W681307DG

Description：IC USB AUDIO CNTRLR 100LQFP
Series：-

SKU:8623da75cf7b Category: CODECS Brand: Nuvoton Technology Corporation

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC USB AUDIO CNTRLR 100LQFP
Series：-
Mfr：Nuvoton Technology Corporation
Package：Tray
Type：USB Controller
Data Interface：-
Resolution (Bits)：-
Sigma Delta：No
S/N Ratio, ADCs / DACs (db) Typ：-
Dynamic Range, ADCs / DACs (db) Typ：-
Voltage - Supply, Analog：-
Voltage - Supply, Digital：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

Download product information

W681307DG

Overview

The W681307 is a USB 1.1 CODEC Microprocessor Control Unit manufactured by Nuvoton Technology Corporation. It integrates a 32KB Mask ROM and 4KB RAM for firmware execution. The device supports USB Full-Speed operation compliant with the USB 1.1 specification. It features an integrated speech processor, echo canceller, and transcoder DSP for voice applications. The unit includes a PCM serial interface and SPI interface for system connectivity. Power drivers PO1 and PO2 are available for output stages. The component operates within standard voltage ranges defined in its electrical characteristics section.

Feature Summary

Integrated USB 1.1 full-speed controller with embedded memory
Built-in speech processing engine with echo cancellation capabilities
Supports PCM serial interface and SPI communication protocols
Includes programmable linear regulator and power driver outputs

Applications

USB-based voice communication terminals
VoIP handsets and conference phones
USB audio input/output devices requiring speech processing
Embedded telephony control units

Procurement Notes

Verify the specific revision level against the datasheet dated May 2007, Revision 1.3. Confirm that the 32KB Mask ROM content matches the required application firmware. Ensure compatibility with the target USB host controller and external crystal specifications before integration into the design.

Selection Notes

Select this component when a combined USB interface and analog voice codec is required in a single package. It is suitable for designs needing onboard speech processing without external DSPs. Verify pinout compatibility with the SSOP-20 or similar package variants if applicable to the PCB layout constraints.

Part Context

This part belongs to the Nuvoton W681xx series of USB CODEC microprocessors. It serves as a specialized solution for bridging USB digital interfaces with analog voice signals. The series is designed to reduce bill-of-materials count by integrating control logic, memory, and audio conversion functions.