92hdw74d Integrated Device Technology, 92hdw74d Datasheet
92hdw74d
Manufacturer Part Number
92hdw74d
Description
8-channel Hd Audio Codec, Dual Spdif
Manufacturer
Integrated Device Technology
Datasheet
1.92HDW74D.pdf
(259 pages)
EIGHT CHANNEL HD AUDIO CODEC
PREMIUM WLP 3/4 COMPLIANT
Description
The 92HDW74D codec is a low power optimized, high
fidelity, 8-channel audio codec compatible with Intel’s High
Definition (HD) Audio Interface. The 92HDW74D codec
provides stereo 24-bit resolution with sample rates up to
192kHz. Dual SPDIF provides connectivity to consumer
electronic equipment that is WLP compliant. The
92HDW74D provides high quality, HD Audio capability to
multimedia notebook and desktop PC applications.
Features
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Block Diagram
EIGHT CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
8 Channels (4 stereo DACs and 2 stereo ADCs) with
24-bit resolution
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Microsoft WLP 3/4 premium logo compliant, as
defined in WLP 3.09
Optimized and flexible power management with
pop/click mitigation
Supports 7.1 audio
Supports full-duplex 5.1 audio and simultaneous VoIP
1
SPDIF
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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)
4 adjustable VREF Out pins for microphone bias
High performance analog mixer
9 stereo analog ports with presence detect
capability
Two-pin volume up/down control
Digital and Analog PC Beep to all outputs
Integrated headphone amps (3)
Sample rates up to 192kHz
+3.3 V, +4 V, +4.75 V and +5 V analog power supply
options
48-pin QFP RoHS package
Port G
SPDIF Out 1
SPDIF Out 2
SPDIF In
Port A
Port B
Port C
Port D
Port E
Port I
Port F
Port H
92HDW74D
DATASHEET
92HDW74D
V 1.0 03/08
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