LME49721 - 高性能、高保真轨至轨输入/输出音频运算放大器

LME49721是TI德州仪器公司的一款音频运算放大器产品，LME49721是高性能、高保真轨至轨输入/输出音频运算放大器，本站介绍了LME49721的封装应用图解、特点和优点、功能等，并给出了与LME49721相关的TI元器件型号供参考。

LME49721 - 高性能、高保真轨至轨输入/输出音频运算放大器 - 音频运算放大器 - 运算放大器(OpAmp) - 德州仪器

产品描述

The LME49721 is a low-distortion, low-noise Rail-to-Rail Input/Output operational amplifier optimized and fully specified for high-performance, high-fidelity applications. Combining advanced leading-edge process technology with state-of-the-art circuit design, the LME49721 Rail-to-Rail Input/Output operational amplifier delivers superior signal amplification for outstanding performance. The LME49721 combines a very high slew rate with low THD+N to easily satisfy demanding applications. To ensure that the most challenging loads are driven without compromise, the LME49721 has a high slew rate of ±8.5V/μs and an output current capability of ±9.7mA. Further, dynamic range is maximized by an output stage that drives 10k? loads to within 10mV of either power supply voltage.

The LME49721 has a wide supply range of 2.2V to 5.5V. Over this supply range the LME49721’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LME49721 is unity gain stable.

产品特性

Rail-to-Rail Input and Output
Easily Drives 10k? Loads to Within 10mV of Each Power Supply Voltage
Optimized for Superior Audio Signal Fidelity
Output Short Circuit Protection

Key Specifications

Power Supply Voltage Range: 2.2V to 5.5V
Quiescent Current: 2.15mA (typ)
THD+N (AV = 2, VOUT = 4Vp-p, f IN = 1kHz)
- RL = 2k?: 0.00008% (typ)
- RL = 600?: 0.0001% (typ)
Input Noise Density: 4nV/√Hz (typ), @ 1kHz
Slew Rate: ±8.5V/μs (typ)
Gain Bandwidth Product: 20MHz (typ)
Open Loop Gain (RL = 600?): 118dB (typ)
Input Bias Current: 40fA (typ)
Input Offset Voltage: 0.3mV (typ)
PSRR: 103dB (typ)

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