LM4550BVHNOPB Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
The LM4550BVHNOPB is a general-purpose AC97 audio codec from Texas Instruments, integrating dual ADC and dual DAC channels with 48 kHz sample rate support. It is housed in a 48-pin LQFP package compatible with AC97 Rev 2.1 audio interfaces. From $3.50 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- LM4550BVHNOPB Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-channel ADC and dual-channel DAC for full-duplex stereo audio input and output
- AC97 Rev 2.1 compliant interface for direct integration with PC and embedded audio controllers
- 48 kHz sample rate support for CD-quality audio playback and recording
- Compact 48-pin LQFP surface-mount package suitable for multimedia embedded system designs
Applications
The LM4550BVHNOPB is designed for multimedia embedded systems, desktop computers, and consumer electronics requiring integrated stereo audio input and output capabilities via the AC97 digital audio interface. Its dual ADC and DAC channels support simultaneous recording and playback at up to 48 kHz, making it suitable for VoIP applications, PC audio cards, and set-top boxes. The LQFP package and AC97 compliance simplify integration with standard audio controller chipsets.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM4550BVHNOPB:
Frequently Asked Questions
What is the LM4550BVHNOPB and what interface does it use?
The LM4550BVHNOPB is a general-purpose audio codec from Texas Instruments that implements the AC97 (Audio Codec 97) Rev 2.1 standard. It features 2 ADC channels and 2 DAC channels, enabling full-duplex stereo audio for PC audio cards, embedded multimedia systems, and consumer electronics.
How many audio channels does the LM4550BVHNOPB support?
The LM4550BVHNOPB supports 2 ADC (analog-to-digital converter) input channels and 2 DAC (digital-to-analog converter) output channels, providing stereo full-duplex audio operation. This allows simultaneous recording and playback at up to 48 kHz sample rate for CD-quality audio performance.
What package does the LM4550BVHNOPB come in?
The LM4550BVHNOPB is housed in a 48-pin LQFP (Low Profile Quad Flat Package), which is a surface-mount package suitable for compact PCB designs. The LQFP package provides a manageable footprint for integration in multimedia boards and embedded system designs.
What sample rate does the LM4550BVHNOPB support?
The LM4550BVHNOPB supports audio sample rates up to 48 kHz, which is standard for CD-quality and professional audio applications. This sample rate is compliant with AC97 Rev 2.1 specifications and suitable for VoIP, multimedia playback, and audio recording applications.
What are typical applications for the LM4550BVHNOPB?
Typical applications include PC motherboard audio codecs, embedded multimedia systems, VoIP terminals, set-top boxes, and consumer electronics requiring stereo audio input/output. Its AC97 compliance and full-duplex operation make it straightforward to integrate with standard audio controller chips found in desktop and embedded computing platforms.
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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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