Overview
The LM4808MX is a 0.15 W, 2-channel audio amplifier IC manufactured by National Semiconductor (now part of Texas Instruments). This device is designed for low-power audio applications and is housed in an SOIC-8 package, making it suitable for compact electronic designs. The LM4808MX targets consumer electronics, particularly portable audio devices, where efficient and reliable audio amplification is required. Its key selling points include low power consumption, a wide operating voltage range, and industrial-grade temperature tolerance, making it a competitive choice for cost-sensitive and space-constrained applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Power | 0.15 | W | Nominal |
| Channels | 2 | - | Stereo |
| Operating Voltage | 2 to 5.5 | V | Wide range |
| Operating Temperature | -40 to 85 | °C | Industrial grade |
| Package | SOIC-8 | - | Surface mount |
| Bandwidth | 20 | kHz | Nominal |
| Slew Rate | 3 | mA | Maximum |
| Peak Reflow Temperature | 235 | °C | Maximum |
| Terminal Finish | Tin/Lead (Sn/Pb) | - | Legacy finish |
| Humidity Sensitivity | 1 | - | MSL rating |
Key Features
- Low power consumption for portable applications.
- Wide operating voltage range (2 V to 5.5 V).
- Industrial-grade temperature tolerance (-40°C to 85°C).
- Compact SOIC-8 package for space-constrained designs.
- Stereo audio output with 2-channel support.
Applications
The LM4808MX is widely used in portable audio devices such as MP3 players, headphones, and small speakers. It is also suitable for consumer electronics like gaming consoles, portable radios, and other low-power audio amplification systems. Its industrial-grade temperature tolerance makes it adaptable for automotive audio systems and other environments with varying temperature conditions.
Q & A
1. What is the output power of the LM4808MX?
The nominal output power is 0.15 W.
2. What is the operating voltage range?
The operating voltage range is 2 V to 5.5 V.
3. Is the LM4808MX suitable for portable devices?
Yes, its low power consumption and compact package make it ideal for portable audio devices.
4. What is the temperature range for operation?
It operates within a temperature range of -40°C to 85°C.
5. How many channels does the LM4808MX support?
It supports 2 channels for stereo audio output.
6. What package does the LM4808MX use?
It uses an SOIC-8 surface-mount package.
7. Is the LM4808MX RoHS compliant?
No, it is not RoHS compliant due to its tin/lead terminal finish.
8. What is the peak reflow temperature?
The peak reflow temperature is 235°C.
9. Can the LM4808MX be used in automotive applications?
Yes, its industrial-grade temperature tolerance makes it suitable for automotive audio systems.
10. What is the bandwidth of the LM4808MX?
The nominal bandwidth is 20 kHz.
