Industrial LCD Module

Industrial LCD module
Industrial LCD module ADM2002B
Model No. ADM2002B
►industrial LCD module
►Character LCD

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Product Details

Industrial LCD module

Industrial LCD module ADM2002B

Model No. ADM2002B

►industrial LCD module

►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 module ADM2002B

High quality and cost-effective industrial LCD module ADM2002B with Long product life cycle.Wide Temperature Range of -30°C up to 85°C Top. Viewing angle is 6 or 12 o’clock. Industrial LCD module ADM2002B has got RoHs Compliance.

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.Backlight optional

7.20x2 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 pin 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

15

A(LED+)

LED BKL power supply

Power supply for BKL (Anode)

16

K(LED-)

Power supply for BKL (GND)

Contrast adjust

3.jpg

VDD~V0: LCD Driving voltage

VR: 10k~20k

Optical characteristics

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

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Viewing angle

θ

Cr≥2

-60

-

35

deg

Φ

-40

-

40

Contrast ratio

Cr


-

8

-

-

Response time (rise)

Tr

-

-

200

250

ms

Response time (fall)

Tr

-

-

300

350

FSTN type display module (Ta=25℃, VDD=5.0V)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Viewing angle

θ

Cr≥2

-60

-

45

deg

Φ

-40

-

40

Contrast ratio

Cr


-

10

-

-

Response time (rise)

Tr

-

-

300


ms

Response time (fall)

Tr

-

-

280


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

-

5.5

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 time

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 time

tsu2

DB0~DB7

80

-

-

Data hold time

th2

10

-

-

4.jpg

FAQ

1.What is RoHS?

RoHS is the acronym for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products.

5.jpg

2.What are the restricted materials mandated under RoHS?

The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE).

3.Why is RoHS compliance important?

The restricted materials are hazardous to the environment and pollute landfills, and are dangerous in terms of occupational exposure during manufacturing and disposal. At RelianceCM we take our certifications seriously, from our ISO9001 certification to our RoHS compliant manufacturing facility, we pride ourselves on taking a vested interest in our clients and delivering high quality products and services while being environmentally conscious.

4.Which companies are affected by the RoHS Directive?

Any business that sells applicable electronic products, sub-assemblies or components directly to EU countries, or sells to resellers, distributors or integrators that in turn sell products to EU countries, is impacted if they utilize any of the banned materials.

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