National Semiconductor LM4912MM
| 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 | National Semiconductor |
| Product Series | Boomer® |
| Packaging | | |
| Part Status | Active |
| Type | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 145mW x 2 @ 16Ohm |
| Voltage - Supply | 2V ~ 5.5V |
| Features | Mute, Shutdown, Thermal Protection |
| 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) |
The LM4912MM is a stereo headphone amplifier designed for low-power audio applications. Operating from 2V to 5.5V, it delivers 145mW per channel into 16Ω loads with low distortion. Features like mute, shutdown, and thermal protection ensure efficient and safe operation in portable devices. Its compact 10-VSSOP package makes it ideal for space-constrained designs in consumer electronics, medical equipment, and DIY projects.
- Low Voltage Operation: Works from 2V to 5.5V, perfect for battery-powered devices.
- Integrated Protection: Mute, shutdown, and thermal protection enhance reliability.
- Compact Package: 10-VSSOP surface-mount design saves board space.
- Stereo Output: Drives headphones with 145mW per channel for clear audio.
Portable Headphone Amplifier
The LM4912MM's low supply voltage range (2V to 5.5V) and 145mW per channel output make it perfect for driving headphones in portable media players and smartphones, ensuring clear audio with minimal power consumption.
Battery-Powered Audio Devices
With its shutdown and mute features, the LM4912MM conserves battery life in devices like handheld gaming consoles and portable radios, while delivering stereo sound through small speakers or headphones.
Laptop Audio Subsystem
This amplifier can be used in laptops to drive internal speakers or headphone jacks, leveraging its thermal protection to maintain performance during extended use.
Medical Monitoring Equipment
In portable medical devices requiring audio alerts or voice guidance, the LM4912MM provides reliable, low-noise amplification within a compact surface-mount package.
DIY Audio Projects
Hobbyists can use the LM4912MM in custom headphone amps or small stereo projects, benefiting from its easy integration and stable Class AB performance.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM4912MM | 10-VSSOP | 2V ~ 5.5V | 145mW x 2 @ 16Ω |
| LM4913MH | 10-TSSOP | 2.5V ~ 5.5V | 2W x 1 @ 4Ω; 90mW x 2 @ 32Ω |
- Q: What is the supply voltage range for the LM4912MM?
- A: The LM4912MM operates from 2V to 5.5V, making it ideal for battery-powered devices.
- Q: What output power can I expect from this amplifier?
- A: It delivers 145mW per channel into 16Ω loads, suitable for headphone applications.
- Q: Does the LM4912MM include any protection features?
- A: Yes, it features mute, shutdown, and thermal protection for reliable operation.
- Q: What is the amplifier class of the LM4912MM?
- A: It is a Class AB amplifier, offering low distortion and good audio quality.
- Q: What package is the LM4912MM available in?
- A: It comes in a 10-VSSOP surface-mount package (10-TFSOP, 10-MSOP).
LM4912MM.pdf
- Q: What is the supply voltage range for the LM4912MM?
- A: The LM4912MM operates from 2V to 5.5V, making it ideal for battery-powered devices.
- Q: What output power can I expect from this amplifier?
- A: It delivers 145mW per channel into 16Ω loads, suitable for headphone applications.
- Q: Does the LM4912MM include any protection features?
- A: Yes, it features mute, shutdown, and thermal protection for reliable operation.
- Q: What is the amplifier class of the LM4912MM?
- A: It is a Class AB amplifier, offering low distortion and good audio quality.
- Q: What package is the LM4912MM available in?
- A: It comes in a 10-VSSOP surface-mount package (10-TFSOP, 10-MSOP).
