datasheetbank_Logo     Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site
HOME  >>>  National-Semiconductor  >>> LM4549B PDF

LM4549B Datasheet PDF - National ->Texas Instruments

Part NameDescriptionManufacturer
LM4549B AC ’97 Rev 2.1 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound National-Semiconductor
National ->Texas Instruments National-Semiconductor
Other PDF  no available.
LM4549B Datasheet PDF : LM4549B pdf   
LM4549B image

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.

■ AC ’97 Rev 2.1 compliant
■ High quality Sample Rate Conversion from 4 kHz to 48 kHz in 1 Hz increments
■ Multiple codec support
■ True Line Level Output with separate gain control
■ National’s 3D Sound stereo enhancement circuitry
■ Advanced power management support
■ External Amplifier Power Down (EAPD) control
■ PC-Beep passthrough to Line Out during Initialization or Cold Reset
■ Digital 3.3V and 5V supply options
■ Extended Temperature: −40˚C ≤ TA ≤ 85˚C

■ Desktop PC audio systems on PCI cards, AMR cards, or with motherboard chips sets featuring AC Link
■ Portable PC systems as on MDC cards, or with a chipset or accelerator featuring AC Link
■ General and Multi-channel audio frequency systems
■ Automotive Telematics


Other manufacturer searches related to LM4549B

Part NameDescriptionPDFManufacturer
LM4550B AC '97 Rev 2.1 Multi-Channel Audio Codec With Stereo Headphone Amplifier, Sample Rate Conversion and TI 3D Sound LM4550B View Texas Instruments
AK4541 AC’97™ Rev 2.1 Multimedia Audio CODEC AK4541 View Asahi Kasei Microdevices
AK4543VQ AC’97™ Rev 2.1 Multimedia Audio CODEC AK4543VQ View Asahi Kasei Microdevices
ALC250 TWO CHANNEL AC’97 2.3 AUDIO CODEC with EQUALIZER ALC250 View Unspecified
CMI9761A 6 Channel AC’97 2.3 Audio Codec CMI9761A View Unspecified
HMP9701A AC’97 Audio Codec HMP9701A View Intersil
WM9708 AC’97 Revision 2.1 Audio Codec WM9708 View Wolfson Microelectronics plc
AK4545 AC’ 97™ Audio CODEC with SRC and DIT AK4545 View Asahi Kasei Microdevices
YMF743 AC’97 Revsion2.1 Audio CODEC with Digital Audio I/F YMF743 View Yamaha Corporation
AK4544A AC’ 97™ Multimedia Audio CODEC with SRC AK4544A View Asahi Kasei Microdevices

Share Link : 

한국어 简体中文 日本語 русский español

All Rights Reserved © 2014 - 2019  ] [ Privacy Policy ] [ Request Datasheet  ] [ Contact Us ]