mermaid ventura 170/181 TFT Video Models - Users Manual Version 1.0a
Page 13 of 13
Appendix C: Technical Specifications
Input Video and sync signal
Parameter
Value
Unit
Max. Output Resolution
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 M
Colors
Electrical Parameters
Symbo 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
P P
f
S
Video sample rate
80
MHz
f
HS
Horizontal sync frequency
30
60
KHz
f
vs
Vertical sync frequency
56
75
Hz
F
S I H
Sync input high level
2.5
V
V
SIL
Sync input low level
0.8
VDC
I
D D 2
Supply current @ +12V , ventura 170 TFT
3.0
3.3
A
I
D D 2
Supply current @ +12V , ventura 181 TFT
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