Sanyo LPH-14918-09 Specifications

Ordering number : EN5901

LPH-14918-09

Red Laser Diode

LPH-14918-09

LED PRINTHEAD

1. Description

LPH-14918-09 is a printing head for optical printer using one-line LED array of 14464 dots.
It has 128 bit Driver ICs which consist of shift register, latch, strobe and output driver.
It has an effective printing width of 918.4 mm, a resolution of 400 dot/inch and can perform high-speed and high
reliable printing.

2. Mechanical Characteristics (refer to Fig. LPH14918090-00010-AA) (Ta=25°C)

No. Item Ratings

(1) Array Length 918.5 mm ± 0.5 mm
(2) Number of Emitters 14464 dots
(3) Emitter Size 35µm × 40µm ± 5(with stripe electrode)
(4) Emitter Pitch 63.5µm
(5) Pitch Error (X1) ± 20µm (chip to chip)

± 5µm (inside a chip)

(6) Emitter Y-Direction Error (Y1) Max. 20µm (chip to chip)

Emitter Linearity (Y2 ) Max. 200µm (along LED chips)

(7) lst dot Distance from Origin Point X2=33.3± 0.3mm

Y2=0± 0.2mm
Z=1.2± 0.2mm

(8) Head Dimensions 1015(L) × 38(W) × 38(H)
(9) Head W eight T.B.D.

X1 Y1

Y2

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN

31698 GI, (IM

)

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LPH-14918-09

3. Optical Characteristics (Ta=25°C, SLA-20 TC18.0)

Item Symbol Min. Typ. Max. Unit Remarks

Wavelength λp 665 665 675 nm
Average Light Output IO 0.5 ----µW/dot ❊1
Uniformity1 ID ---- 22.5 % ❊2
Uniformity2 IR ----10 % ❊3
MTF 40 ----%❊4, 1 on / 1 off

❊1 Power meter AQ-2105B (ANDO electric co., Itd.)
❊2 ID = ((Imax-Imin) / (Imax+Imin)) × 100 %
❊3 IR = ((Iave (n) -- Iave (n-1)) / Iave (n-1)) × 100 %
❊4 MTF = ((a-b) / (a+b)) × 100 % (at Drum Surface)

4. Electrical Characteristics

4-1 Electrical Circuit
Item Summary

(1) Equivalent Circuit Refer to LHP14918090-00020-AA
(2) Timing Chart(Pixel Level) Refer to LHP14918090-00030-AA
(3) Data Transfer Method 8 inputs serial transfer (ODD / EVEN)
(4) Clock Frequency Max. 15 MHZ
(5) Interface

(Pin Assignment)

Refer to LPH14918090-00020-AA

4-2 Absolute Maximum Ratings
Item Sym Conditions Min Typ Max Unit Remarks

Supply Voltage VDD T a=25°C-- 0.3 -- 6.5 V
Input Voltage VI Ta=25 °C-- 0.3 --VDD+0.3 V
LED Junctin Temp. Tj ---80°C
Head T emp. Thead ---60°C Al Base

4-3 Recommended operating Conditions (Ta=25°C, Vss=0V)
Item Sym. Conditions Min Typ Max Unit Remarks

Supply Voltage VDD Ta=25°C 4.75 5.0 5.25 V
CLOCK Frequency fC ----15MHZ
Supply Current IP Ta=25°C60A

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LPH-14918-09

4-4 Electrical Characteristics (Ta=25°C, VDD=5 ± 0.25V)
Item Symbol

"H"Level Input Voltage VIH 0.7VDD --VDD V
"L"Level Input Voltage VIL 0-- 0.3VDD V
"H"Level Input Current I IH
"L"Level Input Current I IL

Supply Current ION

IDD

Conditions

VI=VDD=5.25V

VDD=5.25V

VI=0V

VDD=5V

VI=0V

VDD=5.25V

ALL ON

fc=15MHz

VDD=5.25V

ALL ON

fc=15MHz

Min. Typ. Max. Units Remarks

---- 150 µA

------150 µA

-- 0.9 -- 2.8 -- 5.7 mA STB

--1827 AVDD, VSS

-- 2.8 3.6 A VDD, VSS

5. Environmental Performance

Item Guarantee Range

(1) Operating Temperature 5→45°C
(2) Operating Humidity 10→90 % RH (No Condensation )
(3) Storage Temperature --10→65°C
(4) Storage Humidity 10→90 %RH (No Condensation)

DATA,CLOCK,LOAD,STB
DATA,CLOCK,LOAD,STB
DATA,CLOCK,LOAD
DATA,CLOCK,LOAD

1/4BLOCK ON

6. Life

(1) Operating Conditions

(a) The number of lighting dots is 10 % of all dots on an average.
(b) Electrical Opetation Ratings are typical values. (LED Duty Cycle / line ; 50 % max.)

(2) Judgement Criteria

The point where the average light output declines 30 % from the initial value or
the point where the minimum light output declines 50 % from the initial value.

(3) Life (LED on time)

Min. 1000 hrs.

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