LM4549BVH/NOPBIn StockTexas Instruments
LM4549BVH/NOPB is a high-performance AC '97 Rev 2.1 audio codec with sample rate conversion and National 3D Sound. Features 48kHz full-duplex stereo audio, integrated headphone amplifier, and QFP-48 package. From $3.784, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- LM4549BVH/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.7840(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AC '97 Rev 2.1 compliant full-duplex stereo codec with sample rate conversion
- Integrated National 3D Sound for immersive spatial audio processing
- 48kHz playback and record with independent variable sample rate support
- QFP-48 fine-pitch flatpack package for compact PCB integration
- RoHS compliant (Pb-free, JESD-609 e3 rated) for green design requirements
Applications
The LM4549BVH/NOPB is designed for PC motherboard audio subsystems, multimedia laptops, and desktop sound solutions requiring AC '97 compliant audio. It is widely used in consumer electronics such as set-top boxes, home theater PCs, and embedded audio applications needing high-fidelity stereo codec functionality. Its integrated 3D sound and sample rate conversion make it ideal for gaming audio cards and multimedia processing platforms.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Consumer IC Type | CONSUMER CIRCUIT |
| JESD-30 Code | S-PQFP-G48 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP48,.35SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.2V |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM4549BVH/NOPB:
suggested
Frequently Asked Questions
What audio standard does the LM4549BVH/NOPB support?
The LM4549BVH/NOPB is fully compliant with the AC '97 Rev 2.1 specification, supporting 48kHz full-duplex stereo audio with independent variable sample rate conversion for both playback and record paths, making it compatible with standard AC '97 controller interfaces found in PC chipsets.
What are the key applications for the LM4549BVH/NOPB?
This codec is primarily used in PC motherboards, laptops, multimedia desktops, and embedded consumer audio systems. Its AC '97 compliance and National 3D Sound feature make it suitable for gaming audio cards, home theater PCs, set-top boxes, and any application requiring high-quality stereo audio codec functionality.
What package does the LM4549BVH/NOPB come in and is it RoHS compliant?
The LM4549BVH/NOPB is available in a 48-pin LQFP (Low Profile Fine Pitch Quad Flat Pack) package with 0.35mm pitch, equivalent code QFP48. It is fully RoHS compliant with Pb-free construction and JESD-609 e3 rating, suitable for environmentally conscious designs.
What is the price and availability of the LM4549BVH/NOPB?
The LM4549BVH/NOPB is priced from $3.784 per unit. It is available from authorized distributors with worldwide shipping. FindMyChip aggregates global stock to help you source this Texas Instruments audio codec quickly, even for urgent or large-volume requirements.
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Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $9.1149 | $9.11 |
| 29+ | $4.3073 | $124.91 |
| 60+ | $3.9990 | $239.94 |
| 120+ | $3.7840 | $454.08 |
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