W6810IS

Overview

The W6810IS is a single-channel PCM CODEC designed for voiceband applications, operating from a single +5V power supply. It features pin-selectable μ-Law or A-Law companding compliant with ITU G.711 and filtering compliant with ITU G.712. The device supports seven master clock rates ranging from 256 kHz to 4.096 MHz via an internal pre-scaler. Electrical specifications include a typical power dissipation of 25 mW and a power-down mode consumption of 0.5 μW. It operates within an industrial temperature range of –40°C to +85°C and is available in 20-pin PDIP, SOG, SSOP, and TSSOP packages.

Feature Summary

• Single +5V power supply operation with low power consumption
• Fully-differential analog circuit design for noise reduction
• On-chip precision voltage reference for accurate signal processing
• Push-pull power amplifiers capable of driving 300 Ω loads differentially

Applications

• Digital Telephone Systems
• Central Office Equipment (Gateways, Switches, Routers)
• PBX Systems (Gateways, Switches)
• VoIP Terminals
• Analog line cards

Procurement Notes

Verify the specific package suffix against the datasheet ordering information to ensure correct physical dimensions and pinout compatibility. Confirm that the component meets RoHS requirements if lead-free packaging is necessary for the assembly process. Check for any revision differences that might affect timing parameters or electrical characteristics relative to the current design requirements.

Selection Notes

Select this component for systems requiring a single-channel voiceband codec with standard PCM interfaces. Ensure the system provides a stable +5V supply within the specified tolerance. Verify that the master clock frequency falls within the supported range of 256 kHz to 4.096 MHz. Consider the required companding format (μ-Law or A-Law) when designing the hardware configuration for the select pin.

Part Context

The W6810 series includes variants such as W6810IW and W6810ISG TR, manufactured by Nuvoton Technology Corporation. These devices are part of a broader family of audio codecs designed for telecommunications and voice processing applications. The IS variant specifically denotes the SOP-20 package option among other available form factors like PDIP and TSSOP.

Replacement Considerations

Direct replacements may include the W6810IW or W6810ISG TR from Nuvoton. Verify pin compatibility and electrical specifications before substitution. Other single-channel voiceband CODECs with similar interface protocols may serve as alternatives if pinouts differ.