National Semiconductor LM4667MM/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 1.57 | Dhs. 1.57 |
| 15+ | Dhs. 1.52 | Dhs. 22.80 |
| 25+ | Dhs. 1.49 | Dhs. 37.25 |
| 50+ | Dhs. 1.40 | Dhs. 70.00 |
| 100+ | Dhs. 1.24 | Dhs. 124.00 |
| N+ | Dhs. 0.25 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | Boomer® |
| Packaging | Bulk | |
| Part Status | Active |
| Type | Class D |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 1.3W x 1 @ 8Ohm |
| Voltage - Supply | 2.7V ~ 5.5V |
| Features | Depop, Differential Inputs, Short-Circuit Protection, Shutdown |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 10-VSSOP |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| ROHS |  |
The LM4667MM/NOPB is a mono Class D audio amplifier IC delivering 1.3W into 8Ω loads from a 2.7V to 5.5V supply. Its high-efficiency design minimizes heat, making it ideal for battery-powered portable devices. Features include depop, differential inputs, short-circuit protection, and shutdown for enhanced audio performance and safety. Housed in a compact 10-VSSOP package, this chip is perfect for space-constrained applications like smartphones, Bluetooth speakers, and portable gaming consoles.
- High Efficiency: Class D operation reduces power loss and extends battery life.
- Integrated Protection: Short-circuit and shutdown features ensure safe operation.
- Low Voltage Operation: Works from 2.7V to 5.5V, compatible with single-cell batteries.
- Compact Package: 10-VSSOP footprint saves board space in miniaturized designs.
Portable Bluetooth Speakers
The LM4667MM/NOPB's 1.3W output into 8Ω and Class D efficiency make it ideal for compact Bluetooth speakers, delivering clear audio with minimal battery drain.
Mobile Phone Speakers
With differential inputs and depop circuitry, this chip reduces pop noise in smartphone speaker amplifiers, enhancing call and media audio quality.
GPS and Navigation Devices
Its low 2.7V minimum supply and shutdown feature enable efficient voice guidance in portable GPS units, extending battery life.
Portable Gaming Consoles
The 1.3W mono output can drive small speakers in handheld gaming devices, offering immersive sound with short-circuit protection for reliability.
Alarm and Siren Drivers
The LM4667's shutdown and protection features make it suitable for battery-powered alarm systems, ensuring loud alerts with safe operation.
DIY Audio Projects
Hobbyists can use this chip in compact audio amplifiers, benefiting from its small 10-VSSOP package and simple external component count.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM4808M | 8-SOIC | 2V ~ 5.5V | 150mW x 2 @ 16Ω |
| LM4671ITLX/NOPB | 9-DSBGA | 2.4V ~ 5.5V | 2.5W x 1 @ 4Ω |
| LM4667MM/NOPB | 10-VSSOP | 2.7V ~ 5.5V | 1.3W x 1 @ 8Ω |
- Q: What is the output power of the LM4667MM/NOPB?
- A: It delivers 1.3W into an 8Ω load, suitable for small speakers in portable devices.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, ideal for Li-ion battery-powered applications.
- Q: Is the LM4667 a Class D amplifier?
- A: Yes, it is a Class D mono amplifier with high efficiency and low heat dissipation.
- Q: What protection features does it include?
- A: It features short-circuit protection, shutdown, depop, and differential inputs for robust operation.
- Q: What package is the LM4667MM/NOPB available in?
- A: It comes in a 10-VSSOP package (10-TFSOP, 10-MSOP, 0.118", 3.00mm width).
LM4667MM/NOPB.pdf
- Q: What is the output power of the LM4667MM/NOPB?
- A: It delivers 1.3W into an 8Ω load, suitable for small speakers in portable devices.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, ideal for Li-ion battery-powered applications.
- Q: Is the LM4667 a Class D amplifier?
- A: Yes, it is a Class D mono amplifier with high efficiency and low heat dissipation.
- Q: What protection features does it include?
- A: It features short-circuit protection, shutdown, depop, and differential inputs for robust operation.
- Q: What package is the LM4667MM/NOPB available in?
- A: It comes in a 10-VSSOP package (10-TFSOP, 10-MSOP, 0.118", 3.00mm width).
