National Semiconductor LM4674ATLX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 1.80 | Dhs. 1.80 |
| 15+ | Dhs. 1.76 | Dhs. 26.40 |
| 25+ | Dhs. 1.72 | Dhs. 43.00 |
| 50+ | Dhs. 1.62 | Dhs. 81.00 |
| 100+ | Dhs. 1.43 | Dhs. 143.00 |
| N+ | Dhs. 0.29 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | Boomer®, PowerWise® |
| Packaging | Bulk | |
| Part Status | Active |
| Type | Class D |
| Output Type | 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 2.5W x 2 @ 4Ohm |
| Voltage - Supply | 2.4V ~ 5.5V |
| Features | Depop, Differential Inputs, PWM, Short-Circuit Protection, Shutdown |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 16-DSBGA (2.5x2.12) |
| Package / Case | 16-WFBGA, DSBGA |
| ROHS |
This stereo Class D audio amplifier delivers 2.5W per channel into 4Ω loads, operating from 2.4V to 5.5V. Features include depop circuitry, differential inputs, PWM modulation, short-circuit protection, and shutdown. The ultra-compact 16-DSBGA package is ideal for space-constrained portable designs. Perfect for Bluetooth speakers, laptops, gaming consoles, and USB-powered audio systems.
- Stereo Output: 2.5W per channel into 4Ω for immersive audio.
- High Efficiency: Class D PWM design minimizes heat and extends battery life.
- Integrated Protection: Short-circuit and shutdown features enhance reliability.
- Compact Footprint: 16-DSBGA (2.5x2.12mm) saves PCB space.
- Low Noise: Differential inputs and depop reduce audible artifacts.
Portable Bluetooth Speaker (Stereo)
The LM4674ATLX's 2.5W per channel into 4Ω provides rich stereo sound for compact Bluetooth speakers, with Class D efficiency for long playback.
Laptop/Tablet Audio
Its small DSBGA package and low voltage operation make it ideal for internal stereo speakers in laptops and tablets.
Portable Gaming Console
Differential inputs reduce noise, while the 2.5W output delivers immersive audio for handheld gaming devices.
USB-Powered Speaker System
Operating from 5V USB power, this amplifier drives stereo speakers for desktop or monitor-mounted setups.
Car Audio Auxiliary Amplifier
With short-circuit protection and shutdown, it is suitable for aftermarket car audio systems powered by 5V USB or battery.
DIY Stereo Amplifier Project
Hobbyists can build a compact stereo amp with minimal external components using the LM4674ATLX.
| 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 |
| LM4892IBPX | 8-uSMD | 2.2V ~ 5.5V | 1W x 1 @ 8Ω |
- Q: What is the output power of the LM4674ATLX?
- A: It delivers 2.5W per channel into 4Ω loads (stereo).
- Q: What is the supply voltage range?
- A: It operates from 2.4V to 5.5V.
- Q: What protection features does it include?
- A: It has short-circuit protection, shutdown, and depop circuitry.
- Q: Is this a Class D amplifier?
- A: Yes, it is a stereo Class D amplifier with PWM modulation.
- Q: What package is used?
- A: It comes in a 16-DSBGA (2.5x2.12mm) package.
- Q: What is the output power of the LM4674ATLX?
- A: It delivers 2.5W per channel into 4Ω loads (stereo).
- Q: What is the supply voltage range?
- A: It operates from 2.4V to 5.5V.
- Q: What protection features does it include?
- A: It has short-circuit protection, shutdown, and depop circuitry.
- Q: Is this a Class D amplifier?
- A: Yes, it is a stereo Class D amplifier with PWM modulation.
- Q: What package is used?
- A: It comes in a 16-DSBGA (2.5x2.12mm) package.

LM4674ATLX.pdf