Specifications
SKU: 941263
High-Performance RS-232 Line Drivers/Receivers
Parameter | Symbol | Min | Typ | Max | Unit | Notes |
---|---|---|---|---|---|---|
Supply Voltage | Vcc | 4.5 | 5 | 5.5 | V | |
Operating Temperature | Topr | -40 | 85 | °C | ||
Storage Temperature | Tstg | -65 | 150 | °C | ||
Input Capacitance | Cin | 20 | pF | |||
Output Capacitance | Cout | 20 | pF | |||
Driver Output Current | Iout | 15 | 20 | mA | ||
Receiver Input Current | Iin | 1 | 3 | mA | ||
Data Rate | fdata | 20 | 120 | kbps | ||
ESD Rating | HBM | 2000 | V | Human Body Model | ||
ESD Rating | MM | 250 | V | Machine Model |
Instructions for Use:
Power Supply:
- Ensure the supply voltage (Vcc) is within the range of 4.5V to 5.5V.
- Connect a bypass capacitor (0.1 μF) close to the Vcc and GND pins to filter out noise.
Temperature Considerations:
- The operating temperature range is -40°C to 85°C.
- Store the device in an environment with temperatures between -65°C and 150°C.
Capacitance:
- The input and output capacitances are both typically 20 pF. Ensure any external capacitors used are compatible with these values.
Current Ratings:
- The driver output current (Iout) should be between 15 mA and 20 mA.
- The receiver input current (Iin) should be between 1 mA and 3 mA.
Data Rate:
- The data rate supported by the SP232ECN is from 20 kbps to 120 kbps. Ensure your application operates within this range.
ESD Protection:
- The device has an ESD rating of 2000 V (HBM) and 250 V (MM). Handle the device with care to avoid damage from static electricity.
Signal Integrity:
- Use proper termination techniques to minimize signal reflections and ensure reliable communication.
PCB Layout:
- Place the SP232ECN as close as possible to the RS-232 connector to reduce trace lengths and improve signal integrity.
- Use ground planes to reduce noise and improve thermal performance.
Testing:
- Before finalizing the design, test the circuit under various conditions to ensure it meets the required specifications and performance criteria.
Compliance:
- Ensure that the design complies with relevant standards and regulations for RS-232 communication.
Inquiry - SP232ECN