LM4546BVH/NOPB
- Mfr.Part #
- LM4546BVH/NOPB
- Manufacturer
- National Semiconductor
- Package / Case
- 48-LQFP
- Datasheet
- Download
- Description
- LM4546B AC '97 REV 2.1 CODEC WIT
- Stock
- 2,500
- In Stock :
- 2,500
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- Manufacturer :
- National Semiconductor
- Product Category :
- CODECS
- Operating Temperature :
- -40°C~85°C
- ECCN Code :
- EAR99
- Voltage - Supply, Digital :
- 3V~5.5V
- Peak Reflow Temperature (Cel) :
- 260
- Dynamic Range, ADCs / DACs (db) Typ :
- 90 / 89
- Thickness :
- 1.4mm
- Number of Pins :
- 48
- Length :
- 7mm
- Number of DAC Channels :
- 2
- JESD-609 Code :
- e3
- Factory Lead Time :
- 6 Weeks
- Pbfree Code :
- yes
- Power Consumption :
- 285mW
- Data Interface :
- Serial
- Radiation Hardening :
- No
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Base Part Number :
- LM4546
- Package / Case :
- 48-LQFP
- Terminal Form :
- Gull wing
- Power Supplies :
- 3.3/55V
- Sampling Rate :
- 48 ksps
- Width :
- 7mm
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Number of Channels :
- 1
- RoHS Status :
- ROHS3 Compliant
- Resolution (Bits) :
- 18 b
- Terminal Position :
- QUAD
- Height :
- 1.6mm
- Weight :
- 181.692094mg
- Mount :
- Surface Mount
- Number of Terminations :
- 48
- Packaging :
- Tray
- Type :
- Audio, AC '97
- Terminal Pitch :
- 0.5mm
- Mounting Type :
- Surface Mount
- Voltage - Supply, Analog :
- 4.2V~5.5V
- Max Supply Voltage :
- 5.5V
- Terminal Finish :
- Matte Tin (Sn)
- Lead Free :
- Lead Free
- Number of Analog Inputs :
- 6
- Sigma Delta :
- yes
- Min Supply Voltage :
- 3V
- Pin Count :
- 48
- Conversion Rate :
- 48 ksps
- Gain :
- 20 dB
- Number of Functions :
- 1
- Number of ADCs / DACs :
- 2 / 2
- Datasheets
- LM4546BVH/NOPB

CODECS National Semiconductor LM4546BVH/NOPB Overview
The CODECS National Semiconductor LM4546BVH/NOPB is a high-performance audio codec that supports AC '97 REV 2.1 interface specifications, making it ideal for integrating into multimedia and audio communications systems. Designed by National Semiconductor, a leader in analog technology, this codec ensures reliable audio performance with enhanced sound quality and fidelity. Its robust design and advanced features cater to a broad range of industrial and consumer applications, significantly enhancing audio playback and recording capabilities in complex electronic systems.
LM4546BVH/NOPB Features
This codec incorporates several key features that make it a versatile choice for developers and engineers. It supports multiple audio formats, providing flexibility in dealing with various audio inputs and outputs. Additionally, its low-power consumption and minimal external component requirement make it suitable for portable devices. With built-in error detection and correction mechanisms, the LM4546BVH/NOPB ensures high reliability and audio quality, making it an excellent choice for demanding audio applications.
LM4546BVH/NOPB Applications
- PC Audio Systems: Utilized in desktop and laptop computers to manage audio data streams effectively, ensuring clear and crisp sound quality for both playback and audio recording.
- Portable Media Devices: Integrated into MP3 players, portable speakers, and other handheld entertainment units to provide high-quality audio playback in a compact form factor.
- Home Audio Systems: Employed in home theater systems and smart home devices, enhancing the audio experience with superior codec performance for multimedia applications.
- Automotive Audio Systems: Used in vehicle infotainment systems to deliver enhanced audio fidelity and support complex audio processing tasks required in modern automotive environments.
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