National Semiconductor LM4819MX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 1.31 | Dhs. 1.31 |
| 15+ | Dhs. 1.28 | Dhs. 19.20 |
| 25+ | Dhs. 1.25 | Dhs. 31.25 |
| 50+ | Dhs. 1.18 | Dhs. 59.00 |
| 100+ | Dhs. 1.04 | Dhs. 104.00 |
| N+ | Dhs. 0.21 | 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 | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 350mW x 1 @ 16Ohm |
| Voltage - Supply | 2V ~ 5.5V |
| Features | Depop, Differential Inputs, Shutdown |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 8-SOIC |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
The LM4819MX is a mono Class AB audio amplifier from National Semiconductor, delivering 350mW into a 16Ω load. Operating from 2V to 5.5V, it features depop circuitry, differential inputs, and a shutdown mode for power savings. The 8-SOIC package offers a compact footprint, making it ideal for portable devices like Bluetooth speakers, radios, and intercoms. This amplifier provides efficient, low-distortion audio amplification.
- Low Voltage Operation: Works from 2V, enabling single-cell battery use.
- Depop Circuitry: Eliminates power-up and shutdown transients.
- Differential Inputs: Reduces noise and improves signal integrity.
- Compact SOIC Package: 8-SOIC footprint for space-constrained designs.
Portable Bluetooth Speakers
The LM4819MX's 350mW output into 16Ω is ideal for small speakers in Bluetooth devices, while the low 2V minimum supply allows operation from a single cell.
AM/FM Radios
Its low noise and depop feature make it suitable for portable radios, providing clean audio without startup pops.
Intercom Systems
The differential inputs reduce noise pickup in intercom systems, ensuring clear voice transmission.
Line Drivers
With its differential inputs, the LM4819MX can drive audio signals over longer distances with improved noise immunity.
Alarm Drivers
The 350mW output is sufficient for small alarm speakers in low-power security systems.
DIY Projects
Hobbyists appreciate the simple SOIC package and built-in depop for easy integration into custom audio projects.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM4819MX | 8-SOIC | 2V ~ 5.5V | 350mW x 1 @ 16Ω |
| LM4862MX | 8-SOIC | 2.7V ~ 5.5V | 825mW x 1 @ 8Ω |
| LM4906GR | 16-BGA (2.5x5.5) | 2.6V ~ 5.5V | 1W x 1 @ 8Ω |
- Q: What is the output power of the LM4819MX?
- A: It delivers 350mW into a 16Ω load, suitable for portable audio applications.
- Q: What is the supply voltage range?
- A: The LM4819MX operates from 2V to 5.5V, ideal for low-voltage battery-powered devices.
- Q: Is this amplifier mono or stereo?
- A: It is a mono (1-channel) Class AB amplifier.
- Q: What special features does the LM4819MX have?
- A: It includes depop circuitry, differential inputs, and a shutdown mode.
- Q: What package is the LM4819MX available in?
- A: It comes in an 8-SOIC package (0.154", 3.90mm Width).
LM4819MX.pdf
- Q: What is the output power of the LM4819MX?
- A: It delivers 350mW into a 16Ω load, suitable for portable audio applications.
- Q: What is the supply voltage range?
- A: The LM4819MX operates from 2V to 5.5V, ideal for low-voltage battery-powered devices.
- Q: Is this amplifier mono or stereo?
- A: It is a mono (1-channel) Class AB amplifier.
- Q: What special features does the LM4819MX have?
- A: It includes depop circuitry, differential inputs, and a shutdown mode.
- Q: What package is the LM4819MX available in?
- A: It comes in an 8-SOIC package (0.154", 3.90mm Width).
