Monolithic Power Systems Inc. MP7731DF-LF-P
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,911.72 | Dhs. 355,911.72 |
| 15+ | Dhs. 344,672.41 | Dhs. 5,170,086.15 |
| 25+ | Dhs. 337,179.53 | Dhs. 8,429,488.25 |
| 50+ | Dhs. 318,447.33 | Dhs. 15,922,366.50 |
| 100+ | Dhs. 280,982.94 | Dhs. 28,098,294.00 |
| N+ | Dhs. 56,196.59 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Monolithic Power Systems Inc. |
| Product Series | MP |
| Packaging | | |
| Part Status | Active |
| Type | Class D |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 30W x 1 @ 4Ohm |
| Voltage - Supply | 9.5V ~ 18V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 20-TSSOPF-EP |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| ROHS |
The MP7731DF-LF-P is a mono Class D audio amplifier from Monolithic Power Systems, delivering 30W into 4 Ohm loads. Operating from 9.5V to 18V, it offers high efficiency for battery and automotive applications. The 20-TSSOPF-EP package with exposed pad ensures effective thermal management. Ideal for subwoofers, alarm systems, and portable PA speakers, this amplifier combines power and reliability in a compact surface-mount design.
- High Output Power: 30W into 4 Ohm mono, suitable for demanding audio applications.
- Wide Supply Voltage: 9.5V to 18V accommodates automotive and industrial power rails.
- Class D Efficiency: Minimizes heat generation, enabling compact enclosures.
- Extended Temperature Range: -40°C to 85°C ensures operation in harsh environments.
Automotive Subwoofers
The MP7731DF-LF-P's 30W mono output and wide voltage range make it ideal for car audio subwoofer amplifiers.
Industrial Alarm Systems
Its high power and robust temperature range suit industrial alarm drivers requiring loud, reliable audio.
Portable PA Systems
Class D efficiency allows battery-powered public address systems to deliver 30W without overheating.
Marine Audio
The -40°C to 85°C range and surface-mount package enable use in marine speakers exposed to temperature extremes.
DIY High-Power Amplifiers
Hobbyists can build compact mono amplifiers for guitar or bass practice amps using this chip.
Line Drivers
Its high output power can drive long speaker lines in commercial audio distribution systems.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| MP7731DF-LF-P | 20-TSSOPF-EP | 9.5V ~ 18V | 30W x 1 @ 4Ohm |
| TPA6030A4PWPR | 28-HTSSOP | 7V ~ 15V | 5W x 2 @ 16Ohm |
| LM48410SQ/NOPB | 24-WQFN (4x4) | 2.4V ~ 5.5V | 2.3W x 2 @ 4Ohm |
| TAS2563RPPR | 32-VQFN-HR (4.5x4) | 2.5V ~ 5.5V | 6.1W x 1 @ 4Ohm |
- Q: What is the supply voltage range for the MP7731DF-LF-P?
- A: It operates from 9.5V to 18V, suitable for automotive and industrial applications.
- Q: What output power can this amplifier deliver?
- A: It delivers 30W into 4 Ohm in mono configuration.
- Q: What is the amplifier class?
- A: It is a Class D amplifier, offering high efficiency.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C, suitable for harsh environments.
- Q: What package does it come in?
- A: It comes in a 20-TSSOPF-EP package with exposed pad for thermal dissipation.
- Q: What is the supply voltage range for the MP7731DF-LF-P?
- A: It operates from 9.5V to 18V, suitable for automotive and industrial applications.
- Q: What output power can this amplifier deliver?
- A: It delivers 30W into 4 Ohm in mono configuration.
- Q: What is the amplifier class?
- A: It is a Class D amplifier, offering high efficiency.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C, suitable for harsh environments.
- Q: What package does it come in?
- A: It comes in a 20-TSSOPF-EP package with exposed pad for thermal dissipation.

MP7731DF-LF-P.pdf