Industrial LCD Panel

  • Description
Product Detail

Industrial LCD panel

Industrial LCD panel ADM1602N


Model No. ADM1602N

?Industrial LCD panel

?Character LCD

?5 x 8 dots includes cursor

?Built-in controller ST7066

?5V/3.0V power supply

?1/16 duty cycle


Description of industrial LCD panel ADM1602N

Amotec Display provides you with the toughest industrial LCD panel available in the industry. We offer industrial LCD panel with your choice of mounting options that are capable of operating under extreme conditions such as heat, sunlight, and dust as well as in the presence of corrosive elements.

 

Features 

1.5x8 dots

2.Built-in controller (ST7066 or equivalent)

3.+5V power supply (also available for =3.0V)

4.1/16 duty cycle

5.Easy interface with 4-bit or 8-bit MPU

6.BKL to be driven by pin1, pin2, or A, K

7.16x2 characters


Outline dimension

1.jpg


Absolute maximum ratings

Item

Symbol

Standard

Unit

Power voltage

VDD-VSS

-0.3

-

7.0

V

Input voltage

VIN

-0.3

-

VDD+0.3

Operating temperature range

Top

0

-

+50

?

Storage temperature range

Tst

-10

-

+60

*Wide temperature range is available

(operating/storage temperature as –20~+70/-30~+80?)


Block diagram

2.jpg


Interface description

Pin no.

Symbol

External connection

Function

1

VSS

Power supply

Signal ground for LCM (GND)

2

VDD

Power supply for logic for LCM

3

V0

Contrast adjust

4

RS

MPU

Register select signal

5

R/W

MPU

Read/write select signal

6

E

MPU

Operation (data read/write) enable signal

7~10

DB0~DB3

MPU

Four low order bi-directional three-state data bus lines.
Used for data transfer between the MPU and the LCM.
These four are not used during 4-bit operation.

11~14

DB4~DB7

MPU

Four high order bi-directional three-state data bus lines.
Used for data transfer between the MPU

 

A(LED+)

LED BKL power supply

Power supply for BKL (Anode)

 

K(LED-)

Power supply for BKL (GND)


Contrast adjust

3.jpg


VDD~V0: LCD Driving voltage  

VR: 10k~20k


Optical characteristics

TN type display module (Ta=25?, VDD=5.0V)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Viewing angle

?

Cr=4

-25

-

-

deg

F

-30

-

30

Contrast ratio

Cr

 

-

6

-

-

Response time (rise)

Tr

-

-

120

150

ms

Response time (fall)

Tr

-

-

120

150


STN type display module (Ta=25?, VDD=5.0V)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Viewing angle

?

Cr=2

-60

-

35

deg

F

-40

-

40

Contrast ratio

Cr

 

-

8

-

-

Response time (rise)

Tr

-

-

200

250

ms

Response time (fall)

Tr

-

-

300

350


Electrical characteristics

DC characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Supply voltage for LCD

VDD-V0

Ta =25?

-

4.6

-

V

Input voltage

VDD

 

4.7

5.0

5.5

Backlight supply voltage

VF

 

-

 

-

Supply current

IDD

Ta=25?, VDD=5.0V

-

1.5

2.5

mA

Input leakage current

ILKG

 

-

-

1.0

uA

“H” level input voltage

VIH

 

2.2

-

VDD

V

“L” level input voltage

VIL

Twice initial value or less

0

-

0.6

“H” level output voltage

VOH

LOH=-0.25mA

2.4

-

-

“L” level output voltage

VOL

LOH=1.6mA

-

-

0.4


Read cycle (Ta=25?, VDD=5.0V) 

Parameter

Symbol

Test pin

Min.

Typ.

Max.

Unit

Enable cycle time

tc

E

500

-

-

ns

Enable pulse width

tw

230

-

-

Enable rise/fall time

tr, tf

-

-

20

RS; R/W setup time

tsu

RS; R/W

40

-

-

RS; R/W address hold time

th

10

-

-

Data output delay

td

DB0~DB7

-

-

120

Data hold time

tdh

5

-

-


Write cycle (Ta=25?, VDD=5.0V)

Parameter

Symbol

Test pin

Min.

Typ.

Max.

Unit

Enable cycle time

tc

E

500

-

-

ns

Enable pulse width

tw

230

-

-

Enable rise/fall time

tr, tf

-

-

20

RS; R/W setup time

tsu1

RS; R/W

40

-

-

RS; R/W address hold time

th1

10

-

-

Data output delay

tsu2

DB0~DB7

80

-

-

Data hold time

th2

10

-

-


4.jpg


FAQ

1.Comparison between STN LCD and TFT displays?

STN LCDs require less power and are less expensive to manufacture than TFT LCDs, another popular type of LCD that has largely superseded STN for mainstream laptops. STN displays typically suffer from lower image quality and slower response time than TFT displays. However, STN LCDs can be made purely reflective for viewing under direct sunlight. STN displays are used in some inexpensive mobile phones and informational screens of some digital products.

2.What are the Installing Precautions

The hole in the printed circuit board is used to fix LCM as shown in the picture below. Attend to the following items when installing the LCM.

(1)Cover the surface with a transparent protective plate to protect the polarizer and LC cell.

5.jpg

(2)When assembling the LCM into other equipment, the spacer to the bit between the LCM and the fitting plate should have enough height to avoid causing stress to the module surface, refer to the individual specifications for measurements. The measurement tolerance should be 0.1mm.

3.What is the difference between COG and COB ?

COG LCD modules can be more compact, reliable, cost effective, and require a lower currency than COB LCD modules.

4.How long can we expect the samples?

Answer: Most of the time, we have samples in stock. If not, it only take 1-2weeks for us to get samples ready.


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