LM4951SD/NOPB Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
The LM4951SD/NOPB is a wide voltage range 1.8 watt audio power amplifier from Texas Instruments, featuring a single channel design with 20 kHz bandwidth and low 1% harmonic distortion. Housed in a compact 10-pin SOIC package, it delivers reliable audio amplification for consumer electronics. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- LM4951SD/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
- Wide voltage range operation enabling flexible power supply designs in battery-powered applications
- Low harmonic distortion of 1% for clean audio output in consumer electronics
- Compact 10-pin SOIC package ideal for space-constrained audio circuit designs
- 1.8W nominal output power suitable for small speaker driver applications
Applications
The LM4951SD/NOPB is widely used in portable audio devices, such as personal media players and compact speaker systems, where its wide voltage range and low distortion ensure clear sound reproduction. It is also employed in consumer electronics like tablets and handheld gaming devices, providing efficient single-channel audio amplification. Additionally, it serves in battery-powered communication equipment requiring compact and reliable audio output stages.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Bandwidth-Nom | 20kHz |
| Consumer IC Type | AUDIO AMPLIFIER |
| Harmonic Distortion | 1% |
| JESD-30 Code | S-PDSO-N10 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Output Power-Nom | 1.8W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC10,.11,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 4.5mA |
| Supply Voltage-Max (Vsup) | 9V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.8mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
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
Compatible alternatives and drop-in replacements for LM4951SD/NOPB:
Frequently Asked Questions
What is the output power of the LM4951SD/NOPB?
The LM4951SD/NOPB delivers a nominal output power of 1.8 watts, making it suitable for small speaker drivers in portable consumer electronics such as tablets, media players, and handheld devices.
What is the bandwidth and harmonic distortion specification for the LM4951SD/NOPB?
The LM4951SD/NOPB supports a nominal bandwidth of 20 kHz with a total harmonic distortion of 1%, ensuring high-quality audio reproduction across the full audible frequency range for consumer applications.
What package type does the LM4951SD/NOPB use and is it RoHS compliant?
The LM4951SD/NOPB is housed in a 10-pin Small Outline No-lead (SOIC) package coded JESD-30 S-PDSO-N10. It is fully RoHS compliant with JESD-609 code e3 (Pb-free), meeting modern environmental regulations for lead-free electronics manufacturing.
What are common applications for the LM4951SD/NOPB?
Common applications for the LM4951SD/NOPB include portable audio amplifiers, consumer media players, tablet speakers, handheld gaming audio, and battery-powered communication devices requiring compact single-channel audio output.
Are there pin-compatible or functional alternatives to the LM4951SD/NOPB?
Functional alternatives include other Texas Instruments audio amplifier ICs such as the LM4862 and LM4871 series, which offer similar power ratings and package options. Always verify voltage range, gain, and package compatibility before substituting in a design.
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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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