
Realtek ALC3228 High Definition Audio
Type
Integrated
HD Stereo Codec
Realtek ALC3228 4-channel codec
Ports
Line-In/Microphone input ports are 47K (nominal) at the pin
Line-Out intended to drive an external 10K load (nominal) and an on board shunt resistor of
20-47K (nominal)
Headphone-Out designed to drive 32 ohm (nominal) headphones or a 10K (nominal) load
All ports are 3.5 mm
Internal Speaker Amplifier
2.2W/channel Class-D stereo BTL speaker amplifier@ 4 ohms and 5V
Sampling
The ALC3228 audio CODEC provides stereo 24- bit, full duplex resolution supporting
sample rates up to 192kHz by the DAC and ADC. Additional sample rates are supported by
the driver software.
Analog Audio
Yes
# of Channels on Line-Out
4 Channels (2 stereo DACs and 2 stereo ADCs) with 24-bit resolution
Internal Speaker
Yes
QuickSpecs
HP ProOne 400 G1 All-in-One PC (19.5” Non-Touch)
Technical Specifications - Audio
DA - 14700 Worldwide QuickSpecs — Version 1 — 1.8.2014
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