Texas Instruments TAS5755M | Demoboard TAS5755EVM

Description

The TAS5755M is a single-chip flexible digital audio solution with integrated processing that supports 2.1 (2 speakers + subwoofer), 2.0 or stereo (2 speakers) and mono (high power speaker) modes.Its high efficiency, low 80mΩ RDSON and pad-up package allow the device to output up to 2 × 50W or 1 × 100W.TAS5755M leverages 2 full H-bridges which are used for each channel in stereo mode. In 2.1 mode, TAS5755M runs 2 independent speaker channels using 2 half-bridges while using a full-bridge to drive a subwoofer. Finally, in mono mode, TAS5755M supports pre-filter parallel bridge tied load (PBTL) using only one filter stage to reduce total system size and cost.TAS5755M has integrated audio processing. It includes: signal mixing, DC blocking filters, 2 × 8 + 1 × 2 biquads for equalization. Power limiting is implemented by leveraging a two-band log-style DRC and a separate single-band DRC for the subwoofer channel.

Features

Reduced Solution Size and BOM Cost:Single-chip 2.1, 2.0 and Mono Mode CapableSingle-filter in Mono (PBTL) Mode.Pad-up Package and 80 mΩ RDSON Enhances Thermal Performance

High Output Power capable:2 × 19 W +1 × 50 W in 2.1 mode(2 × 4 Ω + 1 × 6 Ω, 24 V)2 × 50 W in 2.0 mode (2 × 6 Ω, 24 V)1 × 100 W in Mono Mode (1 × 2 Ω, 24 V)Wide Voltage Range: 8 V to 26.4 V

Audio Performance Audio:THD+N ≤ 0.05% at 1 kHz (RSPK = 8 Ω, POUT = 1 W, PVDD = 18 V)ICN ≤ 50 µVRMSCrosstalk ≤ - 67 dBSNR ≥ 104 dBBD Modulation Available, for Improved Audio Performance and Efficiency.

Integrated Audio Processing:2 × 8 + 1 × 2 BiquadsTwo-band + Single-band configurable Dynamic Range Control (DRC)License-Free 3D EffectsSignal Mixing and DC blocking filterAutomatic Rate Detection

Integrated Self-protectionThermal ProtectionOver-current Limit ProtectionUnder-voltage Protection

Typical applications

• DTV, UHD and Multi-Purpose Monitors / Sounds Bars, PC Audio / General Purpose Audio Equipment

More information

• Datasheet
• IC product information