mermaid ventura 170/181 TFT Video Models - Users Manual Version 1.0a

Appendix C: Technical Specifications

Input Video and sync signal

Parameter

Value

Unit

 

 

 

Max. Output Resolution

1280x1024

Pixels

 

 

 

Data Processing

24

Bits

 

 

 

Input impedance

 

 

Video

75

Ohms

Sync

470

Ohms

Sync Polarities

+/-

 

 

 

 

Sync Levels

TTL compatible

 

 

 

 

Max. Number of colors

16.7 M

Colors

 

 

 

 

Electrical Parameters

reference: tA 25 C

Symbo

Description

Min

Typ

Max

Unit

 

 

 

 

 

 

VD D

+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

VP P

 

 

 

 

 

 

fS

Video sample rate

 

 

80

MHz

 

 

 

 

 

 

fH S

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 S I L

Sync input low level

 

 

0.8

VDC

 

 

 

 

 

 

ID D 2

Supply current @ +12V , ventura 170 TFT

 

3.0

3.3

A

 

 

 

 

 

 

ID 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 tA 25 C.

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Mermaid Technology 181, 170 Appendix C Technical Specifications, Input Video and sync signal, Electrical Parameters

170, 181 specifications

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