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The W681511SG is a single-channel voiceband CODEC manufactured by Nuvoton Technology Corporation. It operates on a single 5V supply with a voltage range of 4.5 V to 5.5 V. The device features an 8-bit resolution and utilizes a PCM interface for data transmission. It integrates one ADC and one DAC for audio signal processing. The component supports surface mount installation in a SOP-20 package. It functions within a minimum operating temperature of -40°C and a maximum of +85°C.
Verify the specific suffix 'TR' if reel packaging is required, as the base part number may denote tube packaging. Confirm RoHS compliance status through official documentation. Check for end-of-life notifications or discontinuation notices from Nuvoton prior to procurement planning. Ensure the SOP-20 package variant matches the target PCB footprint requirements.
Select this component for applications requiring a dedicated single-channel voiceband codec with PCM interface. Compare against the W681512 series if differential output or TSSOP-20 packaging is preferred. Verify that the 8-bit resolution meets the system's audio quality specifications. Ensure the 4.5 V to 5.5 V supply range aligns with the design power rails.
The W681511SG belongs to the Nuvoton W6815xx series of audio codecs. It is functionally related to the W681512WG, which offers similar codec capabilities but in a TSSOP-20 package. Both devices serve as interface solutions for voiceband audio applications within the Nuvoton product portfolio.
Publicly confirmed substitute part numbers are not available in the provided source material. The W681512WG shares similar functional characteristics but differs in package type (TSSOP-20 vs SOP-20). Evaluate pinout compatibility before considering alternative packages.