Description
BUY PC923L. https://www.utsource.net/itm/p/12610321.html
| Parameter |
Description |
Value/Range |
| Part Number |
Device Identifier |
PC923L |
| Type |
Device Type |
Dual-line, 3.3V RS-485 Transceiver |
| Supply Voltage |
Operating Voltage Range |
3.0V to 3.6V |
| Data Rate |
Maximum Data Rate |
20 Mbps |
| Driver Output |
Differential Output Voltage (Min) |
±1.5V |
| Receiver Input |
Differential Input Voltage Range |
±12V |
| Power Consumption |
Quiescent Current (Typical) |
0.8mA |
| ESD Protection |
Human Body Model (HBM) |
±15kV |
| Operating Temp. |
Operating Temperature Range |
-40°C to +85°C |
| Package |
Package Type |
SOIC-8 |
Instructions for Use:
- Power Supply Connection: Connect the VCC pin to a power supply within the specified range (3.0V to 3.6V) and GND pin to ground.
- Signal Lines: Connect the differential signal lines (A and B) to the corresponding pins on the device. Ensure proper termination resistors are used to match the characteristic impedance of the cable, typically 120Ω.
- Data Transmission: To transmit data, connect the driver input (DI) to your microcontroller or logic circuit. The receiver output (RO) should be connected to the input of your receiving logic circuit.
- Receiver Enable: The receiver is enabled by default. If using the receiver disable feature, connect the RE pin to VCC to disable the receiver.
- Driver Enable: The driver can be enabled or disabled via the DE pin. Connect this pin to VCC to enable transmission or to GND to disable it.
- ESD Handling: Handle with care to avoid damage from electrostatic discharge. Use appropriate grounding and anti-static measures when handling the component.
- Heat Management: Ensure adequate heat dissipation if operating at higher temperatures or under high data rates.
For detailed specifications and further instructions, refer to the official datasheet provided by the manufacturer.
(For reference only)
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