3.5 inch tft screen

3.5 inch tft screen

3.5 inch tft screen

►Resolution : 320×480 dots
►View Direction: 12 o’clock
►Interface: RGB
►Driver IC: ST7796S
►Brightness(cd/m²): 480
►Outline Dimension: 55.48 * 84.71 * 2.30(mm)
►RTP/CTP: Optional

DESCRIPTION

HC-350CJ4008 is a 3.5 inch tft LCD display module with optional resistive touch screen and capacitive touch screen control with a resolution of 320×480 pixels. This size TFT LCD is in portrait mode with wider viewing angle by POL adjustment, Left: 70 / Right: 70 / Top: 60 / Bottom: 60 degrees (typical). Optional RTP or CTP.

This HC-350CJ4008 module has built-in ST7796S controller IC, supports RGB interface, power supply voltage (VCC) range is 3.0V to 3.6V, brightness is 480 nits (typ), and contrast ratio is 800:1. This module is a medical device , communication equipment, household appliances and other industrial ideals. The module can operate at temperatures from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

3.5 inch tft screen

SPECIFICATIONS

General Specifications

ItemContentsUnit
Size3.5inch
LCM Dimension55.48(W)* 84.71(H) * 2.30(T)mm
LCD Active Area48.96* 73.44mm
Number Of Dots320×480pixel
LCD Typea-Si TFT
Viewing Direction12 o’clock
Driver ICST7796S
Interface TypeRGB
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type6 LEDs
Brightness480 cd/m2

Interface

LCM PIN Definition

NO.SymbolDescription
1GNDGround
2GNDGround
3LEDABACKLIGHT ANODE
4LEDABACKLIGHT ANODE
5-10LEDKBACKLIGHT CATHODE
11GNDGround
12-17R0-R5Data Bus
18-23G0-G5Data Bus
24-29B0-B5Data Bus
30GNDGround
31PCLKDot Clock Signa
32RESETReset pin
33HSYNCLine Synchronizing Signal
34VSYNCFrame Synchronizing Signal
35DEData Enable Signal
36CSChip Select
37SDASerial Data Input
38SCLSerial  Clock
39VDDPOWER SUPPLY
40VDDPOWER SUPPLY

DC Characteristics

ItemSymbolMinTypMaxUnit
TFT gate on voltageVGH15V
TFT gate off voltageVGL-10V
TFT common electrode VoltageVcom-1V

Typical Operation Conditions

ItemSymbolMin.Typ.Max.Unit
Analog Supply VoltageVCI2.52.83.3V
Digital Supply VoltageVDD2.52.83.3V
I/O Supply VoltageIOVCC1.651.8/2.83.3V
Input High VoltageVIH0.8*IOVCCIOVCCV
Input Low VoltageVIL00.2*IOVCCV
Output High VoltageVOH0.8*IOVCCV
Output Low VoltageVOL0.2*IOVCCV

Backlight Circuit Characteristics

ItemSymbolMin.Typ.Max.Unit
LED CurrentIB1520mA
LED VoltageVf16.819.20V
CIEX0.2650.2950.325
Y0.260.290.32
Brightness of LCML400480cd/m2

Reliability Test Items

Test ItemTest ParametersKey factors for determining test results
High temperature storage80±3 ℃,48H; 
 
 
Low temperature storage-30±3 ℃,48H; 
 
High temperature storage70±3 ℃,48H;Inspection after 2~4hours storage at roomtemperature,
 
Low temperature operation-20±3 ℃,48H;the sample shall be free from defects:
 
High temperature/humidity60℃±3 ℃,90%±3%RH ,48H;1.Air bubble in the LCD;
 
Thermal Shock~20℃/0.5h~+70℃/0.5h
for a total 24 cycles;
2.Non-display;
 
 

 

Vibration Test

Frequency 10Hz~55Hz~10Hz3.Glass crack;
Amplitude:1.5mm, X,Y,Z 
direction for total 1H;4. The electrical
(Packing condition) 
 

 

ESD test

±4KV, Human Body Mode,characteristics requirements shall be satisfied.
150pF/330Ω; 
±8KV, Air Mode, 150pF/330Ω;

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