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Product Detailed Parameters
- Description：IC AMP D MONO/STER 600W 44HSSOP
- Series：PurePath™ HD
- Mfr：Texas Instruments
- Package：Tube
- Type：Class D
- Output Type：1-Channel (Mono) or 2-Channel (Stereo)
- Max Output Power x Channels @ Load：600W x 1 @ 2Ohm; 300W x 2 @ 4Ohm
- Voltage - Supply：25V ~ 52.5V
- Features：Depop, Digital Inputs, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：44-HSSOP
- Package / Case：44-BSSOP (0.433", 11.00mm Width) Exposed Pad
- Operating Temperature：0°C ~ 70°C (TA)
- Grade：-
- Qualification：-
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Overview
The TAS5631BDKD is a digital-input power stage from Texas Instruments, part of the PurePath HD family. It delivers up to 300W in stereo configuration and 600W in mono mode. The device integrates advanced closed-loop architecture for high-definition audio playback with ultra-low distortion. Designed for efficiency exceeding 88 percent, it eliminates the need for large heatsinks or transformers. This component supports direct digital interfaces, simplifying system design for high-power audio applications.
Feature Summary
- Integrates PurePath HD technology for high-fidelity media playback
- Features advanced closed-loop architecture for ultra-low distortion
- Supports direct digital input interfaces
- Delivers high efficiency exceeding 88 percent
Applications
- Next-generation AV receivers
- Blu-ray home theater systems
- Home theater-in-a-box units
- Professional audio systems
Procurement Notes
Verify the specific suffix 'DKD' against official datasheets, as standard listings often reference 'DKDR'. Confirm current availability status, as some sources indicate end-of-life notifications for related variants. Ensure compatibility with existing PCB footprints and thermal management solutions before procurement.
Selection Notes
Select this component for applications requiring high-power stereo output without analog input stages. Compare with TAS5630 if analog inputs are preferred. Verify thermal requirements due to high power density. Ensure digital interface compatibility with source processors. Consider system cost reduction benefits from eliminated passive components.
Part Context
This device belongs to Texas Instruments' PurePath HD digital-input power stage series. It shares architectural similarities with the TAS5630 but differs in input type. The TAS5631 family targets high-end audio markets where digital signal processing precedes amplification. It represents a solution for compact, high-efficiency audio systems.
Replacement Considerations
Public confirmed substitute part numbers include TAS5631BPHD and TAS5631BPHDG4. Verify pinout and thermal pad configurations when substituting. Check for any functional differences in control registers between package types.
