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Product Detailed Parameters
- Description：IC AMP CLASS D STER 50W 28TSSOP
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tube
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：50W x 2 @ 6Ohm
- Voltage - Supply：9.5V ~ 36V
- Features：Depop, Short-Circuit and Thermal Protection
- Mounting Type：Surface Mount
- Supplier Device Package：28-TSSOP-EP
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The MP7748DF-LF-Z is a stereo Class-D audio amplifier manufactured by Monolithic Power Systems. It delivers up to 50 W of output power into a 6-ohm load. The device operates within a supply voltage range of 9.5 V to 36 V and features a total harmonic distortion plus noise of 0.02%. It utilizes a TSSOP-F-28 package for surface-mount installation. Key electrical characteristics include a maximum output current of 4.5 A and a quiescent operating current of 3 mA. The component supports a shutdown function and functions reliably across an operating temperature range from -40°C to +85°C.
Feature Summary
- Stereo Class-D architecture providing high-efficiency audio amplification
- Integrated shutdown capability for power management
- Low total harmonic distortion plus noise performance
Applications
- High-fidelity audio systems requiring stereo amplification
- Portable audio devices utilizing Class-D efficiency
- Consumer electronics with single-ended speaker loads
Procurement Notes
Verify the specific suffix, as the available data references MP7748DF-LF-Z. Confirm RoHS compliance status through official documentation. Check the lifecycle status, as this part may be marked as Not Recommended for New Designs. Ensure the package type matches the required TSSOP-F-28 footprint for your design.
Selection Notes
Select this component when a stereo Class-D solution is required for 6-ohm loads. Verify that the input voltage range of 9.5 V to 36 V aligns with your system's power supply. Consider the thermal requirements associated with 50 W output in the specified TSSOP-F-28 package. Confirm compatibility with the 3 mA standby current if low-power modes are critical.
Part Context
This component belongs to the MP7748 series of audio amplifiers from Monolithic Power Systems. It is categorized under Audio ICs and specifically designed for stereo applications. The series focuses on delivering high power output with efficient Class-D topology. Related parts in the ecosystem include variants like the MP7748SGF-Z.
Replacement Considerations
The MP7748SGF-Z is identified as a potential substitute within the same manufacturer lineup. Verify pinout compatibility and electrical specifications before substitution. Ensure the alternative meets the required stereo configuration and power output levels.
