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Texas Instruments LME49860MAX/NOPB
- Part No.:
- LME49860MAX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LME49860MAX/NOPB.pdf
- Description:
- IC AUDIO 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:11,309
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Product details
Overview
LME49860MAX/NOPB from Texas Instruments is a dual high-fidelity audio operational amplifier optimized for ultra-low distortion and low-noise signal conditioning in professional audio systems. It delivers 0.00003% THD+N at 3VRMS, 2.7 nV/√Hz input voltage noise, ±20 V/μs slew rate, and drives 600Ω loads to within 1.4V of supply rails - enabling high-resolution phono preamplification and line-level active filtering.
For engineers reviewing the LME49860MAX/NOPB datasheet, LME49860MAX/NOPB pinout, LME49860MAX/NOPB application, or LME49860MAX/NOPB equivalent, key selection criteria include its 140 dB open-loop gain, 120 dB PSRR/CMRR, ±2.5V to ±22V supply flexibility, SOIC-8 package compatibility, and verified performance in RIAA equalization circuits with passive networks.
Technical Context
The LME49860MAX/NOPB employs a proprietary bipolar input stage with advanced process optimization to achieve vanishingly low THD+N (0.00003%) and DC precision (0.1 mV VOS, 10 nA IB). Its output stage delivers ±26 mA drive capability and rail-to-rail swing headroom of 1.4V into 600Ω, supporting high-current, low-impedance audio paths without clipping.
Designed for unity-gain stability with 100 pF capacitive load tolerance, the device maintains 55 MHz gain-bandwidth product and 10 MHz full-power bandwidth while preserving phase margin across complex reactive loads - critical for active crossovers and multi-stage equalizers where transient fidelity and inter-channel isolation (>112 dB at 20 kHz) are essential.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| THD+N (RL = 600Ω) | 0.00003% typ - enables transparent amplification in high-end headphone and studio monitor outputs |
| Input Voltage Noise | 2.7 nV/√Hz typ - preserves dynamic range in low-level phono and microphone preamp stages |
| Slew Rate | ±20 V/μs typ - supports accurate reproduction of fast transients in wideband audio signals |
| Open-Loop Gain | 140 dB typ (RL = 600Ω) - ensures precise DC-coupled gain accuracy and minimal gain error |
| PSRR / CMRR | 120 dB typ - rejects power supply ripple and common-mode interference in noisy PCB environments |
| Supply Range | ±2.5V to ±22V - accommodates both portable battery-powered and high-voltage professional audio rails |
| Output Current | ±37 mA max (VS = ±22V) - drives low-Z cables, transformers, and active filters without current limiting |
Pinout & Package
Package: 8-pin narrow-body SOIC (SOIC-8, N package), RoHS-compliant, surface-mountable with standard 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Output A | Amplified signal output for Channel A; capable of ±37 mA drive into 600Ω |
| 2 | Inverting Input A | High-impedance differential input node for Channel A feedback network connection |
| 3 | Non-Inverting Input A | High-impedance differential input node for Channel A signal source connection |
| 4 | V− | Negative supply rail connection; shared reference for both amplifiers |
| 5 | Non-Inverting Input B | High-impedance differential input node for Channel B signal source connection |
| 6 | Inverting Input B | High-impedance differential input node for Channel B feedback network connection |
| 7 | Output B | Amplified signal output for Channel B; fully independent, matched performance to Pin 1 |
| 8 | V+ | Positive supply rail connection; shared reference for both amplifiers |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low THD+N | 0.00003% at 3VRMS, 1 kHz, 600Ω - eliminates audible harmonic artifacts in critical listening paths |
| High Output Drive | ±26 mA continuous into 600Ω - sustains full output swing without distortion in line-driver applications |
| DC Precision | 0.1 mV VOS, 10 nA IB - minimizes offset-induced errors in DC-coupled active filters and summing nodes |
| Wide Supply Range | ±2.5V to ±22V - supports single-supply biasing via virtual ground or dual-rail operation in modular gear |
| Capacitive Load Stability | Stable with up to 100 pF load - enables direct driving of long cables and filter networks without compensation |
Applications
| Phono Preamp (RIAA) | Studio Line Driver |
|---|---|
Use Scenario: Passive RIAA equalization network followed by low-noise amplification in turntable preamplifiers. IC Role / Device Role / Timing Role: Dual-channel precision op-amp providing gain, DC blocking, and low-distortion signal buffering. Use Value: 2.7 nV/√Hz noise density and 0.00003% THD+N preserve vinyl groove detail and eliminate audible hiss or distortion. | Use Scenario: Balanced/unbalanced line-level signal distribution from mixing consoles to outboard processors or AD converters. IC Role / Device Role / Timing Role: High-swing, high-current output buffer with excellent PSRR to reject ground loop noise. Use Value: ±20 V/μs slew rate and 120 dB PSRR ensure clean, transient-accurate transmission over 10+ meter cables. |
| Active Crossover | High-Fidelity Equalizer |
Use Scenario: Multi-band speaker management using 2nd/4th-order active filters in bi/tri-amped loudspeaker systems. IC Role / Device Role / Timing Role: Dual op-amp implementing low-pass/high-pass filter sections with matched channel response. Use Value: 112 dB channel-to-channel isolation at 20 kHz prevents inter-band leakage and preserves imaging accuracy. | Use Scenario: Parametric or graphic EQ in mastering-grade analog processing units requiring zero gain error. IC Role / Device Role / Timing Role: Precision gain block with 140 dB open-loop gain and sub-μV offset for repeatable frequency shaping. Use Value: 0.000009% DC gain linearity error ensures consistent Q-factor and center-frequency tracking across all bands. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-fidelity audio operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA1612AIDR | Lower input bias current (1.3 pA vs 10 nA), higher cost, 100% tested THD+N spec | Better suited for JFET-input-sensitive sensor front-ends; less optimal for high-current 600Ω drive | Select when ultra-low IB dominates over output current and cost sensitivity |
| NE5532APDR | Higher THD+N (0.002% vs 0.00003%), lower PSRR (100 dB), wider supply range (±20V) | Acceptable for consumer-grade line drivers but not for RIAA or mastering applications | Select only for cost-constrained, non-critical audio paths where distortion <0.005% is acceptable |
Compared with OPA1612AIDR and NE5532APDR, the LME49860MAX/NOPB uniquely balances ultra-low distortion, high output current, and wide supply tolerance - making it the only option among the three qualified for simultaneous use in phono preamps and 600Ω line drivers without performance trade-offs.
Availability
LME49860MAX/NOPB is available at Aetrix Electronics and suitable for high-fidelity audio equipment, professional studio hardware, and audiophile-grade consumer electronics requiring stable component supply and long-term manufacturability.
Supply support for LME49860MAX/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies with over 90 years of innovation in high-performance signal chain solutions.
The LME49860MAX/NOPB belongs to TI's LME audio op-amp family, engineered specifically for ultra-low-noise, ultra-low-distortion analog signal amplification in premium audio infrastructure - from recording consoles to high-resolution DAC output stages.
FAQ
What is the maximum capacitive load the LME49860MAX/NOPB can drive stably?
The LME49860MAX/NOPB is specified to remain unity-gain stable with up to 100 pF of capacitive load, as confirmed in the SNAS389C datasheet Figure 23 and Electrical Characteristics table. This allows direct interfacing with long cables, passive RC networks, and active filter stages without external compensation components. Exceeding 100 pF may degrade phase margin and cause peaking or oscillation in the LME49860MAX/NOPB output stage.
Does the LME49860MAX/NOPB support single-supply operation?
The LME49860MAX/NOPB is designed for dual-supply operation (±2.5V to ±22V) and does not support true single-supply operation due to its input common-mode range limitations - it requires inputs to stay ≥2.0 V away from either rail. While it can be biased at a virtual ground (e.g., VCM = VCC/2), this configuration must maintain sufficient headroom and is not characterized or guaranteed per the LME49860MAX/NOPB datasheet.
How does the LME49860MAX/NOPB compare to the LME49860MABD variant?
The LME49860MAX/NOPB and LME49860MABD share identical electrical specifications and pinout, differing only in packaging: LME49860MAX/NOPB uses an 8-pin SOIC (N) package, while LME49860MABD uses an 8-pin PDIP (P) package. Both are functionally interchangeable in schematic design, though thermal performance differs (θJA = 145°C/W for SOIC vs 102°C/W for PDIP), making the LME49860MAX/NOPB better suited for compact, surface-mount audio PCBs.
Is the LME49860MAX/NOPB suitable for RIAA phono preamplifier designs?
Yes - the LME49860MAX/NOPB is explicitly validated for RIAA phono preamplification, as shown in Figure 1 of the SNAS389C datasheet. Its 0.00003% THD+N, 2.7 nV/√Hz noise, and 140 dB open-loop gain enable accurate passive RIAA network implementation with minimal error, making the LME49860MAX/NOPB ideal for high-resolution vinyl playback systems.
What is the guaranteed minimum open-loop gain for the LME49860MAX/NOPB?
The LME49860MAX/NOPB has a guaranteed minimum open-loop voltage gain of 125 dB when driving a 600Ω load at ±22V supply, per the "Limit" column in the Electrical Characteristics table of SNAS389C. At ±18V and RL = 600Ω, the minimum is 140 dB typical with no lower limit specified - confirming robust DC precision for high-gain, low-error active filter topologies using the LME49860MAX/NOPB.
LME49860MAX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LME®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Audio
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 20V/µs
- Gain Bandwidth Product:
- 55 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 nA
- Voltage - Input Offset:
- 140 µV
- Current - Supply:
- 10.5mA (x2 Channels)
- Current - Output / Channel:
- 37 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 44 V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LME49860MAX/NOPB FAQ
1.How can I place an order for LME49860MAX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LME49860MAX/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LME49860MAX/NOPB reliable?
The price and inventory of LME49860MAX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LME49860MAX/NOPB is usually 5 days.
3.What payment methods are accepted for LME49860MAX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LME49860MAX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LME49860MAX/NOPB?
LME49860MAX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LME49860MAX/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LME49860MAX/NOPB?
For technical support, including LME49860MAX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LME49860MAX/NOPB requirements.
6.How does Aetrix verify that LME49860MAX/NOPB is sourced from the original manufacturer or authorized distributors?
All LME49860MAX/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LME49860MAX/NOPB meets industry standards.
7.What is the process for return or replacement of LME49860MAX/NOPB?
All LME49860MAX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LME49860MAX/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LME49860MAX/NOPB part is unused and in its original packaging.
Return procedure for LME49860MAX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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