Low Cost Small Size OLED Display 0.49 Inch I2C Interface For Handheld Application
0.49 Inch OLED Display 64*32 Dots Product Introduction
0.49-inch OLED products are small display screens widely used in various smart devices and instruments due to their ultra-thin, low-power, high contrast, and wide viewing angle characteristics. A 0.49-inch OLED display typically has a 64x32 pixel dot matrix, capable of displaying white fonts, driven by an SSD1315 controller, supports I2C serial interface, and operates at 2.8V voltage. This type of display screen, due to the self luminous characteristics of OLED, does not require backlighting, thus having the advantages of ultra-thin body design and low power consumption. Their working temperature range is wide, from -40 ℃ to 85 ℃, and they are suitable for various environmental conditions. In addition, the 0.49-inch OLED display screen adopts FPC connection method, which facilitates direct soldering to the PCB without the need for connectors.
0.49-inch OLED products are highly suitable for devices with strict space requirements due to their compact size and high resolution. They are widely used in smart watches, health monitoring devices, small display screens for industrial control systems, portable game consoles, and other occasions that require small and efficient display screens. 0.49-inch OLED products have become one of the preferred solutions for modern small displays due to their unique technological advantages and wide application potential. With the maturity of technology and the expansion of the market, we can expect such products to play a more important role in future smart and electronic devices.
Features
- Model number: SFOS049XZ-7111AN
- Display Mode: Passive Matrix
- Display Color: Monochrome (White)
- Drive Duty: 1/32 Duty
- Driver IC: SSD1315 or Equivalent
- Number of Pixels: 64 × 32
- Pin number: 14
- Panel Size: 14.5 × 11.6 × 1.227 (mm)
- Active Area: 11.18 ×5.58 (mm)
- Pixel Pitch: 0.175 × 0.175 (mm)
- Pixel Size: 0.155 × 0.155 (mm)
Product Drawing
Interface Pin Definition
| Pin No. | Symbol | I/O | Function |
| PowerSupply | |||
| 8 | VDD | P |
Power Supply for Logic |
| 7 | VSS | P |
Ground of Logic Circuit |
| 14 | VCC | P |
Power Supply for OEL Panel |
| Driver | |||
| 12 | IREF | I |
Current Reference for Brightness Adjustment |
| 13 | VCOMH | O |
Voltage Output High Level for COM Signal. This pin is the input pin for the voltage output high level for COM signals. A |
| DC/DC Converter | |||
|
|
|
|
Power Supply for DC/DC Converter Circuit |
|
3/4 |
C1P/C1N |
I | Positive Terminal of the Flying Inverting Capacitor Negative Terminal of the Flying Boost Capacitor The charge-pump capacitors are required between the terminals. They must be floated when the converter is not used. |
| Interface | |||
|
|
|
|
Power Reset for Controller and Driver |
| 10 | SCL | I |
I2C Bus Data Signal |
| 11 | SDA | I/O |
I2C Bus Data Signal |
| Reserve | |||
|
6 |
VBREF |
- |
NC |
Optics Characteristics
| Characteristics | Symbol | Conditions | Min | Typ | Max | Unit | |
|
Brightness (VCC Supplied Externally) |
Lbr | Note 5 | 160 | - | - | cd/m2 | |
|
Brightness (VCC Generatedby Internal DC/DC) |
Lbr | Note 6 | 160 | 180 | - | cd/m2 | |
| C.I.E. (White) | (x) (y) | C.I.E. 1931 | 0.25 0.27 | 0.29 0.31 | 0.33 0.35 | ||
| Dark Room Contrast | CR | - | 2000:1 | - | |||
| Viewing Angle | - | Free | - | degree | |||
DC Characteristics
| Characteristics | Symbol | Conditions | Min | Typ | Max | Unit | |
| Supply Voltage for Logic | VDD | 1.65 | 2.8 | 3.3 | V | ||
|
Supply Voltage for Display (Supplied Externally) |
VCC |
Note 5 (Internal DC/DC Disable) |
7.0 | 7.25 | 7.5 | V | |
| Supply Voltage for DC/DC | VBAT | Internal DC/DC Enable | 3.3 | - | 4.2 | V | |
| Supply Voltage for Display (Generatedby Internal DC/DC) | VCC |
Note 6 (Internal DC/DC Enable) |
7.0 | - | 7.25 | V | |
| High Level Input | VIH | IOUT = 100μA, 3.3MHz | 0.8×VDD | - | VDD | V | |
| Low Level Input | VIL | IOUT = 100μA, 3.3MHz | 0 | - | 0.2×VDD | V | |
| High Level Output | VOH | IOUT = 100μA, 3.3MHz | 0.9×VDD | - | VDD | V | |
| Low Level Output | VOL | IOUT = 100μA, 3.3MHz | 0 | - | 0.1×VDD | V | |
| Operating Current for VDD | IDD | - | 180 | 300 | μA | ||
| Operating Current for VCC (VCC Supplied Externally) |
ICC |
Note 7 |
- |
5 |
10 |
mA |
|
| Operating Currentfor VBAT (VCC Generatedby Internal DC/DC) | IBAT |
Note 8 |
- |
10 |
15 |
mA |
|
| Sleep Mode Current for VDD | IDD, SLEEP | - | 1 | 5 | μA | ||
| Sleep Mode Current for VCC | ICC, SLEEP | - | 2 | 10 | μA | ||
Product Image
Contents of Reliability Tests
| Item | Conditions | Criteria | |
| High Temperature Operation | 70℃, 240 hrs |
The operational functions work. |
|
| Low Temperature Operation | -40℃, 240 hrs | ||
| High Temperature Storage | 85℃, 240 hrs | ||
| Low Temperature Storage | -40℃, 240 hrs | ||
| High Temperature/Humidity Operation | 60℃, 90% RH, 120 hrs | ||
| Thermal Shock |
-40℃ <==> 85℃, 24 cycles 60 mins dwell |
||
Facilities and Certificates
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