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OPA1662 正在供货 双路 SoundPlus™ 低噪声 (3.3nV/rtHz) 和低失真 (-124dB)、高带宽 (22MHz) 音频运算放大器 Improved noise, distortion and PSRR

产品详情

Rating Catalog Operating temperature range (°C) -40 to 85
Rating Catalog Operating temperature range (°C) -40 to 85
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • Rail-to-Rail Input and Output
  • Easily Drives 10kΩ 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 = 2kΩ: 0.00008% (typ)
    • RL = 600Ω: 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 = 600Ω): 118dB (typ)
  • Input Bias Current: 40fA (typ)
  • Input Offset Voltage: 0.3mV (typ)
  • PSRR: 103dB (typ)

All trademarks are the property of their respective owners.

  • Rail-to-Rail Input and Output
  • Easily Drives 10kΩ 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 = 2kΩ: 0.00008% (typ)
    • RL = 600Ω: 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 = 600Ω): 118dB (typ)
  • Input Bias Current: 40fA (typ)
  • Input Offset Voltage: 0.3mV (typ)
  • PSRR: 103dB (typ)

All trademarks are the property of their respective owners.

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 10kΩ 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.

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 10kΩ 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.

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 High Performance, High Fidelity Rail-to-Rail I/O Audio Operational Amplifier 数据表 (Rev. C) 2013-4-4
电子书 The Signal e-book: 有关运算放大器设计主题的博客文章汇编 PDF | HTML 英语版 PDF | HTML 2018-1-31

设计与开发

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评估板

AMP-PDK-EVM — 放大器高性能开发套件评估模块

放大器高性能开发套件 (PDK) 是一款用于测试常见运算放大器参数的评估模块 (EVM) 套件,与大多数运算放大器和比较器均兼容。该 EVM 套件提供了一个主板,主板上具有多个插槽式子卡选项以满足封装需求,使工程师能够快速评估和验证器件性能。

AMP-PDK-EVM 套件支持五种常用的业界通用封装,包括:

  • D(SOIC-8 和 SOIC-14)
  • PW (TSSOP-14)
  • DGK (VSSOP-8)
  • DBV(SOT23-5 和 SOT23-6)
  • DCK(SC70-5 和 SC70-6)
用户指南: PDF | HTML
支持的产品和硬件
仿真模型

LME49721 PSpice Model

SNAM044.ZIP (18 KB) - PSpice 模型
支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
SOIC (D) 8 Ultra Librarian

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