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LM4861M-NOPB bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM4861M-NOPB bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 20 page LM4861 www.ti.com SNAS095C – MAY 1997 – REVISED MAY 2013 LM4861 1.1W Audio Power Amplifier with Shutdown Mode Check for Samples: LM4861 1 FEATURES DESCRIPTION The LM4861 is a bridge-connected audio power 2 • No output coupling capacitors, bootstrap amplifier capable of delivering 1.1W of continuous capacitors, or snubber circuits are necessary average power to an 8 Ω load with 1% THD+N using • Small Outline (SOIC) packaging a 5V power supply. • Compatible with PC power supplies Boomer audio power amplifiers were designed • Thermal shutdown protection circuitry specifically to provide high quality output power with a minimal amount of external components using • Unity-gain stable surface mount packaging. Since the LM4861 does • External gain configuration capability not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is optimally suited APPLICATIONS for low-power portable systems. • Personal computers The LM4861 features an externally controlled, low- • Portable consumer products power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. • Self-powered speakers • Toys and games 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 KEY SPECIFICATIONS components. Higher gains may be achieved with • THD+N for 1kHz at 1W continuous average suitable compensation. output power into 8 Ω 1.0% (max) • Output power at 10% THD+N at 1kHz into 8 Ω 1.5 W (typ) • Shutdown Current 0.6µA (typ) Connection Diagram Figure 1. 8-Lead SOIC - Top View See D Package 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1997–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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