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LM4935 Datasheet Audio Sub-System

Manufacturer: National Semiconductor (now Texas Instruments)

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General Description

The LM4935 is an integrated audio subsystem that supports both analog and digital audio functions.

The LM4935 includes a high quality stereo DAC, a mono ADC, a multipurpose SAR ADC, a stereo headphone amplifier, which supports output cap-less (OCL) or AC-coupled (SE)modes of operation, a mono earpiece amplifier and a mono high efficiency loudspeaker amplifier.

It is designed for demanding applications in mobile phones and other portable devices.

Overview

LM4935 Audio Sub-System with Dual-Mode Stereo Headphone & Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC October 2005 LM4935 Audio Sub-System with Dual-Mode Stereo Headphone & www.datasheet4u.com Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC 1.

Key Features

  • a bi-directional I2S serial interface for full range audio and an I2C or SPI compatible interface for control. The stereo DAC path features an SNR of 88 dB with an 18-bit 48 kHz input. In SE mode the headphone amplifier delivers at least 33 mWRMS to a 32Ω single-ended stereo load with less than 1% distortion (THD+N) when A_VDD = 3.3V. The mono earpiece amplifier delivers at least 115 mWRMS to a 32Ω bridged-tied load with less than 1% distortion (THD+N) when A_VDD = 3.3V. The mono speaker amplifi.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
National Semiconductor Corporation Logo LM49352 Mono Class D Audio Codec Subsytem National Semiconductor Corporation

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