National Semiconductor LM4864MMX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 1.05 | Dhs. 1.05 |
| 15+ | Dhs. 1.00 | Dhs. 15.00 |
| 25+ | Dhs. 0.98 | Dhs. 24.50 |
| 50+ | Dhs. 0.93 | Dhs. 46.50 |
| 100+ | Dhs. 0.82 | Dhs. 82.00 |
| N+ | Dhs. 0.16 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 675mW x 1 @ 8Ohm |
| Voltage - Supply | 2.7V ~ 5.5V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 8-VSSOP |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
The LM4864MMX is a mono Class AB audio amplifier designed for low-power, battery-operated applications. Operating from 2.7V to 5.5V, it delivers up to 675mW into an 8Ω load, providing clear and efficient audio amplification. Its compact 8-VSSOP surface-mount package enables space-saving designs in portable devices such as Bluetooth speakers, radios, intercoms, and alarm systems. With a wide operating temperature range and simple external circuitry, this amplifier offers a reliable solution for cost-sensitive and performance-oriented audio projects.
- High Output Power: Delivers 675mW into 8Ω, ensuring sufficient volume for portable audio devices.
- Wide Supply Voltage Range: Operates from 2.7V to 5.5V, compatible with single-cell Li-ion batteries and USB power.
- Compact Package: 8-VSSOP footprint saves PCB space, ideal for miniaturized designs.
- Extended Temperature Range: -40°C to 85°C operation ensures reliability in diverse environments.
- Simple Design: Requires minimal external components, reducing BOM cost and design complexity.
Portable Bluetooth Speaker
The LM4864MMX's 675mW output into 8Ω and 2.7V-5.5V supply range make it ideal for compact, battery-powered Bluetooth speakers requiring clear mono audio.
AM/FM Radio Audio Amplifier
With low quiescent current and wide voltage tolerance, this chip is perfect for amplifying the audio output from AM/FM radio receiver modules in portable radios.
Intercom System
Its mono channel and surface-mount package allow for space-efficient integration into intercom units, providing sufficient volume for voice communication in residential or office settings.
Line Driver for Audio Signals
The LM4864MMX can be used as a line driver to boost low-level audio signals from microcontrollers or codecs to drive headphones or auxiliary inputs.
Alarm and Warning Tone Driver
Its robust output stage and thermal protection make it suitable for driving piezo buzzers or small speakers in alarm systems, delivering clear warning tones.
DIY Audio Projects
Hobbyists can easily integrate this amplifier into custom audio projects due to its simple external component requirements and wide operating temperature range (-40°C to 85°C).
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM4864MMX | 8-VSSOP | 2.7V ~ 5.5V | 675mW x 1 @ 8Ω |
| LM4990LD | 10-WSON (3x4) | 2.2V ~ 5.5V | 2W x 1 @ 4Ω |
| NCP2809BMUTXG | 10-UDFN (3x3) | 2.2V ~ 5.5V | 135mW x 2 @ 16Ω |
| FAN7024MUX | 8-MSOP | 2.3V ~ 5.5V | 675mW x 1 @ 8Ω |
- Q: What is the typical output power of the LM4864MMX?
- A: The LM4864MMX delivers 675mW into an 8Ω load at 5V supply.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, making it ideal for battery-powered devices.
- Q: Is the LM4864MMX a mono or stereo amplifier?
- A: It is a 1-channel (mono) Class AB amplifier.
- Q: What package is available?
- A: It comes in an 8-VSSOP (8-TSSOP, 8-MSOP) surface-mount package.
- Q: Can it be used in portable speakers?
- A: Yes, its low voltage operation and high efficiency make it suitable for portable Bluetooth speakers and other battery-powered audio applications.
LM4864MMX.pdf
- Q: What is the typical output power of the LM4864MMX?
- A: The LM4864MMX delivers 675mW into an 8Ω load at 5V supply.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, making it ideal for battery-powered devices.
- Q: Is the LM4864MMX a mono or stereo amplifier?
- A: It is a 1-channel (mono) Class AB amplifier.
- Q: What package is available?
- A: It comes in an 8-VSSOP (8-TSSOP, 8-MSOP) surface-mount package.
- Q: Can it be used in portable speakers?
- A: Yes, its low voltage operation and high efficiency make it suitable for portable Bluetooth speakers and other battery-powered audio applications.
