Texas Instruments
TI LME49713HA/NOPB High-Performance Audio Op-Amp – Ultra-Low Noise & Distortion
Amplifiers - Op Amps, Buffer, Instrumentation · Texas Instruments
MPNLME49713HA/NOPB
Ultra-Low Distortion (<0.00003% THD+N) Blazing-Fast 1900V/µs Slew Rate Low Noise (2.7nV/√Hz) & Wide Bandwidth (132MHz)
- Manufacturer
- Texas Instruments (TI)
- Status
- Obsolete
- Amplifier Type
- High-Fidelity Audio Op-Amp
- Package
- TO-99-8 Metal Can
- Supply Voltage Range
- ±5V to ±18V (Total: 10V–36V)
- Single/Dual Supply
- Dual-Supply Operation
- Professional sourcingVetted supply chain with documented traceability
- Genuine partsDocumented traceability on every shipment
- ESD-safe handlingOriginal packaging, moisture controlled
- Worldwide shippingConsolidated freight to 100+ countries
Specifications
Core ratings and package details for this amplifiers - op amps, buffer, instrumentation (LME49713HA/NOPB). Use the table below when comparing drop-in options or validating a schematic callout.
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Texas Instruments (TI) | Input Bias Current | 1.8 µA (Typical) |
| Status | Obsolete | Input Offset Voltage | 50 µV (Max) |
| Amplifier Type | High-Fidelity Audio Op-Amp | THD+N (1kHz, RL=600Ω) | 0.00003% (Typical) |
| Package | TO-99-8 Metal Can | Slew Rate | 1900 V/µs (Typical) |
| Supply Voltage Range | ±5V to ±18V (Total: 10V–36V) | Gain Bandwidth Product | 132 MHz (Typical) |
| Single/Dual Supply | Dual-Supply Operation | Noise Density (1kHz) | 2.7 nV/√Hz |
Product Overview
Application context for LME49713HA/NOPB (Texas Instruments · Amplifiers - Op Amps, Buffer, Instrumentation) — what the part is for, how it is typically used, and the design points buyers ask about first.
- Ultra-Low Distortion (<0.00003% THD+N)
- Blazing-Fast 1900V/µs Slew Rate
- Low Noise (2.7nV/√Hz) & Wide Bandwidth (132MHz)
TI LME49713HA/NOPB Audio Operational Amplifier – Professional-Grade Sound Fidelity
The LME49713HA/NOPB from Texas Instruments (TI) sets the benchmark for high-fidelity audio amplification, combining ultra-low distortion, exceptional noise performance, and rapid signal response in a robust metal-can package. Designed for audiophiles, studio engineers, and high-end audio designers, this op-amp ensures pristine signal integrity across frequencies—from sub-bass to ultra-high treble. Whether upgrading a phono preamp, DAC output stage, or headphone amplifier, the LME49713HA/NOPB delivers uncolored, transparent sound with specifications that outperform generic audio ICs.3 Key Features of the LME49713HA/NOPB
1. Ultra-Low Distortion (<0.00003% THD+N)
- THD+N of just 0.00003% ensures near-perfect signal reproduction, critical for vinyl playback, mastering, and lossless digital audio.
- Outperforms competitors like Burr-Brown OPA1612 in harmonic accuracy.
2. Blazing-Fast 1900V/µs Slew Rate
- Captures transient details (e.g., drum strikes, piano decays) without phase smearing.
- Ideal for high-resolution audio (24-bit/192kHz+) and fast analog signal chains.
3. Low Noise (2.7nV/√Hz) & Wide Bandwidth (132MHz)
- 2.7nV/√Hz input noise eliminates hiss in sensitive applications like MC phono stages.
- Broad 132MHz bandwidth supports ultrasonic filtering and RF-sensitive designs.
Texas Instruments LME49713HA/NOPB – Specifications Summary
| Parameter | Specification |
|---|---|
| Manufacturer | Texas Instruments (TI) |
| Status | Obsolete |
| Amplifier Type | High-Fidelity Audio Op-Amp |
| Package | TO-99-8 Metal Can |
| Supply Voltage Range | ±5V to ±18V (Total: 10V–36V) |
| Single/Dual Supply | Dual-Supply Operation |
| Input Bias Current | 1.8 µA (Typical) |
| Input Offset Voltage | 50 µV (Max) |
| THD+N (1kHz, RL=600Ω) | 0.00003% (Typical) |
| Slew Rate | 1900 V/µs (Typical) |
| Gain Bandwidth Product | 132 MHz (Typical) |
| Noise Density (1kHz) | 2.7 nV/√Hz |
| Output Current | 100 mA per Channel (Max) |
| Operating Temperature | -40°C to +85°C |
| Quiescent Current | 8 mA (Typical, No Load) |
| CMRR | 120 dB (Typical) |
| PSRR | 110 dB (Typical) |
| Unity-Gain Stable | Yes |
| RoHS Compliance | Lead-Free |
Technical Deep Dive
Design Excellence
- Metal Can (TO-99) Package: Provides superior EMI shielding and thermal dissipation vs. plastic DIP/SOIC.
- Stable Operation: Unity-gain stable with ±5V to ±18V dual supplies (10V–36V total).
- High Output Drive: 100mA/channel current for driving low-impedance headphones or transformers.
Comparison to Competing Op-Amps
| Parameter | LME49713HA/NOPB | OPA1612 | NE5532 |
|---|---|---|---|
| THD+N | 0.00003% | 0.000015% | 0.002% |
| Slew Rate | 1900V/µs | 20V/µs | 9V/µs |
| Noise Density | 2.7nV/√Hz | 1.1nV/√Hz | 5nV/√Hz |
| Bandwidth | 132MHz | 40MHz | 10MHz |
LME49713HA/NOPB Applications
High-End Audio Systems
- Phono Preamps: Ultra-low noise critical for moving-coil (MC) cartridges.
- DAC I/V Conversion: Preserves detail in R-2R ladder and delta-sigma outputs.
Professional Equipment
- Mixing Consoles: Transparency for EQ, summing buses, and mic preamps.
- Headphone Amps: Drives 300Ω Sennheiser HD800s effortlessly.
DIY Audiophile Projects
- Replace op-amps in Modi Multibit, Schiit Magni for immediate upgrades.
- Ideal for Open-Source Hardware like WHAMMY headphone amps.
Specifications
| Category | Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Amplifier Type | Audio Operational Amplifier |
| Package | TO-99-8 Metal Can |
| Supply Voltage | ±5V to ±18V (10V–36V total) |
| Input Bias Current | 1.8µA |
| Input Offset Voltage | 50µV (max) |
| Operating Temperature | -40°C to +85°C |
| RoHS Compliance | Yes |
Why Choose the LME49713HA/NOPB?
- Reference-Grade Audio: Meets THX, ESS Sabre, and Apogee design standards.
- Future-Proof: Supports MQA, DSD512, and Dolby Atmos processing chains.
- Reliability: Military-grade temperature range (-40°C to +85°C).
Integration Tips
- Power Supply: Use low-noise regulators (e.g., LT3045) for best performance.
- PCB Layout: Keep traces short, use a ground plane, and decouple with 100nF ceramics + 10µF tantalums.
- Thermal Management: Solder to a copper heatsink for TO-99 stability.
LME49713HA/NOPB Alternatives Comparison
| Part No. | Key Features | Applications | Description |
|---|---|---|---|
| LME49713HA/NOPB (TI) | - Ultra-high slew rate (1900V/µs) - Low THD+N (0.00003%) - TO-99-8 package | - High-end audio amplifiers - DAC I/V stages - Professional studio gear | TI’s obsolete ultra-low-distortion op-amp, best for fast transients but no longer produced. |
| OPA1612 (TI) | - Lowest noise (1.1nV/√Hz) - THD+N 0.000015% - Dual-channel - ±2.25V to ±18V | - DAC I/V stages - Balanced line drivers - ADC buffers | Best overall replacement—modern, low noise, superior THD+N. Still in production. |
| LME49990 (TI, Obsolete) | - Slew rate 22V/µs - THD+N 0.00001% - Single-channel - Low noise (2.5nV/√Hz) | - Reference audio circuits - Phono preamps - Filter circuits | Discontinued but closest TI alternative to LME49713HA. Check distributors for stock. |
| OPA1656 (TI) | - Low power (2mA) - THD+N 0.000025% - Dual-channel - ±2.25V to ±18V | - Headphone amps - Active filters - Portable audio | Modern low-power audio op-amp with excellent performance but slightly higher noise. |
| AD797 (Analog Devices) | - Ultra-low noise (0.9nV/√Hz) - FET input (low bias current) - THD+N 0.0001% | - MC phono preamps - Mic preamps - Instrumentation | Best-in-class noise performance; ideal for sensitive audio applications. |
| SS3602 (Sparkos Labs) | - Discrete design - High slew rate (50V/µs) - THD+N <0.0001% - Custom sound tuning | - Audiophile DACs - Tube hybrid amps - High-end preamps | Premium discrete op-amp for sound customization (higher price). |
Key Takeaways
- OPA1612 is the best modern, in-production alternative for most audio apps.
- AD797 dominates in ultra-low-noise scenarios (e.g., phono stages).
- Sparkos SS3602 is for high-end DIY where cost is secondary to performance.
- Avoid LME49990/LME49713 for new designs due to obsolescence.
Conclusion
For audio purists demanding uncompromised signal fidelity, the TI LME49713HA/NOPB stands as a pinnacle of op-amp engineering. Its ultra-low distortion, rapid slew rate, and noise-neutral signature make it indispensable in high-resolution playback, studio mastering, and bespoke audiophile builds. Elevate your audio design—order the LME49713HA/NOPB today. Note: This part is obsolete from TI but available via specialized distributors. Check stock for legacy projects. Need substitutes? Consider TI’s LME49990 or OPA1656 for similar performance.Design Resources
Tutorial and application reading tied to LME49713HA/NOPB. These are editorial guides on this site, not manufacturer PDFs.
GUIDEOperational Amplifiers and Circuits: Complete Beginner-to-Practical GuideRead guide →GUIDELinear vs Rotary Potentiometers: Key Differences and ApplicationsRead guide →GUIDEWhat Does an Op-Amp Do? Functions, Uses, and Real Circuit ExamplesRead guide →GUIDESimple Op-Amp Circuit: Diagram, Working Principle & Setup GuideRead guide →GUIDEHDMI RF Modulator: How It Works and Its Deep Relationship With Electronic ComponentsRead guide →GUIDEVoltage Regulator Module(VRM): What It Is, How It Works, and How to Choose OneRead guide →
Frequently Asked Questions
Short answers for sourcing LME49713HA/NOPB from Texas Instruments: what to confirm before you place the order.
What is LME49713HA/NOPB?
Ultra-Low Distortion (<0.00003% THD+N) Blazing-Fast 1900V/µs Slew Rate Low Noise (2.7nV/√Hz) & Wide Bandwidth (132MHz)
What package is LME49713HA/NOPB supplied in?
LME49713HA/NOPB is supplied in TO-99-8 Metal Can by Texas Instruments.
What type of component is LME49713HA/NOPB?
LME49713HA/NOPB is a Amplifiers - Op Amps, Buffer, Instrumentation from Texas Instruments.
What are the key specifications of LME49713HA/NOPB?
Status: Obsolete; Amplifier Type: High-Fidelity Audio Op-Amp; Supply Voltage Range: ±5V to ±18V (Total: 10V–36V); Single/Dual Supply: Dual-Supply Operation; Input Bias Current: 1.8 µA (Typical).
Is LME49713HA/NOPB in stock at MOZ Electronics?
LME49713HA/NOPB is listed as in stock. Order online when a price is shown, or submit an RFQ for volume pricing and lead time.
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