3.4 inch IPS Circular TFT LCD Display 800x800(ILI9881C) - RFB703400A-AYW-MNN
3.4 inch IPS Circular TFT LCD Display 800x800(ILI9881C) - RFB703400A-AYW-MNN
3.4 inch IPS Circular TFT LCD Display 800x800(ILI9881C) - RFB703400A-AYW-MNN

3.4 inch IPS Circular TFT LCD Display 800x800(ILI9881C)

Model No. RFB703400A-AYW-MNN

RFB703400A-AYW-MNN is a 3.4-inch Circular TFT Display. This module uses an IPS screen, allowing users to see clear imaging at wider viewing angles (85/85/85/85 degrees). It adopts ILI9881C driver IC supporting 4-lane MIPI interfaces. RFB703400A-AYW-MNN features a resolution of 800x800 pixels and a brightness of 300 cd/m2.

This model has a module dimension of 94.9 x 96.95 mm and an active area of 87.6 x 87.6 mm; its supply voltage ranges from 2.5V to 3.6V (typical value:3.3V). The RFB703400A-AYW-MNN module can operate at temperatures from -20°C to +70°C; its storage temperature covers from -30°C to +80°C.This TFT module is suitable for home appliances, industrial control devices, etc.

Inquiry or Demo Code Datasheet Back Previous Next
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
TFT Series IPS TFT LCD, Wide View TFT, Circular TFT
Size (Diagonal) 3.4 inch
Dot Matrix / Resolution 800 × RGB × 800(TFT) dots
Module Dimension 94.9 × 96.95 × 2.22 mm
Active Area 87.6 × 87.6 mm
Dot / Pixel Pitch 0.1095 × 0.1095 mm
LCD Type TFT, Normally Black, Transmissive
View Direction 85/85/85/85 (IPS)
Backlight Type LED, Normally White
Control Board No
IC ILI9881C
Interface 4-Lanes MIPI
Touch Panel Without Touch Panel
Surface Anti-Glare
Brightness 300 cd/㎡
Operating Temperature -20~+70 °C
Storage Temperature -30~+80 °C

LCM PIN Definition

Pin Symbol Function
1 VLED+ VLED backlight anode.
2 VLED- VLED backlight cathode.
3 VLED- VLED backlight cathode.
4 VCI Power supply for the analog power
5 IOVCC

Power supply for the logic power and I/O circuit
(IOVCC = VDDI)

6 RESET Reset signal(low active) (RESET=RESX)
7 TE Tearing effect output
8 NC No connection
9 GND Power ground
10 D0P MIPI-DSI data lane 0 positive input pin.
11 D0N MIPI-DSI data lane 0 negative input pin
12 GND Power ground
13 D1P MIPI-DSI data lane 1 positive input pin.
14 D1N MIPI-DSI data lane 1 negative input pin.
15 GND Power ground
16 CLKP MIPI-DSI data lane positive input pin.
17 CLKN MIPI-DSI data lane negative input pin.
18 GND Power ground
19 D2P MIPI-DSI data lane 2 positive input pin.
20 D2N MIPI-DSI data lane 2 negative input pin
21 GND Power ground
22 D3P MIPI-DSI data lane 3 positive input pin.
23 D3N MIPI-DSI data lane 3 negative input pin
24 GND Power ground
25-30 NC No connection

3.4 inch IPS Circular TFT LCD Display 800x800(ILI9881C) - RFB703400A-AYW-MNN

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Power Supply voltage 1 VCI~GND -0.3 +3.6 V
Power Supply voltage 2 IOVCC~GND -0.3 +3.3 V
Logic Input Voltage Range VIN -0.3 IOVCC+0.3 V
Logic Output Voltage Range VO -0.3 IOVCC+0.3 V

Operating conditions

Item Symbol Min Typ Max Unit
Supply voltage for analog circuit VCI 2.5 3.3 3.6 V
Supply voltage for logic circuit IOVCC 1.65 1.8 3.3 V
Current for VCI I-vci - 20 30 mA
Current for IOVCC I-iovcc - 20 30 mA
Input voltage "H" level VIH 0.7*IOVCC - IOVCC V
Input voltage "L" level VIL GND - 0.3*IOVCC V
Output voltage "H" level VOH 0.8*IOVCCI - IOVCC V
Output voltage "L" level VOL GND - 0.2*IOVCC V
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