LME49740MA Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LME49740MA is a quad audio operational amplifier from Texas Instruments, designed for high-fidelity audio applications with 120 dB typical CMRR and 700 µV maximum input offset voltage. It operates from ±2.5 V to ±17 V dual supply and is packaged in a 14-pin SOIC for compact audio circuit integration.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- LME49740MA 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
Key Features
- Quad channel audio op-amp with 120 dB typical CMRR for exceptional noise rejection
- Maximum input offset voltage of 700 µV providing precise DC accuracy in audio signal paths
- Wide supply range of ±2.5 V to ±17 V accommodating diverse audio power supply designs
- Low bias current of 72 nA maximum enabling use with high-impedance audio sources
- 14-pin SOIC package allowing four amplifier channels in a compact single-package solution
Applications
The LME49740MA is designed for premium audio applications including preamplifiers, mixing consoles, studio recording equipment, and high-fidelity consumer audio systems. Its low noise, high CMRR, and wide supply voltage range make it well-suited for professional audio mixing, headphone amplifiers, and balanced audio interface circuits.
Specifications
| Reach Compliance Code | Compliant |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.072 µA |
| Bias Current-Max (IIB) @25C | 0.072 µA |
| Common-mode Reject Ratio-Min | 110dB |
| Common-mode Reject Ratio-Nom | 120dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 700 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | YES |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 15V/us |
| Slew Rate-Nom | 20V/us |
| Supply Current-Max | 20mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Unity Gain BW-Nom | 55000 |
| Voltage Gain-Min | 1778279.41 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many amplifier channels does the LME49740MA contain?
The LME49740MA contains four independent audio operational amplifier channels in a single 14-pin SOIC package, reducing component count and board space in multi-channel audio designs.
What is the CMRR of the LME49740MA?
The LME49740MA provides a typical CMRR of 120 dB (minimum 110 dB), ensuring excellent rejection of common-mode noise and interference in balanced audio signal processing applications.
What supply voltage does the LME49740MA require?
The LME49740MA operates from ±2.5 V to ±17 V dual supply, giving system designers flexibility to optimize audio performance based on available power rails and headroom requirements.
Is the LME49740MA suitable for professional audio equipment?
Yes, the LME49740MA is purpose-built for professional audio applications; its 120 dB CMRR, 700 µV max offset, and wide supply range meet the stringent performance requirements of studio recording and live sound reinforcement equipment.
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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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