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LM4549AVH by national semiconductor
Image is representational - see manufacturer specifications

National Semiconductor

LM4549AVH

Audio Codec - 2ADC / 2DAC - 18bit - 48-Pin LQFP - Tray

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RoHS Non-Compliant
Discontinued
Packaging
Certificate of Compliance
Description +
Audio Codec - 2ADC / 2DAC - 18bit - 48-Pin LQFP - Tray
Product Highlights:
149;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
•Nationals 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
Potential Applications: 149;
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
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SPECS +
  • Product Attribute
    Attribute Value Select Attribute
  • Supplier:
    National Semiconductor
  • Part No:
    LM4549AVH
  • Unit of Measure:
    Per Each
  • RoHS:
    No
  • HTS:
    8542390000
  • ECCN:
    EAR99
  • Supplier Standard Pack: This information is provided for customers who prefer to buy in multiples of the Manufacturer’s Standard Package quantity. Minimum Order Quantities and Required Order Multiples are presented with our price and availability information.
    1
  • Pin Count:
    48
  • Mounting:
    Surface Mount
  • Sampling Rate:
    48 ksps
  • Operating Temperature:
    -40 to 85 °C
  • Number of ADCs:
    2
  • ADC/DAC Resolution:
    18 bit
  • Dimension:
    7 x 7 x 1.4 mm
  • Family:
    LM4549A
  • Packaging:
    Tray
  • Number of DACs:
    2
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Frequently Asked Questions
Is LM4549AVH discontinued?
Yes, LM4549AVH from National Semiconductor is discontinued. OnlineComponents.com is an authorized distributor and may have remaining stock or a recommended replacement for it.
Is LM4549AVH RoHS compliant?
No, LM4549AVH is not RoHS compliant.
What is the lead time for LM4549AVH?
The standard lead time for LM4549AVH is approximately 9 weeks. In-stock quantities ship from OnlineComponents.com.

  • This product is discontinued, but still in stock.

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We’ll meet or beat any authorized competitor’s published price for this part.
In Stock: 23
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Price (USD)
Qty
Unit Price
1
$63.08
25
$12.66
100 +
$10.47
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