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92HD71B7 Datasheet, PDF (1/216 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
DATASHEET
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR
LOW POWER
92HD71B7
Description
The 92HD71B7 codec is a low power optimized, high
fidelity, 4-channel audio codec compatible with Intel’s High
Definition (HD) Audio Interface. The 92HD71B7 codec
provides stereo 24-bit resolution with sample rates up to
192kHz. Dual SPDIF provides connectivity to consumer
electronic equipment that is WLP complaint. The
92HD71B7 provides high quality, HD Audio capability to
notebook and business desktop PC applications.
Features
• 4 Channels (2 stereo DACs and 2 stereo ADCs) with
24-bit resolution
• Supports full-duplex stereo audio and simultaneous VoIP
• Provides a mono output for laptop sub-woofer
• Microsoft WLP 3/4 premium logo compliant, as
defined in WLP 3.09
• Optimized and flexible power management with
pop/click mitigation
• 2 independent S/PDIF Output converters for WLP
compliant HDMI/SPDIF support.
• Support for 1.5V and 3.3V HDA signaling with
runtime selection
• Digital microphone input (mono, stereo, or quad
array)
• 3 Adjustable VREF Out pins for microphone bias
• High performance analog mixer option
• 6 analog ports
• Supports to 3 stereo microphone inputs
• Two-pin volume up/down control
• Digital PC Beep to all outputs
• Integrated headphone amp
• Jack insertion detection
• Sample rates up to 192kHz
• +3.3 V, +4 V, +4.75 V and +5 V analog power supply
options
• 48-pin QFP and 48-pad QFN RoHS packages
Preliminary Datasheet
Block Diagram
X
DUAL SPDIF
Port A
Port B
Port C
Port D
Port E
Port F
SPDIF Out 1
SPDIF Out 2
IDT™ CONFIDENTIAL AND PROPRIETARY
1
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
V 0.9 07/07