Acer 4820T - Manual (Page 32)

22 Chapter 1
Power and Keyboard Controller
Battery
LCD
Features • 98dB Signal-to-Noise Ratio (A-weighting) for DAC output
• 90dB Signal-to-Noise Ratio (A-weighting) for ADC input Internal Digital
• Power support: 3.3V digital core power; 1.5V~3.3V digital IO power for
HDA link; 3.0V~5.0V analog power; 3.0V~5.0V power stage voltage
• Microphone Acoustic Echo Cancellation (AEC), Noise Suppression
(NS), and Beam Forming (BF) technology for voice application
• Stereo Bridge-Tied Load Class-D amplifier at port-D has 2Watt (rms)/
4amps per channel output
• Analog Microphone
• Headphone with SPDIF jack
• 48-pin QFN ‘Green’ package
Item Specification
Controller ACPI 2.0
Total number of keypads 99-/100-/103-key keyboard
Windows logo key Yes
Hotkeys See “Hot Keys” on page 16.
Item
Specification
6 Cell
Vendor & model name SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A
Battery Type Li-ion
Pack capacity 4400 mAh
Normal Voltage 2.2 Ah
Package configuration 3S2P
Item Specification
Vendor/model name AUO/CPT/CMO/Samsung/LCD/INL
Screen Diagonal (in) 14”
Display resolution (pixels) 1366 x 768 WXGA Clare
Pixel Pitch 0.204 x 0.204
Display Mode Normal
Typical White Luminance (cd/m
2
)
(also called Brightness)
220
Contrast Ratio 500 typical
Response Time (Optical Rise
Time/Fall Time) msec 8
Luminance Uniformity 1.25 max
Electrical Interface LVDS
Support Color 262K
Viewing Angle (up/down/right/
left) 15/35/45/45
Item Specification