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LME49723-双路高保真音频运算放大器
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TI产品 - LME49723介绍

LME49723 - 双路高保真音频运算放大器

LME49723是TI德州仪器公司的一款音频运算放大器产品，LME49723是双路高保真音频运算放大器，本站介绍了LME49723的封装应用图解、特点和优点、功能等，并给出了与LME49723相关的TI元器件型号供参考。

LME49723 - 双路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 LME49723 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 LME49723 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LME49723 combines extremely low voltage noise density (3.6nV/√Hz) with vanishingly low THD+N (0.0002%) to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LME49723 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 LME49723's outstanding CMRR (100dB), PSRR (100dB), and VOS (0.3mV) give the amplifier excellent operational amplifier DC performance.

The LME49723 has a wide supply range of ±2.5V to ±17V. Over this supply range the LME49723’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LME49723 is unity gain stable.

The LME49723 is available in an 8–lead narrow body SOIC package. 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 100dB (typ)
  • SOIC Package

Key Specifications

  • Power Supply Voltage Range: ±2.5 to ±17 V
  • THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz)
    • RL = 2k?: 0.0002 % (typ)
    • RL = 600?: 0.0002 % (typ)
  • Input Noise Density: 3.6 nV/√Hz (typ)
  • Slew Rate: ±8 V/μs (typ)
  • Gain Bandwidth Product: 17 MHz (typ)
  • Open Loop Gain (RL = 600?): 105 dB (typ)
  • Input Bias Current: 200 nA (typ)
  • Input Offset Voltage: 0.3 mV (typ)

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