92HD99B1X5NDGIWCX

Overview

The 92HD99B1X5NDGIWCX is a single-chip PC audio system codec manufactured by Tempo Semiconductor. It integrates four channels consisting of two stereo DACs and two stereo ADCs with 24-bit resolution. The device supports full-duplex stereo audio and simultaneous VoIP operations. Electrical specifications include a maximum power supply voltage of 3.465 V and a minimum of 3.135 V, operating within a temperature range of -40°C to +85°C. Audio performance metrics feature a signal-to-noise ratio of 98 dB for the DAC and a THD plus noise rating of 89 dB. The component is housed in a 40-pad QFN package.

Feature Summary

• Integrates a 2W Class-D stereo BTL speaker amplifier and a capless headphone amplifier with charge pump/LDO
• Includes hardware processing features such as a 10-band parametric equalizer and compressor limiter
• Supports combo jack detection for dual-function headphone and headset inputs
• Provides full HDA015-B low power support with rapid resume capabilities

Applications

• Notebook computer audio systems
• Business desktop PC audio platforms
• Full-duplex stereo audio applications
• Simultaneous Voice over IP (VoIP) implementations

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm temperature range and package variations. Confirm RoHS compliance status through manufacturer datasheets or environmental reports before integration. Check current availability as distribution channels may list this component as discontinued or limited stock.

Selection Notes

Select this component for designs requiring high integration of analog amplifiers and digital conversion on a small PCB footprint. Ensure the design accommodates the 40-pad QFN package requirements and moisture sensitivity handling protocols. Verify that the host system supports the required HD Audio signaling voltages and interface standards.

Part Context

This part belongs to the 92HD99 series of single-chip audio systems from Tempo Semiconductor. The series is designed to minimize system bill of materials by combining codec, amplifier, and regulator functions into one integrated circuit. It targets premium desktop and notebook audio solutions requiring high fidelity and low power consumption.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pin compatibility and electrical characteristics if considering cross-references from other manufacturers.