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Product Detailed Parameters
- Description：IC AMP D MONO/STER 56W 48HTSSOP
- Series：PurePath™
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Class D
- Output Type：1-Channel (Mono) or 2-Channel (Stereo)
- Max Output Power x Channels @ Load：56W x 1 @ 4Ohm; 28W x 2 @ 4Ohm
- Voltage - Supply：2.9V ~ 3.63V, 4.5V ~ 26.4V
- Features：Short-Circuit Protection
- Mounting Type：Surface Mount
- Supplier Device Package：48-HTSSOP
- Package / Case：48-PowerTFSOP (0.240", 6.10mm Width)
- Operating Temperature：-25°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TAS5756MDCAR is a digital input, closed-loop Class-D audio amplifier manufactured by Texas Instruments. It features a PurePath™ HybridFlow architecture and supports I2S, TDM, LJ, and RJ digital audio interfaces with sample rates from 8kHz to 192kHz. The device operates on a PVDD range of 4.5V to 26.4V and DVDD of 2.9V to 3.63V. It delivers 56W into an 8-ohm load in mono PBTL mode or 28W per channel in stereo BTL mode at 4 ohms. Key performance metrics include a THD+N of 0.007% at 1W/1kHz and an SNR of 103 dB (A-weighted). It utilizes 1SPW modulation and is housed in a 48-pin HTSSOP package.
Feature Summary
- Integrates PurePath™ HybridFlow architecture for configurable MiniDSP programs combining flexibility and ease of use.
- Supports multiple digital audio formats including I2S, TDM, Left Justified, and Right Justified without requiring MCLK.
- Provides comprehensive protection mechanisms including clock error detection, DC protection, short-circuit, over-temperature, and over-current safeguards.
Applications
- Bluetooth speakers
- Soundbars
- Active subwoofers
- Docking stations
Procurement Notes
Verify the specific suffix 'CAR' indicates the tape-and-reel packaging configuration when sourcing components. Confirm that the required power supply voltages align with the specified PVDD and DVDD ranges before integration. Ensure the design accommodates the thermal requirements of the 48-pin HTSSOP package for high-power operation scenarios.
Selection Notes
Select this component for designs requiring high-efficiency digital amplification with integrated DSP capabilities. It is suitable for applications needing flexible audio routing via standard I2C control. Consider the 1SPW modulation scheme which offers lower quiescent current compared to BD modulation variants, albeit with slightly higher distortion trade-offs.
Part Context
This part belongs to the TAS5756M series of digital input closed-loop Class-D amplifiers. It shares architectural similarities with the TAS5754M but differs in modulation technology and specific power output configurations. The series is designed for consumer audio electronics requiring high fidelity and robust protection features within a compact form factor.
Replacement Considerations
The TAS5756MDCA is available as an alternative tube-packaged version of the same amplifier IC. Designers should verify pinout compatibility and ensure that the change in packaging does not impact the thermal management strategy or PCB layout constraints of the existing system.
FAQ
Does the TAS5756MDCAR require a master clock (MCLK) signal?
No, the device supports a 3-wire digital audio interface that operates without an external MCLK signal.
What is the maximum power supply voltage for the power stage?
The maximum power supply voltage (PVDD) for the power stage is 26.4V.
