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92HD73C

SIX CHANNEL HD AUDIO CODEC

Integrated Device Technology 

92HD73C

SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT

PC AUDIO

1. DESCRIPTION

1.1. Overview

The 92HD73C is a high fidelity, 6-channel audio codec compatible with the Intel High Definition (HD)

Audio Interface. The 92HD73C codec provides high quality, HD Audio capability to desktop and

multi-media notebook.

The 92HD73C is designed to meet or exceed premium logo requirements for Microsoft’s Windows

Logo Program (WLP) 3.09 and revisions 4 as indicated in WLP 3.09.

The 92HD73C provides stereo 24-bit, full duplex resolution supporting sample rates up to 192kHz by

the DAC and ADC. 92HD73C SPDIF outputs support sample rates of 192kHz, 176.4kHz, 96kHz,

88.2kHz, 48kHz, and 44.1kHz. 92HD73C SPDIF input supports sample rates of 96kHz, 88.2kHz,

48kHz, and 44.1kHz. Additional sample rates are supported by the driver software.

The 92HD73C supports a wide range of desktop and consumer 8 channel configurations. The 2

independent SPDIF output interfaces provides connectivity to Consumer Electronic equipment like

Dolby Digital decoders, powered speakers, mini disk drives or to a home entertainment system.

Simultaneous HDMI and SPDIF output is possible.

MIC inputs can be programmed with 0/10/20/30dB boost. For more advanced configurations, the

92HD73C has 8 General Purpose I/O (GPIO).

The port presence detect capabilities allow the codecs to detect when audio devices are connected

to the codec. Load impedance sensing helps identify attached peripherals for easy set-up and a bet-

ter user experience. The fully parametric IDT SoftEQ can be initiated upon headphone jack insertion

and removal for protection of notebook speakers.

The 92HD73C operates with a 3.3V digital supply and either 3.3V, or 5V analog supply. It can also

work with 1.5V and 3.3V HDA signaling; the correct signalling level is selected dynamically based on

the power supply voltage on the DVDD-IO pin.

The 92HD73C1X is available in a 48-pin LQFP Environmental (ROHS) package.

The 92HD73C1T is available in a 48-pin LQFP Environmental (ROHS) INDUSTRIAL Temperature

package.

Additional products with the same features as the 92HD73C are the 10-channel 92HD73E and the

8-channel 92HD73D.

1.2. Orderable Part Numbers

92HD73C1X5PRGXyyX

6 channel, 5V, 48QFP

92HD73C1T5PRGIyyX

6 channel, 5V, 48QFP i-temp

yy = silicon stepping/revision, contact sales for current data.

Add an “8” to the end for tape and reel delivery. Min/Mult order quantity 2ku.

Contact IDT if interested in 3.3V Analog version.

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SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT

92HD73C

V 1.3 08/11

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