Mermaid Technology 170, 181 Appendix C: Technical Specifications

mermaid ventura 170/181 TFT Video Models - Users Manual Version 1.0a
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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
VDD +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 VPP
fS Video sample rate 80 MHz
fHS 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
IDD2 Supply current @ +12V , ventura 170 TFT 3.0 3.3 A
IDD2 Supply current @ +12V , ventura 181 TFT A
Note 1. Power consumption measuring condition is 2pixel checkerboard pattern @ XGA 75Hz and
maximum brightness at tA 25 C.
reference: tA 25 C