APS SS205-V4+ LV - Thermal Head and Printing Configuration; Outlines; Thermal Head Electrical Characteristics

Advanced Printing Systems
SS205-V4+ LV - Technical Manual - Rev B Page 6
3. THERMAL HEAD AND PRINTING CONFIGURATION
3.1. Outlines
Number of heat elements 384 dots
Heat element pitch 0.125 mm
Print width 48 mm (centered on paper)
Average resistance 123 Ohms ± 3%
Resistance variation within a head - 10% ≤ △ R /Rav ≤ +10%
3.2. Thermal Head Electrical Characteristics
Parameter
Symbol
Test
conditions
Recommendations
Unit
Min.
Typ.
Max.
Supply voltage
VDD
3
5.0
5.25
V
VH
-
-
9.5
V
Inout voltage for
logic
VIH
0.8xVDD
-
VDD
V
VIL
0
0.2xVDD
V
Clock frequency
fCLK
duty 50%
-
-
10
MHz
Parameter
Symbol
Test conditions
Ratings
Unit
Min.
Typ.
Max.
Input
current
for logic
LATCH
IIH
VIH = VDD
-
-
3.0
uA
STROBE
-
-
1.0
uA
CLOCK
-
-
3.0
uA
DATA IN
-
-
0.5
uA
LATCH
IIL
VIL = GND
-330
uA
STROBE
-110
uA
CLOCK
-3
uA
DATA IN
-0.5
uA
"L" Output voltage of
drivers
VDOL
VDD=3V
IDOL= 60mA
-
0.7
0.9
V
Leak current of drivers
ILEAK
VDOH = 8 V
1
uA/dot
Logic supply current
Idd
fCLK=8MHz
DI=1/2fCLK
21
60
mA
Logic supply current
(Non-Operation)
Is
DATA IN/CLOCK
= GND Other
logic signal open
150
µA