Overview
The TAS5755MDFD is a highly versatile and efficient digital audio amplifier produced by Texas Instruments. This single-chip solution supports multiple audio modes, including 2.1 (two speakers plus a subwoofer), 2.0 (stereo), and mono (high power speaker) configurations. It is designed to provide high output power with minimal thermal issues, thanks to its pad-up package and low 80 mΩ RDSON. The device operates within a wide voltage range of 8 V to 26.4 V, making it suitable for a variety of audio applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | HTSSOP (DFD) with 56 pins |
| Operating Temperature Range | 0°C to 125°C |
| Output Power | 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) |
| Voltage Range | 8 V to 26.4 V |
| THD+N | ≤ 0.05% at 1 kHz (RSPK= 8 Ω, POUT= 1 W, PVDD= 18 V) |
| ICN | ≤ 50 µVRMS |
| Crosstalk | ≤ -67 dB |
| SNR | ≥ 104 dB |
Key Features
- Single-chip solution supporting 2.1, 2.0, and mono audio modes
- Single-filter in mono (PBTL) mode to reduce system size and cost
- Pad-up package and low 80 mΩ RDSON for enhanced thermal performance
- Integrated audio processing: signal mixing, DC blocking filters, 2 × 8 + 1 × 2 biquads for equalization
- Two-band and single-band configurable Dynamic Range Control (DRC)
- License-free 3D effects
- Automatic rate detection
- Integrated self-protection: thermal protection, over-current limit protection, under-voltage protection
Applications
The TAS5755MDFD is suitable for a wide range of audio applications, including:
- Home audio systems
- Automotive audio systems
- Professional audio equipment
- Gaming consoles and PCs
- Portable audio devices requiring high power and efficiency
Q & A
- What are the different audio modes supported by the TAS5755MDFD?
The TAS5755MDFD supports 2.1 (two speakers plus a subwoofer), 2.0 (stereo), and mono (high power speaker) modes.
- What is the output power capability of the TAS5755MDFD?
The device can output up to 2 × 19 W + 1 × 50 W in 2.1 mode, 2 × 50 W in 2.0 mode, and 1 × 100 W in mono mode.
- What is the operating voltage range of the TAS5755MDFD?
The device operates within a voltage range of 8 V to 26.4 V.
- What kind of audio processing is integrated into the TAS5755MDFD?
The device includes integrated audio processing such as signal mixing, DC blocking filters, and biquads for equalization.
- Does the TAS5755MDFD have built-in protection features?
Yes, it includes thermal protection, over-current limit protection, and under-voltage protection.
- What is the package type and pin count of the TAS5755MDFD?
The device is packaged in a HTSSOP (DFD) package with 56 pins.
- What is the operating temperature range of the TAS5755MDFD?
The operating temperature range is from 0°C to 125°C.
- What are the THD+N and SNR specifications of the TAS5755MDFD?
The THD+N is ≤ 0.05% at 1 kHz, and the SNR is ≥ 104 dB.
- Does the TAS5755MDFD support 3D audio effects?
Yes, it supports license-free 3D effects.
- What is the significance of the single-filter in mono (PBTL) mode?
The single-filter in mono (PBTL) mode reduces the total system size and cost by using only one filter stage.
