LME49600TSBD
LME49600 耳机放大器评估板
LME49600TSBD
概述
Overview
The LME49600 is a high performance, low distortion high fidelity 250mA audio buffer. Whereas there are many uses for the LME49600, this application report describes a headphone amplifier circuit and associated demonstration board. Designed for use inside an operational amplifier’s feedback loop, it increases output current, improves capacitive load drive, and eliminates thermal feedback.
The LME49600 offers a pin-selectable bandwidth: a low current, 110MHz bandwidth mode that consumes 8mA and a wide 180 MHz bandwidth mode that consumes 15mA. In both modes the LME49600 has a nominal 2000V/μs slew rate. Bandwidth is easily adjusted by either leaving the BW pin unconnected, connecting a resistor between the BW pin and the VEE pin or connecting the BW pin directly to the VEE pin.
The LME49600 is fully protected through internal current limit and thermal shutdown.
To help the user investigate and evaluate the LME49600's performance and capabilities, a fully populated demonstration board was created. Please contact the Audio Products Group for availability. This board is shown in Figure 1. Connected to an external power supply (±2.5V to ±17V) and a signal source. The LME49600 demonstration board easily demonstrates the amplifier's features.
特性
- RCA jacks, 1/8” stereo headphone jack and 0.100” headers for power supply voltage and the audio input signals
- stereo headphone jack and auxiliary output connections for Audio Output
音频运算放大器
技术文档
| 类型 | 标题 | 下载最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | EVM 用户指南 | LME49600 Headphone Amplifier Evaluation Board User's Guide (Rev. A) | 2013年 5月 3日 | |||
| 证书 | LME49600TSBD EU Declaration of Conformity (DoC) | 2019年 1月 2日 |