The LM4936MH is a sophisticated audio subsystem from Texas Instruments, designed to cater to the demanding requirements of portable applications. This integrated circuit is a testament to Texas Instruments' commitment to providing high-quality audio solutions that combine functionality with compact design.
Key Features
- Integrated Audio System: The LM4936MH is a fully integrated audio system that combines a stereo headphone amplifier, a mono earpiece amplifier, and a mono speaker amplifier. This integration allows for a reduction in component count and board space, making it ideal for space-constrained applications.
- High-Quality Sound: With advanced circuitry, the LM4936MH delivers high-quality sound output, ensuring a clear and dynamic audio experience for the end-user.
- Power Efficiency: Designed with power efficiency in mind, the LM4936MH is optimized for battery-powered devices, contributing to extended battery life without compromising audio performance.
- Versatility: The versatility of the LM4936MH makes it suitable for a wide range of portable devices, including mobile phones, tablets, and personal media players.
- Programmable Gain: It features programmable gain settings for the speaker and headphone outputs, allowing customization to match the audio characteristics of different devices.
Technical Specifications
| Parameter |
Value |
| Supply Voltage (VDD) |
2.4V to 5.5V |
| Output Power (Speaker) |
495mW (typ) into an 8Ω load |
| Headphone Amplifier |
Stereo with 34mW output per channel |
| Package |
Micro SMD |
| Operating Temperature |
-40°C to 85°C |
Applications
The LM4936MH is an excellent choice for developers looking to incorporate a high-quality audio subsystem into their portable device designs. Its small form factor, combined with its impressive audio capabilities, makes it a popular choice for the following applications:
- Mobile Phones
- Tablets
- Personal Digital Assistants (PDAs)
- Portable Media Players
- Notebook Computers