EL320.240.36-HB Operations Manual (020-0346-00A)
5
Specifications
Performance characteristics are guaranteed when measured at 25°C with rated
input voltage unless otherwise specified.
Control Basics
The EL panel is a matrix structure with column and row electrodes arranged in
an X-Y formation. Light is emitted when an AC voltage of sufficient amplitude
is applied at a row-column intersection. The display operation is based on the
symmetric, line-at-a-time data addressing scheme.
Power
The supply voltages are shown in Table 1. All internal high voltages are
generated from the display supply voltage (V
H
). The logic supply voltage (V
L
)
should be present whenever video input signals or V
H
is applied. The
minimum and maximum specifications in this manual should be met, without
exception, to ensure the long-term reliability of the display. Planar does not
recommend operation of the display outside these specifications.
Table 1. DC Input Voltage Requirements.
Parameter
Symbol
Min
Typ
Max
Absolute Max
Logic supply voltage
V
L
4.75
V
5 V
5.25 V
6 V
Logic supply current at +5 V
I
L
0.10
A
Display supply voltage
V
H
8 V
12 V
18 V
19V
Supply current at +12 V
I
H
0.4A
0.9
A
Power consumption @
maximum frame rate
5.5 W
11 W
Power consumption @ 120 Hz
3.5 W
CAUTION: Absolute maximum ratings are those values beyond which
damage to the device may occur.
Table 2. Video Input Requirements.
Description Min
Max
Units
Notes
Absolute Input Voltage
Range
-0.3 5.5 V
V
L=
5.0 V
Video logic high voltage
2.2
5.0
V
All input thresholds are TTL
Video logic low voltage
0
0.8
V
Video logic input current
–
±
0.25
mA
±
0.75 mA max Selftest
Input capacitance
–
15
pF
There is no overcurrent protection on either the V
H
or V
L
inputs to protect
against catastrophic faults. Planar recommends the use of a series fuse on the
12 volt supply(V
H
). A general guideline is to rate the fuse at 1.8 to 2 times the
display maximum current rating.
