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LME49720

現行

2 通道、55-MHz、高保真、高性能 RRO 音訊運算放大器

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LME49720

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 34 GBW (typ) (MHz) 55 Slew rate (typ) (V/µs) 20 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 0.7 Iq per channel (typ) (mA) 5 Vn at 1 kHz (typ) (nV√Hz) 2.5 THD + N at 1 kHz (typ) (%) 0.00003 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.026 Architecture Voltage FB CMRR (typ) (dB) 120 Input bias current (max) (pA) 72000
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 34 GBW (typ) (MHz) 55 Slew rate (typ) (V/µs) 20 Rail-to-rail No Vos (offset voltage at 25°C) (max) (mV) 0.7 Iq per channel (typ) (mA) 5 Vn at 1 kHz (typ) (nV√Hz) 2.5 THD + N at 1 kHz (typ) (%) 0.00003 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.026 Architecture Voltage FB CMRR (typ) (dB) 120 Input bias current (max) (pA) 72000
PDIP (P) 8 92.5083 mm² 9.81 x 9.43 SOIC (D) 8 29.4 mm² 4.9 x 6
  • Easily Drives 600Ω Loads
  • Optimized for Superior Audio Signal Fidelity
  • Output Short Circuit Protection
  • PSRR and CMRR Exceed 120dB (typ)
  • SOIC, PDIP, TO-99 Metal Can Packages
  • Key Specifications
    • Power Supply Voltage Range: ±2.5 to ±17V
    • THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz):
      • RL = 2kΩ: 0.00003% (typ)
      • RL = 600Ω: 0.00003% (typ)
    • Input Noise Density: 2.7nV/√Hz (typ)
    • Slew Rate: ±20V/µs (typ)
    • Gain Bandwidth Product: 55MHz (typ)
    • Open Loop Gain (RL = 600Ω;): 140dB (typ)
    • Input Bias Current: 10nA (typ)
    • Input Offset Voltage: 0.1mV (typ)
    • DC Gain Linearity Error: 0.000009%
  • Easily Drives 600Ω Loads
  • Optimized for Superior Audio Signal Fidelity
  • Output Short Circuit Protection
  • PSRR and CMRR Exceed 120dB (typ)
  • SOIC, PDIP, TO-99 Metal Can Packages
  • Key Specifications
    • Power Supply Voltage Range: ±2.5 to ±17V
    • THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz):
      • RL = 2kΩ: 0.00003% (typ)
      • RL = 600Ω: 0.00003% (typ)
    • Input Noise Density: 2.7nV/√Hz (typ)
    • Slew Rate: ±20V/µs (typ)
    • Gain Bandwidth Product: 55MHz (typ)
    • Open Loop Gain (RL = 600Ω;): 140dB (typ)
    • Input Bias Current: 10nA (typ)
    • Input Offset Voltage: 0.1mV (typ)
    • DC Gain Linearity Error: 0.000009%

The LME49720 device 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 LME49720 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LME49720 combines extremely low voltage noise density (2.7nV/√Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications.

The LME49720 device 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 LME49720 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LME49720 combines extremely low voltage noise density (2.7nV/√Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications.
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檢視所有 5
類型 標題 日期
* Data sheet LME49720 Dual High Performance, High Fidelity Audio Operational Amplifier datasheet (Rev. D) PDF | HTML 2016年 12月 1日
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 2024年 4月 30日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日
EVM User's guide LME49600 Headphone Amplifier Evaluation Board User's Guide (Rev. A) 2013年 5月 3日
Application note Effect of Heavy Loads on Accuracy and Linearity of Op Amp Circuits (Rev. B) 2013年 4月 22日

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LME49720NABD — 34V 高效能、高保真雙路音訊運算放大器

The LME49720 is a Dual High Fidelity Audio Operational Amplifier. This Audio Amplifier offers near zero THD+N and sets a new standard for high end audio users. TI's newest Amplifier uses state of the art circuitry and process to achieve a new class of audio performance and technology. The AC and DC (...)

使用指南: PDF
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ANALOG-ENGINEER-CALC — 類比工程師計算機

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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