National Semiconductor LM4808LD
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 0.56 | Dhs. 0.56 |
| 15+ | Dhs. 0.55 | Dhs. 8.25 |
| 25+ | Dhs. 0.54 | Dhs. 13.50 |
| 50+ | Dhs. 0.51 | Dhs. 25.50 |
| 100+ | Dhs. 0.45 | Dhs. 45.00 |
| N+ | Dhs. 0.09 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | Boomer® |
| Packaging | Bulk | |
| Part Status | Active |
| Type | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 150mW x 2 @ 16Ohm |
| Voltage - Supply | 2V ~ 5.5V |
| Features | Depop |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 8-WSON (2.5x2.5) |
| Package / Case | 8-WFDFN Exposed Pad |
The LM4808LD is a stereo Class AB headphone amplifier from National Semiconductor, delivering 150mW per channel into 16 Ohm loads. Operating from 2V to 5.5V, it features Depop technology to suppress power-up transients. Housed in a compact 8-WSON package with exposed pad, this IC is ideal for portable audio devices, smartphones, and gaming headsets where low noise and small size are critical.
- Depop Technology: Eliminates audible clicks and pops during power-on/off for a clean audio experience.
- Low Voltage Operation (2V-5.5V): Compatible with single-cell Li-ion batteries and USB power.
- Compact 8-WSON Package: Saves board space in portable and wearable designs.
- Stereo Output with 150mW per Channel: Drives a wide range of headphones with sufficient volume and clarity.
Portable Media Players
The LM4808LD provides 150mW per channel into 16 Ohm headphones, delivering clear stereo audio for MP3 players and portable radios with low power consumption.
Smartphone Headphone Amplifier
Its Depop feature eliminates audible clicks during power-up, enhancing user experience in smartphones and tablets. The 2V-5.5V range suits Li-ion battery supplies.
Gaming Headsets
With low distortion and stereo output, this IC drives high-impedance gaming headphone drivers, providing immersive audio in compact USB or battery-powered headsets.
Portable Audio Docks
The small 8-WSON package allows integration into slim docking stations, amplifying line-level signals for personal listening without external heat sinks.
Medical Monitoring Audio Alerts
Its reliable Class AB operation and wide temperature range (-40°C to 85°C) make it suitable for medical devices requiring clear audio alerts through headphones.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM4808LD | 8-WSON (2.5x2.5) | 2V ~ 5.5V | 150mW x 2 @ 16Ohm |
| LM4808MM | 8-MSOP | 2V ~ 5.5V | 150mW x 2 @ 16Ohm |
| LM4808N | 8-DIP | 2V ~ 5.5V | 150mW x 2 @ 16Ohm |
- Q: What is the output power of the LM4808LD?
- A: It delivers 150mW per channel into 16 Ohm loads, suitable for headphone amplification.
- Q: What is the supply voltage range?
- A: The supply voltage range is 2V to 5.5V, ideal for battery-powered devices.
- Q: Does it include pop suppression?
- A: Yes, the LM4808LD features Depop technology to minimize turn-on/off clicks and pops.
- Q: What is the package type?
- A: It comes in an 8-WSON (2.5x2.5) package with exposed pad for thermal management.
- Q: Is this a stereo amplifier?
- A: Yes, it is a 2-channel (stereo) Class AB amplifier designed for headphone applications.
- Q: What is the output power of the LM4808LD?
- A: It delivers 150mW per channel into 16 Ohm loads, suitable for headphone amplification.
- Q: What is the supply voltage range?
- A: The supply voltage range is 2V to 5.5V, ideal for battery-powered devices.
- Q: Does it include pop suppression?
- A: Yes, the LM4808LD features Depop technology to minimize turn-on/off clicks and pops.
- Q: What is the package type?
- A: It comes in an 8-WSON (2.5x2.5) package with exposed pad for thermal management.
- Q: Is this a stereo amplifier?
- A: Yes, it is a 2-channel (stereo) Class AB amplifier designed for headphone applications.

LM4808LD.pdf