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Product Detailed Parameters
- Description：IC AMP CLASS D STER 37W 56HTSSOP
- Series：PurePath Digital™
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：37W x 2 @ 6Ohm
- Voltage - Supply：16V ~ 25.5V
- Features：Depop, Digital Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：56-HTSSOP
- Package / Case：56-PowerTFSOP (0.240", 6.10mm Width)
- Operating Temperature：0°C ~ 70°C (TA)
- Grade：-
- Qualification：-
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Overview
The TAS5122DCA is a digital audio amplifier power stage manufactured by Texas Instruments. It features a dual-channel stereo output configuration housed in a 56-pin HTSSOP package. The device operates within a supply voltage range of 16V to 25.5V and supports an operating temperature from 0°C to +70°C. It delivers a maximum output power of 37W per channel into a 6-ohm load, with a total harmonic distortion plus noise (THD+N) of 0.2%. The unit weighs approximately 237 mg.
Feature Summary
- Integrates digital input architecture for direct connection to digital audio sources
- Includes built-in protection mechanisms against short circuits and thermal overload
- Supports mute and shutdown functions for system control
Applications
- High-fidelity home theater systems
- AV receivers
- Bar speakers
- Miniature audio combinations
Procurement Notes
Verify the specific suffix DCA corresponds to the tube packaging format rather than tape-and-reel variants. Confirm the component status as discontinued or obsolete before finalizing procurement plans. Ensure compatibility with required LC demodulation filters and compatible TI D-class power stages for complete system integration.
Selection Notes
Select this component when designing stereo digital audio amplifiers requiring integrated power stage functionality. It is suitable for applications needing differential outputs and robust protection features. Verify that the 56-pin HTSSOP footprint fits the target PCB layout constraints and that the thermal requirements align with the intended enclosure design.
Part Context
This part belongs to the TAS5122 series of PurePath Digital audio amplifiers. It serves as a power stage designed to work with digital PWM processors. The series focuses on high-efficiency Class-D amplification with digital signal processing capabilities integrated at the power level.
Replacement Considerations
Check for TAS5122DFDR which utilizes a tape-and-reel package instead of tubes. Verify if TAS5122DCAE is available as an alternative engineering sample variant.
