Overview
The SN65C3221PW is a single-channel RS-232 line driver and receiver manufactured by Texas Instruments. This electronic component is designed to provide reliable communication interfaces in various applications, offering robust ESD protection and efficient power management. It is particularly suited for industrial and portable devices, where reliable data transmission and low power consumption are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3V to 5.5V | V | |
| Data Rate | Up to 1Mbit/s | bps | |
| ESD Protection | ±15kV (HBM), ±8kV (IEC 61000-4-2) | Contact and air discharge | |
| Standby Current | 1μA (Typical) | A | |
| External Capacitors | 4 × 0.1μF | F | |
| Operating Temperature | -40°C to 85°C | °C |
Key Features
- Robust ESD protection for RS-232 pins.
- Low standby current for power efficiency.
- Supports data rates up to 1Mbit/s.
- Compatible with 3V to 5.5V power supplies.
- Automatic power-down feature to conserve energy.
Applications
The SN65C3221PW is widely used in industrial PCs, wired networks, and portable devices such as laptops, PDAs, and handheld systems. Its robust design and low power consumption make it ideal for applications requiring reliable communication interfaces in challenging environments.
Q & A
1. What is the operating voltage range of the SN65C3221PW?
The operating voltage range is 3V to 5.5V.
2. What is the maximum data rate supported by this component?
It supports data rates up to 1Mbit/s.
3. Does the SN65C3221PW provide ESD protection?
Yes, it offers ±15kV ESD protection for RS-232 pins.
4. What is the typical standby current?
The typical standby current is 1μA.
5. How many external capacitors are required?
Four 0.1μF external capacitors are needed.
6. Is this component suitable for portable devices?
Yes, its low power consumption and robust design make it ideal for portable devices.
7. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
8. Does it support automatic power-down?
Yes, it includes an automatic power-down feature to save energy.
9. Can it be used in industrial applications?
Yes, it is suitable for industrial PCs and wired networks.
10. Is the SN65C3221PW compatible with 5V logic inputs?
Yes, it accepts 5V logic inputs and operates with a 3.3V power supply.
