TAS2505EVM

TAS2505 2W Class-D Audio Amplifier Evaluation Module

TAS2505EVM

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Overview

The TAS2505 is a low power digital input speaker amp with support for 24-bit digital I2S data mono playback.

In addition to driving a speaker amp up to 4-Ω, the device also features a mono headphone driver and a programmable digital-signal processing block. The digital audio data format is programmable to work with popular audio standard protocols (I2S, left/right-justified) in master, slave, DSP and TDM modes. The programmable digital-signal processing block can support Bass boost, treble, or EQ functions. An on-chip PLL provides the high-speed clock needed by the digital signal-processing block. The volume level can be controlled by register control. The audio functions are controlled using the I2C ™ serial bus or SPI bus.

The device includes an on-board LDO that runs off the speaker power supply to handle all internal device analog and digital power needs. The included POR as power-on-reset circuit reliably resets the device into its default state so no external reset is required at normal usage; however, the device does have a reset pin for more complex system initialization needs. The device also includes two analog inputs for mixing and muxing in both speaker and headphone analog paths.

  • Digital input mono speaker amp
  • Supports 8-kHz to 96-kHz Sample Rates
  • Mono Class-D BTL Speaker Driver (2.6 W 4 Ω or 1.7 W Into 8 Ω)
  • Mono Headphone/Lineout Driver
  • Two Single-Ended Inputs With Output Mixing and Level Control
  • Embedded Power-on-Reset
  • Integrated LDO
  • Programmable Digital Audio Processing Blocks for Bass Boost, Treble, EQ With up to Six Biquads for Playback
  • Integrated PLL Used for Programmable Digital Audio Processing Blocks
  • I2S, Left-Justified, Right-Justified, DSP, and TDM Audio Interfaces
  • I2C and SPI control with auto-increment
  • Full Power-Down Control
  • 4mm × 4mm 24-Pin QFN Package
  • Power Supplies:
    • Analog: 1.5 V–1.95 V
    • Digital Core: 1.65 V–1.95 V
    • Digital I/O: 1.1 V–3.6 V
    • Class-D: 2.7 V–5.5 V (SPKVDD ≥ AVDD)

  • TAS2505EVM Evaluation Board
Not Included
  • Codec Control Console GUI; download separately
  • Micro-USB cable

Speaker amps
TAS2505 Digital Input Class-D Speaker Amplifier with Audio Processing and mono headphone amplifier TAS2505-Q1 2.6W Mono Digital & Analog Input Automotive Class-D Speaker Amplifier
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Evaluation board

TAS2505EVM – TAS2505 Evaluation Module

GUI for evaluation module (EVM)

TAS25xx Codec Control EVM GUI – SLAC772.ZIP (3110KB)

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide TAS25xx Codec Control EVM (Rev. A) Oct. 31, 2017
More literature TAS2505EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Datasheet TAS2505 Digital Input Class-D Speaker Amplifier With Audio Processing and Mono Headphone Amplifier datasheet (Rev. B) Nov. 30, 2016
User guide TAS2505 Application Reference Guide Feb. 14, 2013

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