Product details


Number of channels (#) 2 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.5 Total supply voltage (Max) (+5V=5, +/-5V=10) 5.5 GBW (Typ) (MHz) 6.25 Slew rate (Typ) (V/us) 3.7 Rail-to-rail Out Vos (offset voltage @ 25 C) (Max) (mV) 2.5 Iq per channel (Typ) (mA) 0.7 Vn at 1 kHz (Typ) (nV/rtHz) 6.9 Features THD + N @ 1 kHz (Typ) (%) 0.00008 Rating Catalog Operating temperature range (C) -40 to 85 Output current (Typ) (mA) 350 Architecture Voltage FB CMRR (Typ) (dB) 95 open-in-new Find other Audio op amps

Package | Pins | Size

HVSSOP (DGN) 8 9 mm² 3 x 3 open-in-new Find other Audio op amps


  • Rail-to-Rail Output
  • Easily Drives 2kΩ Loads to within 4mV of Each Power Supply Voltage Rail
  • Optimized for Superior Audio Signal Fidelity
  • Output Short Circuit Protection
  • High Output Drive (>300mA)
  • Available in VSSOP Exposed-DAP Package

Key Specifications

  • Power Supply Voltage Range: 2.5 to 5.5 V
  • Quiescent Current per Amplifier   at 5V: 0.7 mA (Typ)
  • THD+N, AV = 1, fIN = 1kHz, RL = 10kΩ:
    • (VOUT = 3.5VP-P, VDD = 5.0V): 0.00008 % (Typ)
    • (VOUT = 1.5VP-P, VDD = 2.5V): 0.00002 % (Typ)
  • Equivalent Input Noise (f = 10k): 8.3 nV/√Hz (Typ)
  • Slew Rate: ±3.7 V/μs (Typ)
  • Gain Bandwidth Product: 6.25 MHz (Typ)
  • Open Loop Gain (RL = 10kΩ): 120 dB (Typ)
  • Input Bias Current: 0.2 pA (Typ)
  • Input Offset Voltage: 0.5 mV (Typ)
  • PSRR (DC): 104 dB (Typ)

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The LME49726 is a low distortion, low noise rail-to-rail output audio operational amplifier optimized and fully specified for high performance, high fidelity applications. The LME49726 delivers superior audio signal amplification for outstanding audio performance. The LME49726 has a very low THD+N to easily satisfy demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LME49726 provides output current greater than 300mA at 5V. Further, dynamic range is maximized by an output that drives 2kΩ loads to within 4mV of either power supply voltage.

The LME49726 has a supply range of 2.5V to 5.5V. Over this supply range the LME49726’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LME49726 is unity gain stable.

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Technical documentation

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Type Title Date
* Data sheet High Current, Low Distortion, Rail-to-Rail Output Audio Operational Amplifier datasheet (Rev. C) Apr. 04, 2013
Technical article No headroom, no problem: buffering and filtering an audio signal chain in low-voltage systems Apr. 11, 2019
E-book The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Technical article Amp up your cans: Is your op amp stable? (Part 2) Jan. 22, 2016
Technical article Stress-induced outbursts: Microphonics in ceramic capacitors (Part 2) Dec. 23, 2014
Technical article Stress-induced outbursts: Microphonics in ceramic capacitors (Part 1) Dec. 19, 2014

Design & development

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Design tools & simulation

SNAM047.TSC (57 KB) - TINA-TI Reference Design
SNAM048.ZIP (22 KB) - TINA-TI Spice Model
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — 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 (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
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
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 (...)
  • 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

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HVSSOP (DGN) 8 View options

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