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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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

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FREESCALEFreescale Semiconductor, Inc

飛思卡爾飛思卡爾半導(dǎo)體

LOW POWER AUDIO AMPLIFIER

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FREESCALEFreescale Semiconductor, Inc

飛思卡爾飛思卡爾半導(dǎo)體

Low Power Audio Amplifier

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ARTSCHIP

LOW POWER AUDIO AMPLIFIER

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UTC

友順

LOW POWER AUDIO AMPLIFIER

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UTC

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低壓音頻放大器

MC34119是一款主要應(yīng)用于電話（例如帶揚(yáng)聲器的電話）的低壓音頻放大集成電路，可以在低電源電壓條件下輸出大擺幅差分信號(hào)驅(qū)動(dòng)揚(yáng)聲器，而且揚(yáng)聲器無(wú)需耦合電容。MC34119的開(kāi)環(huán)增益可以達(dá)到80dB，閉環(huán)增益由外接的兩個(gè)電阻設(shè)定。MC34119有一個(gè)腳位控制芯片關(guān)閉實(shí)現(xiàn)靜音功能。 ? 電源電壓范圍寬: 2.0V ~ 16.0V\r\n\r\n? 低靜態(tài)電流: ICC=2.7mA典型 (VCC=3.0V)\r\n\r\n? 輸出功率: Po=250mW @ Vcc=6V, RL=32Ω, THD=10%\r\n\r\n? 負(fù)載范圍寬: 8Ω ~ 100Ω\r\n\r\n? 使能腳關(guān)斷芯片\r\n\r\n? 低失真度\r\n\r\n? 音頻段內(nèi)增益可以在0dB至46dB之間調(diào)節(jié)\r\n\r\n? 低關(guān)斷電流 (Icc=65μA典型)\r\n\r\n? 封裝形式: SOP-8;

MC Devices

美芯

電話機(jī)低壓音頻放大電路

\n MC34119：是一個(gè)低功耗音頻放大器集成電路用于電話應(yīng)用（主要）在免提電話等。它提供差分揚(yáng)聲器輸出，以最大限度地提高在低電源電壓輸出擺幅（最低2.0伏）。電容耦合到揚(yáng)聲器不是必需的。開(kāi)環(huán)增益為80 dB，閉環(huán)增益是通過(guò)兩個(gè)外部電阻設(shè)置。 A芯片禁用引腳允許斷電和/或靜音輸入信號(hào)。 IL34119是一個(gè)標(biāo)準(zhǔn)的8引腳DIP或表面貼裝封裝 *寬工作電源電壓范圍（2-16伏特） - 允許電話線路供電應(yīng)用*低靜態(tài)電源電流為電池供電的應(yīng)用*芯片的IC斷電禁用輸入*低功耗下的靜態(tài)電流*驅(qū)動(dòng)器的揚(yáng)聲器負(fù)載范圍（8-100Ω）*輸出功率超過(guò)250毫瓦，32Ω揚(yáng)聲器*低總諧波失真*46分貝語(yǔ)音頻帶*的增益調(diào)節(jié)需要很少的外部元件;

HGSEMI

華冠

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 頁(yè)數(shù)：17 Pages

FREESCALEFreescale Semiconductor, Inc

飛思卡爾飛思卡爾半導(dǎo)體