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Product details

Parameters

Number of channels (#) 2 Total supply voltage (Min) (+5V=5, +/-5V=10) 5 Total supply voltage (Max) (+5V=5, +/-5V=10) 34 GBW (Typ) (MHz) 55 Slew rate (Typ) (V/us) 20 Rail-to-rail No Vos (offset voltage @ 25 C) (Max) (mV) 0.7 Iq per channel (Typ) (mA) 5 Vn at 1 kHz (Typ) (nV/rtHz) 2.5 Features THD + N @ 1 kHz (Typ) (%) 0.00003 Rating Catalog Operating temperature range (C) -40 to 85 Output current (Typ) (mA) 26 Architecture Voltage FB CMRR (Typ) (dB) 120 Input bias current (Max) (pA) 72000 open-in-new Find other Audio op amps

Package | Pins | Size

PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 4.9 x 3.9 open-in-new Find other Audio op amps

Features

  • 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%
open-in-new Find other Audio op amps

Description

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.

open-in-new Find other Audio op amps
Download

Technical documentation

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$149.00
Description

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 (...)

Features
  • Dual Audio Operational Amplifier
  • Ultra low THD+N of 0.00003%
  • 34V operation and low noise
  • 600Ohm loads
  • SNR 97dB
  • High output of 26mA
  • Gain Bandwidth Product >55MHz
  • 20uV/S Slew rate
  • DC Gain Linearity Error of 0.000009%
  • PSRR >120dB
  • CMRR >120dB
  • Vos is 0.1mV
  • Three package offerings (SOIC, DIP, and Metal Can)

(...)

EVALUATION BOARDS Download
document-generic User guide
$149.00
Description

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 (...)

Features
  • Dual Audio Operational Amplifier
  • Ultra low THD+N of 0.00003%
  • 34V operation and low noise
  • 600Ohm loads
  • SNR 97dB
  • High output of 26mA
  • Gain Bandwidth Product >55MHz
  • 20uV/S Slew rate
  • DC Gain Linearity Error of 0.000009%
  • PSRR >120dB
  • CMRR >120dB
  • Vos is 0.1mV
  • Three package offerings (SOIC, DIP, and Metal Can)

(...)

EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

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 (...)

Features
  • Dual Audio Operational Amplifier
  • Ultra low THD+N of 0.00003%
  • 34V operation and low noise
  • 600Ohm loads
  • SNR 97dB
  • High output of 26mA
  • Gain Bandwidth Product >55MHz
  • 20uV/S Slew rate
  • DC Gain Linearity Error of 0.000009%
  • PSRR >120dB
  • CMRR >120dB
  • Vos is 0.1mV
  • Three package offerings (SOIC, DIP, and Metal Can)

(...)

Design tools & simulation

SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI 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 (...)
document-generic User guide
CALCULATION TOOLS Download
Analog engineer's calculator
ANALOG-ENGINEER-CALC — 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 (...)
Features
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)

CAD/CAE symbols

Package Pins Download
PDIP (P) 8 View options
SOIC (D) 8 View options

Ordering & quality

Support & training

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Videos

Operational Amplifiers (Op Amp) Technology Overview

Learn how to effectively choose & implement the most suitable operational amplifiers for your application

Posted: 10-Jan-2018
Duration: 34:28

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