BL34119 PDF Datasheet

电话机低压音频放大电路 概述： BL34119 为低功率音频放大集成电路，该电 路适用于电话（例如：扬声器电话机）的低功率 音频放大器。它可以在低电源电压（最低为 2V） 的条件下以最大的差动输出方式驱动扬声器，不 需要耦合电容开环增益可达 80dB，闭环增益可 以通过两个外设电阻设

BL34118 Voice Switched Speakerphone Circuit BL34118 The BL34118 Voice Switched Speakerphone Circuit incorporates the necessary amplifiers, attenuators, level detectors, and control algorithm to form the heart of a high quality hands-free speakerphone system.

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ISSUED DATE :2005/02/18 REVISED DATE : G P 3 4 11 9 Description LOW POWER AUDIO AMPLIFIER The GP34119 is a low power audio amplifier integrated circuit intended (primarily) for telephone applications, such as in speakerphones. It provides differential speak

TECHNICAL DATA IL34119 Low Power Audio Amplifier The IL34119 is a low power audio amplifier integrated circuit intended (primarily) for telephone applications, such as in speakerphones. It provides differential speaker outputs to maximize output swing at low supply voltages (2