92hd75b Integrated Device Technology, 92hd75b Datasheet
92hd75b
Manufacturer Part Number
92hd75b
Description
Four Channel Hd Audio Codec
Manufacturer
Integrated Device Technology
Datasheet
1.92HD75B.pdf
(214 pages)
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Description
The 92HD75B is a low power optimized, high fidelity,
4-channel audio codec compatible with Intel’s High
Definition (HD) Audio Interface. The 92HD75B provides
stereo 24-bit resolution with sample rates up to 192kHz.
The 92HD75B provides high quality, HD Audio capability to
notebook and business desktop PC applications.
Features
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•
•
•
Block Diagram
FOUR CHANNEL HD AUDIO CODEC
LOW POWER OPTIMIZED
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
4 Channels (2 stereo DACs and 2 stereo ADCs)
with 24-bit resolution
•
•
Microsoft WLP 3/4 premium logo compliant, as
defined in WLP 3.09
Optimized and flexible power management with
pop/click mitigation
Support for 1.5V and 3.3V HDA signaling
Supports full-duplex stereo audio and simultaneous
VoIP
Provides a mono output
DUAL SPDIF
1
•
•
•
•
•
•
•
•
•
•
•
Digital microphone inputs (mono or stereo*)
High performance analog mixer
2 or 3* adjustable VREF Out pins for microphone
bias
5 or 6* analog ports with port presence detect
Two-pin volume up/down control
Digital and Analog PC Beep to all outputs
Integrated headphone amp
Sample rates up to 192kHz
+3.3 V, +4.75 V and +5 V analog power supply
options
3.3V digital power supply options
32-pad and 48-pad QFN RoHS packages
*dependant on package option
X
92HD75B
Port A
Port B
Port C
Port D
Port E
Port F
SPDIF Out 1
SPDIF Out 2
DATASHEET
package only
92HD75B
48 pad
V 1.0 01-09
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