Communication
Boardoza PC817C 2CH Isolated Level Shifter Breakout Board
The Boardoza PC817C 2CH Isolated Level Shifter Breakout Board is a dual-channel signal level isolation and conversion module built around the Sharp PC817C optocoupler. Each channel provides complete galvanic isolation between the input and output sides, ensuring safe and reliable signal transmission between circuits operating at different voltage levels. This board supports input and output voltages ranging from 3.3V to 12V, making it compatible with most microcontrollers, sensors, and external modules. It is an ideal choice for logic level shifting, industrial control, PLC interfacing, and noise protection in electronic systems.
Where to buy?
1 / 4
Key Features
- Four Independent Channels: Each signal channel is fully isolated using Sharp PC817C optocouplers.
- Wide Voltage Range: Compatible with 3.3V to 12V logic systems on both input and output sides.
- Safe Signal Conversion: Provides reliable galvanic isolation between low and high voltage domains.
- Unidirectional Transmission: Ideal for logic level shifting and digital signal interfacing.
Technical Specifications
- Model
- Sharp PC817C
- Manufacturer
- Sharp Corporation
- Functions
- Isolated Level Shifting
- Channels
- 2
- Input Voltage Range
- 3.3V – 12V
- Maximum Frequency
- 1.5 kHz
- Maximum Frequency
- ±5% (Max)
- Operating Temperature
- -55°C ~ +110°C
- Board Dimensions
- 20mm x 40mm
Board Pinout
( J1 ) Power Supply
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VIN | Voltage supply for output signal level |
| 2 | GND | Reference ground for output side |
( J2 ) Input Channel 1
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | IN1+ | External signal input for Channel 1 |
| 2 | IN1- | Return ground for Channel 1 input |
( J3 ) Input Channel 2
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | IN2+ | External signal input for Channel 2 |
| 2 | IN2- | Return ground for Channel 2 input |
(J4) Input Channel 3
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | IN3+ | Converted signal output for Channel 3 |
| 2 | IN3- | Output reference ground for Channel 3 |
( J5 ) Input Channel 4
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | IN4+ | Converted signal output for Channel 4 |
| 2 | IN4- | Output reference ground for Channel 4 |
( J6 ) Output Channel 1
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | OUT1 | Converted signal output for Channel 1 |
| 2 | GND | Output reference ground for Channel 1 |
( J7 ) Output Channel 2
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | OUT2 | Converted signal output for Channel 2 |
| 2 | GND | Output reference ground for Channel 2 |
( J8 ) Output Channel 3
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | OUT3 | Converted signal output for Channel 3 |
| 2 | GND | Output reference ground for Channel 3 |
( J9 ) Output Channel 4
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | OUT4 | Converted signal output for Channel 4 |
| 2 | GND | Output reference ground for Channel 4 |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.