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 (V<sub>DD)
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