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Product Detailed Parameters
- Description：IC AMP CLASS D STER 20W 20TSSOPF
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tube
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：20W x 2 @ 4Ohm
- Voltage - Supply：-
- Features：Depop, Mute, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：20-TSSOPF-EP
- Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The MP7722DF-LF is a dual output Class D audio amplifier manufactured by Monolithic Power Systems. It delivers 20W into a 4-ohm load and utilizes four 180-milliohm MOSFETs to achieve 93% efficiency at full output power. The device employs a variable switching frequency topology to reduce EMI spike magnitude during operation. It incorporates mute and standby modes for lower power consumption.
Feature Summary
- Dual output Class D architecture delivering high-fidelity audio performance
- Variable switching frequency topology designed to minimize electromagnetic interference spikes
- Integrated mute and standby operational modes for enhanced power management
Applications
- Audio systems requiring efficient Class D amplification
- Portable electronic devices utilizing low-power audio solutions
- Embedded audio circuits with strict EMI constraints
Procurement Notes
Verify the specific suffix DF-LF against official Monolithic Power Systems documentation to confirm lead-free status and package configuration. Ensure compatibility with system voltage requirements and thermal design parameters before procurement. Cross-reference the manufacturer datasheet for exact ordering information and environmental compliance details.
Selection Notes
Select this component for applications demanding high efficiency and reduced electromagnetic interference in dual-channel audio designs. The integrated MOSFET structure simplifies the bill of materials compared to discrete solutions. Evaluate the variable switching frequency benefits against fixed-frequency alternatives based on specific noise sensitivity requirements.
Part Context
This part belongs to the Monolithic Power Systems Class D audio amplifier family, which focuses on high-efficiency sound reproduction. The series integrates power stages and control logic to minimize external component count. The MP7722 variant specifically targets dual-output configurations for stereo applications.
Replacement Considerations
Consult official MPS substitution guides for verified equivalents. Verify pinout compatibility and electrical specifications before replacing existing components in established designs.
