Datasheet4U Logo Datasheet4U.com

LM4549B

AC 97 Rev 2.1 Multi-Channel Audio Codec

LM4549B Features

* full duplex stereo ADCs and DACs and analog mixers with access to 4 stereo and 4 mono inputs. Each mixer input has separate gain, attenuation and mute control and the mixers drive 1 mono and 2 stereo outputs, each with attenuation and mute control. The LM4549B supports National’s 3D Sound stereo enh

LM4549B General Description

The LM4549B is an audio codec for PC systems which is fully PC99 compliant and performs the analog intensive functions of the AC ’97 Rev 2.1 architecture. Using 18-bit Sigma-Delta ADCs and DACs, the LM4549B provides 90 dB of Dynamic Range. The LM4549B was designed specifically to provide a high qual.

LM4549B Datasheet (956.49 KB)

Preview of LM4549B PDF

Datasheet Details

Part number:

LM4549B

Manufacturer:

National Semiconductor

File Size:

956.49 KB

Description:

Ac 97 rev 2.1 multi-channel audio codec.
LM4549B AC ’97 Rev 2.1 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound September 2006 LM4549B AC ’97 Rev 2.1 Multi-Chann.

📁 Related Datasheet

LM4549 - AC97 Codec (National Semiconductor)
LM4549 AC ’97 Rev 2.1 Codec with Sample Rate Conversion and National 3D Sound February 1999 LM4549 AC ’97 Rev 2.1 Codec with Sample Rate Conversion .

LM4549A - 2 Multi-Channel Audio Codec (National Semiconductor)
LM4549A AC ’97 Rev 2.1 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound May 2004 LM4549A AC ’97 Rev 2.1 Multi-Channel Au.

LM4549B - Multi-Channel Audio Codec (Texas Instruments)
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM4549B SNAS598B – JULY 2012 – REVISED JULY 2015 LM4549B AC .

LM4540 - AC97 Codec (National Semiconductor)
LM4540 AC ’97 Codec with National 3D Sound February 1999 LM4540 AC ’97 Codec with National 3D Sound General Description The LM4540 is an audio codec.

LM4543 - AC97 Codec (National Semiconductor)
LM4543 AC ’97 Codec with National 3D Sound February 1999 LM4543 AC ’97 Codec with National 3D Sound General Description The LM4543 is an audio codec.

LM4545 - AC97 Codec (National Semiconductor)
LM4545 AC ’97 Codec with Stereo Headphone Amplifier and National 3D Sound PRELIMINARY July 1999 LM4545 AC ’97 Codec with Stereo Headphone Amplifier .

LM4546 - AC97 Codec (National Semiconductor)
LM4546 AC ’97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound February 1999 LM4546 AC ’97 Rev 2 Codec with Sample Rate Conversion and .

LM4546 - AC97 Rev2 Codec (Texas Instruments)
OBSOLETE LM4546 .ti. SNOS440D – FEBRUARY 1999 – REVISED APRIL 2013 LM4546 AC '97 Rev 2 Codec with Sample Rate Conversion and TI 3D Sound Che.

TAGS

LM4549B Rev 2.1 Multi-Channel Audio Codec National Semiconductor

Image Gallery

LM4549B Datasheet Preview Page 2 LM4549B Datasheet Preview Page 3

LM4549B Distributor