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Product Detailed Parameters
- Description：IC AMP CLASS AB QUAD 28W 36HSOP
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Type：Class AB
- Output Type：4-Channel (Quad)
- Max Output Power x Channels @ Load：28W x 4 @ 4Ohm
- Voltage - Supply：6V ~ 18V
- Features：Depop, Short-Circuit and Thermal Protection
- Mounting Type：Surface Mount
- Supplier Device Package：36-HSOP
- Package / Case：36-BSSOP (0.433", 11.00mm Width) Exposed Pad
- Operating Temperature：-
- Grade：-
- Qualification：-
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Overview
The TDF8548ATH/N1ZJ is a quad-channel Class AB audio amplifier integrated circuit manufactured by NXP USA Inc. It operates within a supply voltage range of 6V to 18V and delivers a maximum output power of 28W per channel into a 4-ohm load. The device is housed in a 36-pin HSOP package with a bare pad for thermal management. It incorporates protection features including pop-suppression, short-circuit protection, and thermal shutdown.
Feature Summary
- Quad-channel Class AB architecture for multi-speaker applications
- Integrated pop-suppression to minimize audible switching noise
- Built-in short-circuit and thermal protection mechanisms
Applications
- Multi-zone audio systems requiring independent channel control
- Automotive infotainment amplification stages
- Home theater speaker driver circuits
Procurement Notes
This component is officially discontinued and scheduled for obsolescence by the manufacturer. Verification of current availability requires checking authorized distributors for remaining stock or approved replacement alternatives. Ensure compatibility with existing design specifications before procurement attempts.
Selection Notes
Select this part for designs requiring four independent audio channels with moderate power output. Verify that the system supply voltage remains within the 6V to 18V operational range. Consider the 36-HSOP package constraints for PCB layout and thermal dissipation requirements during the initial design phase.
Part Context
Part of the TDF854 family of audio amplifiers from NXP. The suffix /N1ZJ indicates specific packaging and compliance variations compared to other variants like /N1ZU. It shares core functionality with related models but differs in end-of-life status and environmental compliance certifications.
Replacement Considerations
Officially documented substitutes include TDF8548ATH/N1ZU and TDF8548ATH/N1J. Verify pinout compatibility and thermal performance when transitioning between these variants due to potential differences in RoHS status and packaging materials.
