Acer Aspire Timeline Ultra M5 481 Service Manual page 43

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Features
Hardware Specifications and Configurations
24-bit, 2 pairs of independent DACs and 3 pairs of
independent ADCs
ProCoustic headphone driver delivers 50 mW into 32 _ 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.
Specification
1-33

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