Acer Aspire V7-582, Service Manual

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1-42 Hardware Specifications and Configurations
Audio Codec and Amplifier
Item Specification
Audio Controller Realtek ALC3225-CG High Definition Audio Codec
Features

24-bit, 2 pairs of independent DACs and 3 pairs of independent ADCs

ProCoustic headphone driver delivers 50 mW into 32 ohm load with
no pop, eliminating the need for an external amplifier and
DC-blocking capacitors

Integrated 5 V to 3.3 V low-dropout voltage regulator for improved
audio performance, eliminating need for external regulator or
power transistor.

Integrated 3.3 V to 1.8 V low-dropout voltage regulator, used to
power digital blocks

Integrated 2 WRMS (per channel) class-D stereo speaker amplifier
with Spread Spectrum and 10-kV ESD withstand capability

Digital Microphone interface with internal MIC boost supporting 2
digital microphone elements

Works with all digital microphones.

Internal microphone boost

Digital: 0, 12, 24, 36, 48 dB

Analog: 0, 10, 20, 30, 40 dB

Microphone Security Control

Please contact Conexant Sales/FAE for additional confidential
document to disable the bit in microphone from the BIOS.

Exceeds Windows Vista and Windows 7 Desktop and Notebook
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
Requirements, WLP4.0

D-Flex power management exceeds Intel ECR 15B requirements, and
features Wake-On-PCBeep functionality

Hardware Headphone limiter bit (supports GS Mark EN50332-2)

Compliant with Intel High Definition Audio Specification Rev. 1.0

Supports both 1.5 V and 3.3 V signaling with the core logic chipset

Retaskable ports

Configure between Headphone and Line-out or between Mic and
Line-in

Independent sampling rate for DAC and ADC; supports audio
formats ranging from 16-bit, 44.1 kHz to 24-bit, 192 kHz for DACs,
and from 16-bit, 44.1 kHz to 24-bit, 96 kHz for ADCs.

Pop Shield: pops and clicks reduction circuitry, including class-D
speaker outputs

Jack sense detects up to 8 jacks using only two sense pins

Dual Sony Philips Digital Interface (S/PDIF) outputs

Digital Mixer

Simultaneous DAC and SPDIF engines

+3.3 V analog and I/O operation; uses Vaux for power
management modes
Amplifier Realtek ALC1001-CGT (DFN-16pin)