Mermaid Technology 150170181190 - Manual (Page 13)

mermaid ventura 150/170/181/190 TFT Video Models - Users Manual Version 3.0a
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Page 13 of 18
Appendix B: Power Management Mode: VESA DPMS protocol applied
Mode Horizontal sync Vertical sync Video signal Power Consumption (max)
On Active Active Active 27,5W (15”) 40 W (17”-19”)
Stand.by Inactive Active Blanked
Suspend Active Inactive Blanked
Off Inactive Inactive Blanked
< 3 Watts
Appendix C: Technical Specifications
Input Video and sync signal
Parameter Value
Unit
Max. Output Resolution (15”) 1024x768 Pixels
Max. Output Resolution (17”, 18.1” & 19”) 1280x1024 Pixels
Data Processing
24 Bits
Input impedance
• Video
• Sync
75
470
Ohms
Ohms
Sync Polarities +/-
Sync Levels TTL
compatible
Max. Number of colors 16.7 Mill. Colors
Electrical Parameters
Symbol Description
Min Typ Max Unit
V
DD
+12V DC power supply 10.8 12.0 13.2 V
V
i(RGB)
Video input signal (w.r.t. GND) 0.5 0.7 1.0 V
PP
f
S
Video sample rate 80 MHz
f
HS
Horizontal sync frequency 30 60 KHz
f
vs
Vertical sync frequency 56 75 Hz
F
SIH
Sync input high level 2.5 V
V
SIL
Sync input low level 0.8 VDC
I
DD2
Supply current @ +12V , ventura 150 TFT 2.3 A
I
DD2
Supply current @ +12V , ventura 170 TFT 3.0 3.3 A
I
DD2
Supply current @ +12V , ventura 181 TFT 3.3 A
I
DD2
Supply current @ +12V , ventura 190 TFT 3.3 A
Note 1. Power consumption measuring condition is 2pixel checkerboard pattern @ XGA 75Hz and maximum
brightness at t
A
25°C.
reference : t
A
25 ° ° ° ° C