removes the need for an external DAC in the audio signal path. In addition to integration, the device features programmable audio processing. The onboard DSP supports bass boost, treble, and EQ (up to 6 biquads). An on-chip PLL provides the high-speed clock needed by the DSP. The volume level is register controlled.

The TAS2505 is a mono Class-D speaker amp that supports both Digital and Analog inputs. The device is designed for automotive instrument cluster, emergency call (eCall), and telematics applications. Direct I2S input removes the need for an external DAC in the audio signal path. In addition to integration, the device features programmable audio processing. The onboard DSP supports bass boost, treble, and EQ (up to 6 biquads). An on-chip PLL provides the high-speed clock needed by the DSP. The volume level is register controlled.

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