92HD99B4X5NDGXWCX

Overview

The Tempo Semiconductor 92HD99B4X5NDGXWCX is a single-chip PC audio system codec featuring integrated Class-D speaker amplifier, capless headphone driver, and LDO. It provides four channels with two stereo DACs and two stereo ADCs operating at 24-bit resolution and up to 192 kHz conversion rates. The device supports full-duplex stereo audio, simultaneous VoIP, and combo jack detection. It includes a 10-band hardware parametric equalizer, hardware compressor limiter, and dedicated BTL high-pass filter for speaker protection. The component operates within a temperature range of 0°C to +70°C and 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.
• Supports Full HDA 015-B low power modes with rapid D3 to D0 transitions under 10 msec.
• Features a 10-band hardware parametric equalizer and hardware compressor limiter for signal processing.
• Includes combo jack support enabling dual-function headphone and headset detection.

Applications

• Notebook computer audio systems
• Business desktop PC audio platforms
• VoIP communication devices

Procurement Notes

Verify the specific ordering suffix against official datasheets to confirm temperature range and package variations. Confirm RoHS compliance status through manufacturer documentation before procurement. Ensure compatibility with Intel High Definition Audio specifications for intended system integration.

Selection Notes

Select this component for designs requiring high integration to minimize PCB footprint and bill of materials. Evaluate the need for integrated Class-D amplification versus external solutions based on power constraints. Consider the hardware equalizer capabilities if software-based DSP resources are limited.

Part Context

This part belongs to the 92HD99 series of single-chip audio systems designed for PC applications. It consolidates codec, amplifier, and regulator functions into one package. The series targets cost-sensitive and space-constrained consumer electronics markets.

Replacement Considerations

Consult official substitution lists for compatible alternatives. Verify pinout and register compatibility when replacing existing components in established designs.

FAQ

Does the 92HD99 support digital microphone inputs?

Yes, the device supports digital microphone inputs configured as either mono or stereo.

What is the maximum output power of the integrated speaker amplifier?

The integrated Class-D stereo BTL speaker amplifier delivers 2W at 4 ohms and 5V supply voltage.

Is combo jack detection supported?

Yes, the codec supports combo jacks allowing for dual-function headphone and headset detection.