Differential Input DirectDrive Line Drivers/Headphone Amplifiers

General Description The MAX97220_ is a differential input DirectDrive? line driver/headphone amplifier. This device is capable of driving line level loads with 3VRMS into 1kI with a 5V supply and 2VRMS into 600I loads from a 3.3V supply. A headphone load is capable of being driven with 125mW in

文件：3.41481 Mbytes 頁數(shù)：19 Pages

MAXIM

美信

Differential Input DirectDrive Line Drivers/Headphone Amplifiers

General Description The MAX97220_ is a differential input DirectDrive? line driver/headphone amplifier. This device is capable of driving line level loads with 3VRMS into 1kI with a 5V supply and 2VRMS into 600I loads from a 3.3V supply. A headphone load is capable of being driven with 125mW in

文件：3.41481 Mbytes 頁數(shù)：19 Pages

MAXIM

美信

Differential Input DirectDrive Line Drivers/Headphone Amplifiers

文件：3.42427 Mbytes 頁數(shù)：19 Pages

MAXIM

美信

差分輸入DirectDrive線驅(qū)動器/耳機放大器

MAX97220為差分輸入DirectDrive?線驅(qū)動器/耳機放大器。5V供電時，器件為1kΩ負載提供3VRMS輸出驅(qū)動；3.3V供電時，為600Ω負載提供2VRMS輸出驅(qū)動。5V供電時，器件為32Ω耳機負載提供125mW驅(qū)動。IC具有6dB內(nèi)部固定增益，也可以利用外部電阻設(shè)置增益。外部增益設(shè)置節(jié)點還可以配置成濾波器，以支持機頂盒應(yīng)用。IC在整個音頻頻帶內(nèi)提供優(yōu)異的THD+N。\n\n IC具有兩個不同導(dǎo)通時間(tON)版本，A版、C版和E版的導(dǎo)通時間tON為5.5ms，用于耳機驅(qū)動；B版和D版則具有130ms的tON，用于機頂盒設(shè)計。內(nèi)部電荷泵對輸入電源反相，產(chǎn)生負電源電壓。放大 ? 5V供電時，為32Ω負載提供125mW輸出功率\n? 3.3V供電時，為600Ω負載提供2VRMS輸出驅(qū)動\n? 固定增益或外部可調(diào)增益，無咔嗒/噼噗聲\n? DirectDrive輸出無需隔直流電容\n? 18位，SNR可達112dB \n? 引腳兼容于MAX9722;

ADI

亞德諾