LOW POWER AUDIO AMPLIFIER

DESCRIPTION The UTC MC34119 is a low power audio amplifier integrated circuit, intended for the telephone applications, such as in speakerphones. It provides differential speaker outputs to maximize output swing at low supply voltages. Coupling capacitor to the speaker is not required. Open loop

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Low Power Audio Amplifier

Low Power Audio Amplifier The 34119 is a low power audio amplifier integrated circuit intended for telephone applications, such as in speakerphones. It provides differential speaker outputs to maximize output swing at low supply voltages (2.0 V minimum). Coupling capacitors to the speaker are

文件：486.71 Kbytes 页数：17 Pages

freescaleFreescale Semiconductor, Inc

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LOW POWER AUDIO AMPLIFIER

文件：271.88 Kbytes 页数：12 Pages

freescaleFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

Low Power Audio Amplifier

文件：406.71 Kbytes 页数：11 Pages

ARTSCHIP

LOW POWER AUDIO AMPLIFIER

文件：295.21 Kbytes 页数：8 Pages

UTC

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LOW POWER AUDIO AMPLIFIER

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UTC

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低压音频放大器

MC34119是一款主要应用于电话（例如带扬声器的电话）的低压音频放大集成电路，可以在低电源电压条件下输出大摆幅差分信号驱动扬声器，而且扬声器无需耦合电容。MC34119的开环增益可以达到80dB，闭环增益由外接的两个电阻设定。MC34119有一个脚位控制芯片关闭实现静音功能。 • 电源电压范围宽: 2.0V ~ 16.0V\r\n\r\n• 低静态电流: ICC=2.7mA典型 (VCC=3.0V)\r\n\r\n• 输出功率: Po=250mW @ Vcc=6V, RL=32Ω, THD=10%\r\n\r\n• 负载范围宽: 8Ω ~ 100Ω\r\n\r\n• 使能脚关断芯片\r\n\r\n• 低失真度\r\n\r\n• 音频段内增益可以在0dB至46dB之间调节\r\n\r\n• 低关断电流 (Icc=65μA典型)\r\n\r\n• 封装形式: SOP-8;

MC Devices

美芯

电话机低压音频放大电路

\n MC34119：是一个低功耗音频放大器集成电路用于电话应用（主要）在免提电话等。它提供差分扬声器输出，以最大限度地提高在低电源电压输出摆幅（最低2.0伏）。电容耦合到扬声器不是必需的。开环增益为80 dB，闭环增益是通过两个外部电阻设置。 A芯片禁用引脚允许断电和/或静音输入信号。 IL34119是一个标准的8引脚DIP或表面贴装封装 *宽工作电源电压范围（2-16伏特） - 允许电话线路供电应用*低静态电源电流为电池供电的应用*芯片的IC断电禁用输入*低功耗下的静态电流*驱动器的扬声器负载范围（8-100Ω）*输出功率超过250毫瓦，32Ω扬声器*低总谐波失真*46分贝语音频带*的增益调节需要很少的外部元件;

HGSEMI

华冠

LOW VOLTAGE AUDIO POWER AMPLIFIER

The UTC MC34119 is a low power audio amplifier IC intended for the telephone applications, such as in speakerphones. It provides differential speaker outputs to maximize output swing at low supply voltages. Coupling capacitor to the speaker is not required. Open loop gain is 80dB, and the closed loo • Wide operating supply voltage: VCC=2V~16V \n• Medium power output over 250mW at VCC=6V, \n• ＜• 10% \n• Low total harmonic distortion (0.5% typ) \n• Minimum number of external parts required;

UTC

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Low Power Audio Amplifier

Low Power Audio Amplifier The 34119 is a low power audio amplifier integrated circuit intended for telephone applications, such as in speakerphones. It provides differential speaker outputs to maximize output swing at low supply voltages (2.0 V minimum). Coupling capacitors to the speaker are

文件：486.71 Kbytes 页数：17 Pages

freescaleFreescale Semiconductor, Inc

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