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HomeProductsIntegrated Circuits (ICs)Interface - CODECsLM4549BVH
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LM4549BVH - Texas Instruments

Manufacturer Part Number
LM4549BVH
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM4549BVH
ECAD Model
Parts Description
IC AUDIO CODEC 2MULTICH 48-LQFP
Detailed Description
Package
48-LQFP
Data sheet
LM4549B.pdf
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In stock: 11410

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Specifications

LM4549BVH Tech Specifications
Texas Instruments - LM4549BVH technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM4549BVH

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply, Digital 3.3V ~ 5.5V  
Voltage - Supply, Analog 4.2V ~ 5.5V  
Type Audio, AC 97  
Supplier Device Package 48-LQFP (7x7)  
Sigma Delta Yes  
Series -  
S/N Ratio, ADCs / DACs (db) Typ -  
Resolution (Bits) 18 b  
Product Attribute Attribute Value  
Package / Case 48-LQFP  
Package Tray  
Operating Temperature -40°C ~ 85°C  
Number of ADCs / DACs 2 / 2  
Mounting Type Surface Mount  
Dynamic Range, ADCs / DACs (db) Typ 90 / 89  
Data Interface Serial  
Base Product Number LM4549  

Parts Introduction

Manufacturer Part Number

LM4549BVH

Manufacturer

Texas Instruments

Introduction

The LM4549BVH is an AC '97 audio codec interface designed for PC multimedia systems.

Product Features and Performance

18-bit resolution

Two ADCs and two DACs

Sigma-Delta technology

Compatible with Serial data interface

90 dB Dynamic Range for ADCs

89 dB Dynamic Range for DACs

Product Advantages

Integrated headphone amplifier

Provides high-quality audio fidelity

Designed to meet PC2001 audio performance requirements

Key Technical Parameters

Voltage Supply Analog: 4.2V to 5.5V

Voltage Supply Digital: 3.3V to 5.5V

Operating Temperature: -40°C to 85°C

Support for Variable Rate Audio

Quality and Safety Features

Exceeds Microsoft PC 99 and PC 2001 System Design Guide

Compatibility

Meet AC '97 specifications

Compatible with Serial data interface

Application Areas

PC multimedia systems

Sound cards

Product Lifecycle

Obsolete - Potential alternatives or replacements may be needed

Several Key Reasons to Choose This Product

High fidelity audio playback and recording

Support for multiple audio formats

Low power consumption

Robust operating temperature range supporting harsh environments

Ease of integration into system design due to LQFP packaging

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM4549BVH

Product Attribute LM4549BVH LM4548AVH LM4548AVHX LM4550BVH
Part Number LM4549BVH LM4548AVH LM4548AVHX LM4550BVH
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Dynamic Range, ADCs / DACs (db) Typ 90 / 89 90 / 89 90 / 89 90 / 89
Sigma Delta Yes Yes Yes Yes
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C
Type Audio, AC 97 AC 97, Stereo Audio AC 97, Stereo Audio Audio, AC '97
Voltage - Supply, Analog 4.2V ~ 5.5V 4.2V ~ 5.5V 4.2V ~ 5.5V 4.2V ~ 5.5V
S/N Ratio, ADCs / DACs (db) Typ - - - -
Package Tray Bulk Bulk Tray
Supplier Device Package 48-LQFP (7x7) 48-LQFP (7x7) 48-LQFP (7x7) 48-LQFP (7x7)
Voltage - Supply, Digital 3.3V ~ 5.5V 4.2V ~ 5.5V 4.2V ~ 5.5V 3V ~ 5.5V
Data Interface Serial AC97, Serial AC97, Serial Serial
Base Product Number LM4549 - - LM4550
Series - LM4548 LM4548 -
Number of ADCs / DACs 2 / 2 2 / 2 2 / 2 2 / 2
Package / Case 48-LQFP 48-LQFP 48-LQFP 48-LQFP
Resolution (Bits) 18 b 18 b 18 b 18 b

LM4549BVH Datasheet PDF

Download LM4549BVH pdf datasheets and Texas Instruments documentation for LM4549BVH - Texas Instruments.

HTML Datasheet
LM4549B.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LM4549BVH Image

LM4549BVH

Texas Instruments
32D-LM4549BVH

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