LME49726MY Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LME49726MY is a high-fidelity audio operational amplifier from Texas Instruments designed for low-noise, low-distortion signal amplification. It features a voltage-feedback architecture with 95 dB typical CMRR, 2.25 mV maximum input offset voltage, and internal frequency compensation for stable closed-loop operation. Packaged in an 8-pin SOIC with RoHS-compliant lead-free construction and worldwide stock availability.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LME49726MY Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LME49726MY?
- High 95 dB typical common-mode rejection ratio for superior noise immunity in audio and instrumentation circuits
- Low-bias voltage-feedback architecture with 2.25 mV maximum input offset for precision signal conditioning
- Internal frequency compensation enabling stable gain configurations without external components
- 8-pin SOIC package combining compact PCB footprint with easy soldering for audio and industrial designs
What is LME49726MY used for?
The LME49726MY is optimized for high-fidelity audio preamplifier stages, active filter designs, and headphone driver circuits where low noise and high CMRR are critical to audio performance. Its low input offset voltage and voltage-feedback topology also suit precision instrumentation front-ends for measurement equipment and medical signal conditioning. The SOIC-8 package and internal compensation make it a drop-in choice for replacing standard op-amps in audio mixing consoles and studio equipment upgrades.
What are the specifications of LME49726MY?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Common-mode Reject Ratio-Min | 80dB |
| Common-mode Reject Ratio-Nom | 95dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 2250 µV |
| JESD-30 Code | R-PDSO-G8 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 2.5V/us |
| Slew Rate-Nom | 3.7V/us |
| Supply Current-Max | 2.2mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Unity Gain BW-Nom | 6250 |
| Voltage Gain-Min | 100000 |
| Wideband | NO |
| ## LME49726MY Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the LME49726MY datasheet?
LME49726MY Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LME49726MY?
Compatible alternatives and drop-in replacements for LME49726MY:
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Frequently Asked Questions
What CMRR does the LME49726MY achieve and why does it matter in differential audio signals?
The LME49726MY delivers a minimum CMRR of 80 dB and a nominal value of 95 dB, meaning common-mode noise such as 50 Hz or 60 Hz mains hum is attenuated by at least 80 dB relative to the differential signal. In balanced audio interfaces where cable-induced interference appears as common-mode voltage, this high CMRR ensures that a 1 mV noise signal contributes less than 0.1 µV to the amplifier output, preserving audio clarity.
How does the 2.25 mV maximum input offset voltage of the LME49726MY affect DC accuracy in precision circuits?
At a gain of 10 V/V, the 2.25 mV maximum input offset voltage produces at most 22.5 mV of DC output error, which is acceptable for audio coupling applications but may need offset-null trimming in precision DC measurement circuits. For an ADC with a 3.3 V full-scale range and 16-bit resolution (50 µV LSB), the 22.5 mV uncorrected offset represents about 450 LSBs, so calibration or autozero circuitry is recommended at high gain.
Does the LME49726MY require external frequency compensation, and what gain range is it stable for?
No external frequency compensation components are required; the LME49726MY includes internal compensation that ensures unity-gain stability. This means the amplifier operates without oscillation at any closed-loop gain from 0 dB upward, simplifying circuit design. The internal compensation also prevents the need for external feedback capacitors that can add phase margin complexity in multi-stage audio signal chains.
In which high-end audio designs is the LME49726MY preferred over general-purpose op-amps?
The LME49726MY is preferred in applications demanding low total harmonic distortion and high signal-to-noise ratio, such as phono preamplifiers, balanced line receivers, and studio monitor active crossovers. Its 95 dB CMRR and low-bias design support balanced XLR inputs carrying signals from 10 mV to 4 V peak, where general-purpose op-amps with 70–80 dB CMRR would inject audible noise artifacts into the audio path.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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