LTPH245 datasheet(30/64 Pages) SII

30 / 64 page

3-17

3.5.6

Thermal Head Electrical Characteristics

Table 3-9 Thermal Head Electrical Characteristics

(Vdd=4.5 to 5.5V, Ta=0 to 50

°C)

Rated Values

Item

Simbol

Conditions

MIN

TYP

MAX

Unit

Head resistance

144.5

170

195.5

Ω

Head drive voltage

4.2

7.2

8.5

Head drive current

max. common activated dot 64

1.3

2.6

3.5

Logic block voltage

Vdd

4.5

5.0

5.5

Waiting for activation

0.5

fclk=4MHz,DAT=fixed

Logic block current

Idd

Ta=

°C

fclk=4MHz,DAT=1/2fclk

"High" input voltage

Vih

CLK,DAT,LATCH,DST

0.8

×Vdd

Vdd

"Low" input voltage

Vil

CLK,DAT,LATCH,DST

0.2

×Vdd

CLK

µA

DAT

0.5

µA

LATCH

µA

"High" input

current

DST

Iih

Ta=25

°C

Vdd=5.0(V)

Vih=5.0(V)

µA

CLK

-3

µA

DAT

-0.5

µA

LATCH

-3

µA

"Low" input

current

DST

Iil

Ta=25

°C

Vdd=5.0(V)

Vil=0(V)

-0.5

µA

Driver leak current

I leak Vp=7(V), for 1 bit

1.0

µA

CLK frequency

fclk

MHz

CLK pulse width

See the Timing Chart

DAT setup-time

See the Timing Chart

DAT hold time

See the Timing Chart

LATCH setup time

See the Timing Chart

120

LATCH pulse width

See the Timing Chart

120

LATCH hold time

See the Timing Chart

120

DST setup time

See the Timing Chart

120

LTPH245 Datasheet(PDF) 30 Page - Seiko Instruments Inc

LTPH245 Datasheet(HTML) 30 Page - Seiko Instruments Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64

Datasheet Download

Link URL