The LM4951ASD/NOPB from Texas Instruments is a high-performance low-voltage audio power amplifier designed for portable audio applications requiring efficient speaker drive, low power consumption, and compact system design.
The device features a bridge-tied load (BTL) output architecture, which allows increased output power compared with traditional single-ended amplifiers while eliminating the need for output coupling capacitors. This design helps reduce external component count and improves overall system efficiency.
LM4951 operates from a low supply voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications. The amplifier provides high-quality audio performance with low distortion and excellent signal integrity for portable speaker systems.
The device integrates features such as thermal shutdown protection, short-circuit protection, and low-power shutdown control, improving system reliability and extending battery life.
The LM4951ASD/NOPB is available in a compact WSON-14 surface-mount package, making it ideal for space-constrained PCB designs. Typical applications include mobile phones, portable speakers, multimedia devices, handheld electronics, and battery-powered audio systems.
Key Features
- Low-voltage audio power amplifier
- TI Boomer™ audio amplifier family
- Bridge-tied load (BTL) output
- Supply voltage range: 2.7V to 5.5V
- High efficiency speaker drive
- Low distortion audio performance
- Shutdown control function
- Thermal shutdown protection
- Short-circuit protection
- Reduced external components
- Package: WSON-14
- Surface mount package
- Suitable for portable audio applications
Reviews
There are no reviews yet.