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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's Standard Package: The item count, length, weight, or volume contained in the supplier’s original packaging for efficient storage, handling, and distribution.
    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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In Stock: 23
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Price (USD)
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$63.08
25
$12.66
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$10.47
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