Dell ST2220T User Manual

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Electrical Specifications
Physical Characteristics
Environmental Characteristics
Display Mode
Horizontal
Frequency
(kHz)
Vertical
Frequency (Hz)
Pixel Clock
(MHz)
Sync Polarity
(Horizontal/Vertical)
640 x 350
31.47
70.09
25.18
+/-
640 x 400
31.47
70.09
25.18
-/+
640 x 480
31.47
59.94
25.17
-/-
640 x 480
31.50
75.00
31.5
-/-
720 x 400
31.47
70.08
28.32
-/+
800 x 600
37.88
60.32
40.00
+/+
800 x 600
46.880
75.00
49.50
+/+
1024 x 768
48.36
60.00
65.00
-/-
1024 x 768
60.02
75.03
78.75
+/+
1152 x 864
67.50
75.00
108.00
+/+
1280 x 1024
63.98
60.02
108.00
+/+
1280 x 1024
79.98
75.02
135.00
+/+
1920 x 1080-R
66.587
59.934
138.50
+/-
1920 x 1080
55.62
49.92
141.50
-/+
Video input signals
Analog RGB, 0.7 Volts +/- 5%, positive polarity at
75 ohm input impedance
Digital DVI-D TMDS, HDMI, 600mV for each
differential line, positive polarity at 50 ohm input
impedance
Audio Input and Output signals
Input signal level: 2Vrms without chipping
Synchronization input signals
Separate horizontal and vertical synchronizations,
polarity-free TTL level, SOG (Composite SYNC on
green)
AC/DC Adaptor input voltage/frequency/current
100 to 240 VAC/50 or 60 Hz + 3 Hz/1.6A (Max.)
For use only with power supply DELL,
DA65NS4-00.
Inrush current
120 V: 30 A (Max.)
240 V: 60 A (Max.)
Connector type
15-pin D-sub miniature, blue connector; DVI-D, white connector; HDMI, Black connector
Signal cable type
Digital: Detachable, DVI-D, Solid pins, shipped detached from the monitor
Analog: Detachable, D-Sub, 15pins, shipped attached to the monitor
HDMI: Detachable, HDMI-A, Solid pins, shipped without cable
Dimensions
Height
14.96 inches (380.1 mm)
Width
20.79 inches (528.1 mm)
Depth
2.3 inches (58.5 mm)
Weight
Weight with packaging
8.03 kg (17.7 lbs)
Weight with cables
6.30 kg (13.9 lbs)
Temperature

Operating
0°to40°C(32°to104°F)

Dell ST2220T Specifications

General

Pixel pitch	0.248 x 0.248 mm
Screen shape	Flat
Response time	8 ms
Display diagonal	21.5 \
Display brightness	250 cd/m²
Display technology	LCD
Touchscreen technology	Optical imaging
Contrast ratio (dynamic)	50000:1
Display number of colors	16.78 million colors
Display diagonal (metric)	54.6 cm
Certification	EPEAT Silver
Product color	Black
Ethernet LAN (RJ-45) ports	0
Display viewable area (HxV)	475.2 x 267.3 mm
Dimensions (W x D x H) with stand	528.1 x 58.5 x 380.1 mm
Cables included	DVI, USB, VGA
DVI-D ports quantity	1
USB upstream port type	USB Type-B
USB Type-A downstream ports quantity	3
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	1 W
Power consumption (typical)	28 W
Operating altitude	0 - 3658 m
Non-operating altitude	3658 - 12192 m
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 80 %
Package weight	7800 g
Wall mountable	No
Panel mounting interface	No mm
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	58.5 mm
Width (with stand)	528.1 mm
Height (with stand)	380.1 mm
Weight (with stand)	6300 g