92HD71B7X3PRG 데이터 시트보기 (PDF) - Integrated Device Technology

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92HD71B7X3PRG

4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

Integrated Device Technology 

92HD71B7

4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

PC AUDIO

1. DESCRIPTION

1.1. Overview

The 92HD71B is a family of high fidelity, 4-channel audio codecs compatible with the Intel High Defi-

nition (HD) Audio Interface. The 92HD71B codecs provide high quality, HD Audio capability to note-

book and cost sensitive desktop PC applications.

92HD71B variants:

PartNumber

92HD71B8

92HD71B7

92HD71B5

DAC

SNR

103

95

95

#

of

Ports

6

6

4

Digital

M ixer

Yes

Yes

Yes

Hi-Perf.

Analog

M ixer

Yes

Yes

No

The higher performance and quality of IDT’s audio solutions brings consumer electronics level per-

formance to notebook and desktop PCs. 92HD71B7 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 92HD71B7 provides stereo 24- bit, full duplex resolution supporting sample rates up to 192kHz

by the DAC and ADC. The 92HD71B7 SPDIF outputs support sample rates of 192kHz, 96kHz,

88.2kHz, 48kHz, and 44.1kHz. Additional sample rates are supported by the driver software.

The 92HD71B7 supports a wide range of mobile and desktop 4 channel configurations. The 2 inde-

pendent SPDIF output interfaces provide connectivity to Consumer Electronic equipment like Dolby

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

neous WLP compliant HDMI and SPDIF output is possible. All analog input pairs support LINE_IN

and MIC.

MIC inputs can be programmed with 0/10/20/30dB boost. (40dB boost is available using the IDT

driver.) For more advanced configurations, the 92HD71B7 has up to 8 General Purpose I/O (GPIO).

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

to the codec. The fully parametric IDT SoftEQ can be initiated or disabled upon headphone jack

removal and insertion for protection of notebook speakers.

The 92HD71B7 operates with a 3.3V digital supply and either 3.3V, 4V, 4.75V 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.

Available in a 48-pin QFP or QFN Environmental (ROHS) packages.

IDT™ CONFIDENTIAL AND PROPRIETARY

10

4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

92HD71B7

V 0.9 07/07

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