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LM4859 Datasheet(PDF) 1 Page - Texas Instruments |
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LM4859 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 30 page LM4859 www.ti.com SNAS256E – MAY 2004 – REVISED MAY 2013 LM4859 Stereo 1.2W Audio Sub-system with 3D Enhancement Check for Samples: LM4859 1 FEATURES KEY SPECIFICATIONS 2 • Stereo Speaker Amplifier • POUT, Stereo Loudspeakers, 4Ω, 5V, 1% THD+N (LM4859SP), 1.6W (Typ) • Stereo Headphone Amplifier • POUT, Stereo Loudspeakers, 8Ω, 5V, • Independent Left, Right, and Mono Volume 1% THD+N, 1.2W (Typ) Controls • POUT, Stereo Headphones, 32Ω, 5V, • Texas Instruments 3D Enhancement 1% THD+N, 75mW (typ) • I2C Compatible Interface • POUT, Stereo Loudspeakers, 8Ω, 3.3V, • Ultra Low Shutdown Current 1% THD+N, 495mW (typ) • Click and Pop Suppression Circuit • POUT, Stereo Headphones, 32Ω, 3.3V, • 10 Distinct Output Modes 1% THD+N, 33mW (typ) • Thermal Shutdown Protection • Shutdown Current, 0.06 μA (typ) • Available in DSBGA and UQFN packages DESCRIPTION APPLICATIONS The LM4859 is an integrated audio sub-system designed for stereo cell phone applications. • Cell Phones Operating on a 3.3V supply, it combines a stereo • PDAs speaker amplifier delivering 495mW per channel into • Portable Gaming Devices an 8 Ω load and a stereo headphone amplifier delivering 33mW per channel into a 32 Ω load. It • Internet Appliances integrates the audio amplifiers, volume control, mixer, • Portable DVD/CD/AAC/MP3 Players power management control, and Texas Instruments 3D enhancement all into a single package. In addition, the LM4859 routes and mixes the stereo and mono inputs into 10 distinct output modes. The LM4859 is controlled through an I2C compatible interface. Other features include an ultra-low current shutdown mode and thermal shutdown protection. Boomer audio power amplifiers are designed specifically to provide high quality output power with a minimal amount of external components. The LM4859 is available in a 30–bump TL package and a 28–lead UQFN 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 © 2004–2013, 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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