LME49710 - 高性能、高保真音频运算放大器

LME49710是TI德州仪器公司的一款音频运算放大器产品，LME49710是高性能、高保真音频运算放大器，本站介绍了LME49710的封装应用图解、特点和优点、功能等，并给出了与LME49710相关的TI元器件型号供参考。

LME49710 - 高性能、高保真音频运算放大器 - 音频运算放大器 - 运算放大器(OpAmp) - 德州仪器

产品描述

The LME49710 is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series optimized and fully specified for high-performance, high-fidelity applications. Combining advanced leading-edge process technology with state-of-the-art circuit design, the LME49710 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LME49710 combines extremely low-voltage noise density (2.5nV/Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LME49710 has a high slew rate of ±20V/μs and an output current capability of ±26mA. Further, dynamic range is maximized by an output stage that drives 2k? loads to within 1V of either power supply voltage and to within 1.4V when driving 600? loads.

The LME49710's outstanding CMRR (120dB), PSRR (120dB), and VOS (0.05mV) give the amplifier excellent operational amplifier DC performance.

The LME49710 has a wide supply range of ±2.5V to ±17V. Over this supply range the LME49710’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low-input bias current. The LME49710 is unity gain stable. The Audio Operational Amplifier achieves outstanding AC performance while driving complex loads with values as high as 100pF.

The LME49710 is available in an 8-lead narrow body SOIC, an 8-lead PDIP, and an 8-lead TO-99. Demonstration boards are available for each package.

产品特性

Easily Drives 600? Loads
Optimized for Superior Audio Signal Fidelity
Output Short Circuit Protection
PSRR and CMRR Exceed 120dB (Typ)
SOIC, PDIP, and TO-99 Packages

Key Specifications

Power Supply Voltage Range: ±2.5V to ±17V
THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz)
- RL = 2k?: 0.00003% (typ)
- RL = 600?: 0.00003% (typ)
Input Noise Density: 2.5nV/√Hz (typ)
Slew Rate: ±20V/μs (typ)
Gain Bandwidth Product: 55MHz (typ)
Open Loop Gain (RL = 600?): 140dB (typ)
Input Bias Current: 7nA (typ)
Input Offset Voltage: 0.05mV (typ)
DC Gain Linearity Error: 0.000009%

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