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LM49350 데이터시트(PDF) 2 Page - Texas Instruments |
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LM49350 데이터시트(HTML) 2 Page - Texas Instruments |
2 / 108 page LM49350, LM49350RLEVAL SNAS359D – SEPTEMBER 2008 – REVISED JUNE 2012 www.ti.com DESCRIPTION CONTINUED The LM49350 features dual bi-directional I2S or PCM audio interfaces for full range audio and an I2C compatible interface for control. The stereo DAC path features an SNR of 96dB with 24-bit 48 kHz input. The headphone amplifier delivers 69mWRMS (typ) to a 32Ω single-ended stereo load with less than 1% distortion (THD+N) when A_VDD = 3.3V. The earpiece speaker amplifier delivers 58mWRMS (typ) to a 32Ω bridged-tied load with less than 1% distortion (THD+N) when A_VDD = 3.3V. The loudspeaker amplifier delivers up to 495mW into an 8Ω load with less than 1% distortion when LS_VDD = 3.3V and up to 1.2W when LS_VDD = 5.0V. The LM49350 employs advanced techniques to reduce power consumption, to reduce controller overhead, to speed development time, and to eliminate click and pop. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. It is therefore ideally suited for mobile phone and other low voltage applications where minimal power consumption, PCB area and cost are primary requirements. 2 Submit Documentation Feedback Copyright © 2008–2012, Texas Instruments Incorporated Product Folder Links: LM49350 LM49350RLEVAL |
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