National Semiconductor LM4809LQ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 1.84 | Dhs. 1.84 |
| 15+ | Dhs. 1.79 | Dhs. 26.85 |
| 25+ | Dhs. 1.76 | Dhs. 44.00 |
| 50+ | Dhs. 1.66 | Dhs. 83.00 |
| 100+ | Dhs. 1.46 | Dhs. 146.00 |
| N+ | Dhs. 0.29 | 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 | 105mW x 2 @ 16Ohm |
| Voltage - Supply | 2V ~ 5.5V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 8-WQFN (2x2) |
| Package / Case | 8-WQFN Exposed Pad |
| ROHS |  |
This stereo headphone amplifier delivers 105mW per channel into 16Ω loads, operating from 2V to 5.5V. The Class AB output ensures low distortion audio. Housed in a compact 8-WQFN (2x2mm) package with exposed pad for thermal management, it is ideal for portable audio players, smartphones, laptops, and tablets.
- Low Distortion: Class AB design provides high-fidelity headphone audio.
- Compact Size: 8-WQFN (2x2mm) saves space in portable devices.
- Wide Supply Range: 2V to 5.5V compatible with Li-ion batteries.
- Stereo Output: Drives two channels for immersive listening.
Portable MP3 Player
The LM4809LQ/NOPB delivers 105mW per channel into 16Ω headphones, providing clear audio for personal music players.
Smartphone Headphone Amplifier
Its low voltage operation and small 8-WQFN package make it ideal for internal headphone amplification in smartphones.
Laptop Audio Circuit
Drives stereo headphones with low distortion, enhancing the listening experience in notebooks.
Portable Gaming Device
Provides sufficient power for gaming headsets with 16Ω or 32Ω impedance.
Tablet Audio Output
Compact footprint and low power consumption suit tablet designs for headphone jacks.
DIY Headphone Amplifier
Hobbyists can build a high-quality stereo headphone amp using this IC with minimal components.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| MAX9700CEBC | 10-UCSP | 2.5V ~ 5.5V | 1.6W x 1 @ 6Ω |
| LM4674ATLX | 16-DSBGA | 2.4V ~ 5.5V | 2.5W x 2 @ 4Ω |
| FAN7021M | 8-SOP | 2V ~ 5.5V | 1.5W x 1 @ 8Ω |
| LM4809LQ/NOPB | 8-WQFN | 2V ~ 5.5V | 105mW x 2 @ 16Ω |
- Q: What is the output power of the LM4809LQ/NOPB?
- A: It delivers 105mW per channel into 16Ω loads (stereo headphone).
- Q: What is the supply voltage range?
- A: It operates from 2V to 5.5V.
- Q: Is this a headphone amplifier?
- A: Yes, it is a stereo headphone amplifier with Class AB output.
- Q: What package is available?
- A: It comes in an 8-WQFN (2x2mm) with exposed pad.
- Q: What are typical applications?
- A: It is used in portable audio players, smartphones, and laptops.
LM4809LQ/NOPB.pdf
- Q: What is the output power of the LM4809LQ/NOPB?
- A: It delivers 105mW per channel into 16Ω loads (stereo headphone).
- Q: What is the supply voltage range?
- A: It operates from 2V to 5.5V.
- Q: Is this a headphone amplifier?
- A: Yes, it is a stereo headphone amplifier with Class AB output.
- Q: What package is available?
- A: It comes in an 8-WQFN (2x2mm) with exposed pad.
- Q: What are typical applications?
- A: It is used in portable audio players, smartphones, and laptops.
