Acer ASPIRE 5742 Service Manual page 35

Audio Codec and Amplifier
Item
Audio Controller
Features
Wireless Module 802.11b/g/n
Item
Chipset
Data throughput
Protocol
Interface
Battery
Item
Vendor & model name
Battery Type
Pack capacity
Number of battery cell
Package configuration
Chapter 1
Realtek ALC272X-GR
• Two stereo DAC support 16/20/24-bit PCM for two independent
playback (multiple streaming)
• Two stereo ADC supports 16/20/24-bit PCM format for two
independent recording
• All DACs support independent 44.1k/48k/96k/192kHz sample rate
• Two independent SPDIF outputs support 16/20/24-bit format and
44.1k/48k/88.2k/96k/192kHz rate
• Supports line level mono output
• Supports analog PCBEEP input, and features an integrated digital
BEEP generator
• Support two stereo digital microphone input for microphone array
AEC/BF application
• Supports legacy analog mixer architecture
• Supports two GPIO (General Purpose Input/Output) pins (pin sharing
with digital microphone interface)
• Supports EAPD (External Amplifier Power Down) control for external
amplifier
• Supports anti-pop mode when analog power AVDD is on and digital
power is off
• Supports 1.5V~3.3V scalable I/O for HD Audio link
• 48-pin LQFP 'Green' package
Atheros HB93/ HB97,
Broadcom BCM943225/ BCM43225,
Realtek RTL8192,
11~54 Mbps, up to 270 Mbps for Draft-N
802.11 b+g, Draft-N
PCI bus (mini PCI socket for wireless module)
Sanyo AS10D,
Simplo AS10D,
Sony AS10D,
Samsung AS10D,
Panasonic AS10D
Li-ion
2200 mAh
6
3S2P
Specification
Specification
Specification
25