LME49600TS/NOPB Texas Instruments Integrated Circuit (Other) In Stock
The LME49600TS/NOPB is a high-fidelity audio buffer amplifier with 180 MHz bandwidth and 36 dB gain in a TO-263-5 package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- LME49600TS/NOPB 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
- Ultra-wide 180 MHz bandwidth enabling transparent audio reproduction beyond 20 kHz with minimal phase shift
- 36 dB gain with low noise floor, ideal for driving headphones and low-impedance loads
- 5-pin TO-263-5 surface-mount package with exposed thermal pad for efficient heat dissipation
- Single-channel design simplifying PCB layout in stereo configurations with dual ICs
- RoHS-compliant (NOPB) construction meeting global environmental regulations
Applications
The LME49600TS/NOPB is designed for high-performance headphone amplifier output stages where a 180 MHz bandwidth buffer is needed to maintain sub-0.001% THD+N through the audio band. It suits studio monitor preamplifiers and DAC output drivers where low noise and high current capability into 16-ohm to 300-ohm loads are required. Consumer and professional audio equipment designers also use it as an op-amp output booster to increase drive current without compromising the sonic signature of the upstream amplifier.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Bandwidth-Nom | 180000kHz |
| Consumer IC Type | AUDIO AMPLIFIER |
| Gain | 36dB |
| JESD-30 Code | R-PSSO-G5 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 245 |
| Supply Voltage-Max (Vsup) | 36V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.7mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LME49600TS/NOPB:
suggested
suggested
Frequently Asked Questions
What bandwidth does the LME49600TS/NOPB offer, and why does it matter for audiophile headphone amplifiers?
The LME49600TS/NOPB provides a 180 MHz bandwidth, far exceeding the 20 kHz audio band, which ensures negligible phase shift and flat frequency response from 20 Hz to 20 kHz even when driving low-impedance 16-ohm headphones at full output.
How does the TO-263-5 package of the LME49600TS/NOPB help manage heat dissipation in compact amplifier designs?
The 5-pin TO-263-5 (D2PAK) package includes an exposed thermal pad on the bottom, allowing direct soldering to a PCB copper pour or thermal via array to achieve junction-to-board thermal resistance below 5°C/W, keeping the die cool even at 500 mA continuous output current.
Which load impedances can the LME49600TS/NOPB drive reliably without distortion?
The LME49600TS/NOPB is rated to drive loads from 16 ohms to 600 ohms, covering the full range of consumer and professional headphones, while maintaining THD below measurable limits at 1 kHz with a 36 dB gain setting.
When is the LME49600TS/NOPB a better choice than integrating output drive directly into an op-amp stage?
Dedicated buffer ICs like the LME49600TS/NOPB deliver up to 500 mA peak output current versus the 25 mA to 50 mA limit of most precision op-amps, so they are preferred when driving headphones below 32 ohms or parallel speaker loads where a standalone op-amp would clip or overheat.
Is the LME49600TS/NOPB RoHS compliant, and what does the NOPB suffix indicate?
Yes, the NOPB suffix confirms the LME49600TS/NOPB is manufactured without lead-based solder or finishes, satisfying RoHS Directive 2011/65/EU and JESD-609 code e3, making it fully compliant for products sold in the EU, UK, and other markets with ≥50 ppm lead restrictions.
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