5V, Differential Input, DirectDrive, 130mW Stereo Headphone Amplifiers with Shutdown

General Description The MAX9722A/MAX9722B stereo headphone amplifiers are designed for portable equipment where board space is at a premium. The MAX9722A/MAX9722B use a unique, patented DirectDrive architecture to produce a ground-referenced output from a single supply, eliminating the need for l

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5V、差分输入、DirectDrive、130mW立体声耳机放大器，带有关断

MAX9722A/MAX9722B立体声耳机放大器是针对那些电路板空间很有限的便携设备而设计的。MAX9722A/MAX9722B采用独特的DirectDrive®结构，在单电源供电下能产生以地为参考的输出，从而省去了大容量隔直电容，节省了成本、电路板空间以及元件高度。此外，放大器的增益也由内部设定(-2V/V、MAX9722B)，或外部调整(MAX9722A)。MAX9722A/MAX9722B每个通道可向16Ω负载输出70mW，或向32Ω负载输出130mW，THD+N仅为0.009%。217Hz时80dB的电源抑制比(PSRR)使该器件可以在没有附加线性调节器的情况下，在嘈杂的数字 \n• 工作在2.4V至5.5V的单电源下 \n• 高PSRR (217Hz时80dB)无需LDO \n• 无需大容量隔直电容 \n• 以地为参考的输出省去了耳机接地引脚的DC偏置电压 \n• 不会因为输出电容而使低频响应变差 \n• 差分输入增强了噪声抑制能力 \n• 可调增益(MAX9722A)或固定增益-2V/V (MAX9722B) \n• 每个通道输出130mW给32Ω负载 \n• THD+N仅0.009% \n• 集成咔嗒声/噼噗声抑制 \n• 低静态电流(5.5mA) \n• 短路和过热保护 \n• 放大器输出端具有±8kV ESD保护(人体模型) \n• 采用节省空间的;

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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

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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：3.34782 Mbytes 页数：19 Pages

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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 页数：19 Pages

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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：3.34782 Mbytes 页数：19 Pages

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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 页数：19 Pages

Maxim

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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 页数：19 Pages

Maxim

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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：3.34782 Mbytes 页数：19 Pages

Maxim

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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 页数：19 Pages

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