92HD700XX5PRGXYYX 데이터 시트보기 (PDF) - Integrated Device Technology

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92HD700XX5PRGXYYX

10-CHANNEL HIGH DEFINITION AUDIO CODEC

Integrated Device Technology 

92HD700

10-CHANNEL HIGH DEFINITION AUDIO CODEC

PC AUDIO

1. DESCRIPTION

The 92HD700 is a high fidelity, 10-channel audio CODEC compatible with the Intel High Definition

(HD) Audio Interface. The 92HD700 CODEC provides high quality HD Audio capability to notebook

and cost sensitive desktop PC applications.

The 92HD700 incorporates IDT's proprietary technology to achieve a DAC SNR of 95dB. The higher

performance and quality of IDT’s audio solutions brings consumer electronics level performance to

the notebook, desktop and media center PC.

The 92HD700 provides stereo, 24-bit, full duplex resolution, supporting sample rates up to 192 KHz

by the DAC and ADC. The SPDIF In/Out support sample rates of 96 KHz, 48 KHz and 44.1 KHz,

plus SPDIF OUT supports 88.2 KHz. Additional sample rates are supported by the driver software.

The 92HD700 supports all desired ten-channel configurations, including switchable Headphone Out,

and Universal Jacks™ functionality for jack detection and re-tasking. The SPDIF interface provides

connectivity to Consumer Electronic equipment like Dolby Digital decoders, powered speakers, mini

disk drives or a home entertainment systems. All analog I/O pairs support LINE_IN, LINE_OUT and

MIC.

MIC inputs can be programmed with 0/10/20/30/40dB boost. For more advanced configurations, the

92HD700 has up to three General Purpose I/O (GPIO) pins. The 92HD700 also provides a sin-

gle-ended CD input for compatibility with DRM solutions and to support legacy OS issues.

The 92HD700 integrates a headphone amplifier on Ports A, B and D. The headphone amplifier is

dedicated to these three outputs for increased flexibility, enhanced user experience, and reduced

implementation costs.

The Universal Jack™ feature allows the CODECs to detect when audio devices are plugged in, and

for the CODECs to be reconfigured to support these devices regardless of which port they are

plugged into. SPDIF input sensing is also supported. The fully parametric IDT SoftEQ can be initi-

ated/disabled upon headphone jack insertion/removal for protection of notebook speakers. Note:

The Jack Detect circuit and component selection are critical for accurate detection of audio jacks on

individual ports. Please see the IDT 92HD700 reference design for circuit implementation details.

The 92HD700 operates with a 3.3 V digital supply and a 5 V analog supply.

The 92HD700 is available in 48-pin LQFP Environmental (ROHS) packages.

IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC

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IDT CONFIDENTIAL

92HD700

V 1.2 112006

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