Texas Instruments LM4861
The LM4861 is a bridge-connected audio power amplifier capable of delivering 1.1W of continuous average power to an 8Ω load with 1% THD+N using a 5V power supply. The LM4861 features an externally controlled, lowpower consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. The unity-gain stable LM4861 can be configured by external gain-setting resistors for differential gains of up to 10 without the use of external compensation components.| Part No. | LM4861 |
|---|---|
| Datasheet | LM4861 Download |
| Manufacturer |  Texas Instruments |
| Description | 1.1W Audio Power Amplifier |
| Buy | Stock & Price |
FEATURES
1●2 No output coupling capacitors, bootstrap capacitors, or snubber circuits are necessary
● Small Outline (SOIC) packaging
● Compatible with PC power supplies
● Thermal shutdown protection circuitry
● Unity-gain stable
● External gain configuration capability
APPLICATIONS
● Personal computers● Portable consumer products
● Self-powered speakers
● Toys and games KEY SPECIFICATIONS
● THD+N for 1kHz at 1W continuous average output power into 8Ω 1.0% (max)
● Output power at 10% THD+N at 1kHz into 8Ω 1.5 W (typ)
● Shutdown Current 0.6µA (typ)
DESCRIPTION
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging. Since the LM4861 does not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is optimally suited for low-power portable systems. Higher gains may be achieved with suitable compensation. Connection Diagram Figure 1. 8-Lead SOIC - Top...
