Audio Codec And Amplifier - Acer Aspire V7-582 Service Manual

Audio Codec and Amplifier

Item
Audio Controller
Features
Amplifier
1-42
Realtek ALC3225-CG High Definition Audio Codec
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

Premium Logo
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
Realtek ALC1001-CGT (DFN-16pin)
Specification
Hardware Specifications and Configurations