2 Cell, Single Ended Output, 40mW Stereo Headphone Audio Amplifier

文件：1.046079 Mbytes 页数：15 Pages

NSCNational Semiconductor (TI)

美国国家半导体美国国家半导体公司

2 Cell, Single Ended Output, 40mW Stereo Headphone Audio Amplifier

文件：1.046079 Mbytes 页数：15 Pages

NSCNational Semiconductor (TI)

美国国家半导体美国国家半导体公司

具有接地参考耳机放大器的增强型排放抑制立体声 D 类音频子系统

The LM49250 is a fully integrated audio subsystem designed for stereo cell phone applications. The LM49250 combines a 2.4W/Ch stereo class D speaker amplifiers with a 45mW/Ch stereo ground referenced headphone amplifier, a class AB earpiece amplifier, TI 3D enhancement, volume control, and an input • Output Short Circuit Protection\n• Stereo Filterless Class D Operation\n• Ground Referenced Headphone Drivers\n• 32-Step Input Volume Control\n• Minimum External Components\n• Micro-Power Shutdown\n• Single Supply Operation\n• RL = 4Ω, THD+N ≤ 10%: 2.4W/Ch\n• Headphone:\n• RL = 32Ω, THD+N ≤ 1&;

TI

德州仪器

具有 20mW 耳机放大器的 1.37W 立体声、模拟输入 AB 类音频放大器

The LM49251 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones. Part of TI’s PowerWise family of products, the LM49251 utilizes a high efficiency class G headphone amplifier topology as well as a high efficiency class D loudspeaker.The headphone • Class G Ground Referenced Headphone Outputs \n• No Clip Function\n• I2C Volume and Mode Control\n• Micro-Power Shutdown\n• Class G Headphone Amplifier, HPVDD = 1.8V, RL = 32Ω \n• Output Power, THD+N ≤ 1%: 20 mW (Typ)\n• Stereo Class D Speaker Amplifier RL = 8Ω \n• Output Power, THD+N ≤ 1%,;

TI

德州仪器

包装：盒 类别：开发板，套件，编程器 评估板 - 音频放大器 描述：BOARD EVAL W/LM49250RL

TI2

德州仪器

包装：盒 类别：开发板，套件，编程器 评估板 - 音频放大器 描述：BOARD EVALUATION LM4925MM

TI2

德州仪器

包装：盒 类别：开发板，套件，编程器 评估板 - 音频放大器 描述：BOARD EVALUATION LM4925SD

TI2

德州仪器