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Product Detailed Parameters
- Description：IC AMP CLASS D STEREO 3.1W 24SOP
- Series：-
- Mfr：Diodes Incorporated
- Package：Bulk
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：3.1W x 2 @ 4Ohm
- Voltage - Supply：2.5V ~ 5.5V
- Features：Depop, Short-Circuit and Thermal Protection
- Mounting Type：Surface Mount
- Supplier Device Package：24-SOIC
- Package / Case：24-SOIC (0.295", 7.50mm Width)
- Operating Temperature：-20°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The PAM8007DHR is a filterless 3W Class-D stereo audio amplifier with an integrated headphone driver, manufactured by Diodes Incorporated. It operates on a 2.5V to 5.5V supply and delivers 3W output at 10% THD+N into a 4Ω load. The device features a 64-step DC volume control for both speaker and headphone channels. It utilizes a SOP-24 package and includes short-circuit protection and thermal shutdown.
Feature Summary
- Filterless architecture eliminates the need for low-pass output filters, reducing system cost and PCB area.
- Integrated 64-step DC volume control allows independent adjustment of speaker and headphone gain levels.
- Includes dedicated headphone output function with superior low noise performance.
- Features built-in short-circuit protection and thermal shutdown for enhanced reliability.
Applications
- LCD monitors and TV projectors
- Notebook computers
- Portable speakers
- Portable DVD players and game machines
- VoIP and speaker phones
Procurement Notes
Verify component authenticity through authorized Diodes Incorporated distributors or certified partners. Confirm the specific SOP-24 packaging and tape-and-reel shipping format matches design requirements. Ensure compliance with RoHS standards and check for any automotive qualification requirements if applicable to the target application environment.
Selection Notes
Select this component for portable designs requiring high efficiency and minimal external components. The filterless topology significantly reduces bill of materials and board space compared to traditional Class-D amplifiers. Consider the integrated headphone driver capability for devices needing dual audio outputs without additional circuitry.
Part Context
The PAM8007 belongs to Diodes Incorporated's audio amplifier family, designed for high-efficiency sound reproduction in battery-powered devices. It combines Class-D speaker amplification with a Class-AB headphone driver in a single package. This integration simplifies system design while maintaining high audio quality and power efficiency.
Replacement Considerations
Diodes Incorporated recommends using the PAM8019E as the replacement for new designs. Verify pin compatibility and electrical specifications before substituting other Class-D amplifiers from different manufacturers.
FAQ
Does the PAM8007 require external LC filters for speaker operation?
No, the PAM8007 features a filterless architecture that allows direct driving of speakers without low-pass output filters.
How is the volume controlled in the PAM8007?
It uses a 64-step DC volume control input that sets the gain for both the Class-D speaker stage and the headphone stage independently.
What protection features are included in the PAM8007?
The device includes short-circuit protection on the outputs and thermal shutdown protection that activates when the junction temperature exceeds +150°C.
