LM4545VH
CONSUMER CIRCUITManufacturer: National Semiconductor
Categories: CODECS
Quality Control: Learn More
National Semiconductor's LM4545VH is an 18-bit audio codec designed for AC'97 interface applications. This surface mount component, housed in a 48-TQFP (7x7) package, features two ADCs and two DACs, each supporting a typical dynamic range of 90 dB and 89 dB respectively. The device utilizes Sigma Delta conversion technology, delivering high-fidelity audio processing. Its serial data interface simplifies system integration. The LM4545VH is suitable for a wide operating temperature range of -40°C to 85°C and operates from analog supply voltages between 4.2V and 5.5V, with digital supply voltages ranging from 3V to 5.5V. This component finds application in consumer electronics, including personal computers and multimedia devices.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TrayDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tray |
| Package / Case | 48-LQFP |
| Mounting Type | Surface Mount |
| Type | Audio, AC '97 |
| Data Interface | Serial |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply, Analog | 4.2V ~ 5.5V |
| Voltage - Supply, Digital | 3V ~ 5.5V |
| Resolution (Bits) | 18 b |
| Dynamic Range, ADCs / DACs (db) Typ | 90 / 89 |
| Number of ADCs / DACs | 2 / 2 |
| S/N Ratio, ADCs / DACs (db) Typ | - |
| Sigma Delta | Yes |
| Supplier Device Package | 48-TQFP (7x7) |
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