Overview
The SN65C3222EPWR is a 3-V to 5.5-V dual-channel RS-232 line driver/receiver produced by Texas Instruments. This device is designed to provide a reliable and efficient interface between an asynchronous communication controller and a serial-port connector. It features two line drivers and two line receivers, along with a dual charge-pump circuit that enables operation from a single supply voltage. The SN65C3222EPWR is notable for its robust ESD protection, meeting or exceeding the requirements of TIA/EIA-232-F and ITU v.28 standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3 to 5.5 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Data Signaling Rate | Up to 1000 kbit/s | |
| ESD Protection | ±15-kV Human-body model (HBM), ±8-kV IEC 61000-4-2 Contact discharge, ±15-kV IEC 61000-4-2 Air-gap discharge | |
| Package Type | TSSOP (PW) with 20 pins | |
| Standby Current | 1 µA (Typical) | |
| External Capacitors | 4 × 0.1 µF |
Key Features
- ESD Protection for RS-232 bus pins: ±15-kV Human-body model (HBM), ±8-kV IEC 61000-4-2 Contact discharge, ±15-kV IEC 61000-4-2 Air-gap discharge
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards
- Operates with 3-V to 5.5-V VCC supply
- Operates up to 1000 kbit/s data signaling rate
- Two drivers and two receivers
- Low standby current: 1 µA (Typical)
- External capacitors: 4 × 0.1 µF
- Accepts 5-V Logic Input with 3.3-V supply
- Power-down mode with low current consumption
Applications
- Industrial PCs
- Wired Networking
- Data center and networking equipment
- Notebooks
- Hand-held equipment
Q & A
- What is the operating voltage range of the SN65C3222EPWR?
The SN65C3222EPWR operates with a supply voltage range of 3-V to 5.5-V.
- What level of ESD protection does the SN65C3222EPWR offer?
The device offers ±15-kV Human-body model (HBM), ±8-kV IEC 61000-4-2 Contact discharge, and ±15-kV IEC 61000-4-2 Air-gap discharge ESD protection.
- What is the maximum data signaling rate of the SN65C3222EPWR?
The device can operate at data signaling rates up to 1000 kbit/s.
- How many drivers and receivers does the SN65C3222EPWR have?
The device features two line drivers and two line receivers.
- What is the typical standby current of the SN65C3222EPWR?
The typical standby current is 1 µA.
- Can the SN65C3222EPWR be powered down to reduce power consumption?
Yes, the device can be placed in a power-down mode by setting the power-down (PWRDOWN) input low, which reduces the current consumption to 1 µA.
- What type of package does the SN65C3222EPWR come in?
The device is available in a TSSOP (PW) package with 20 pins.
- What are the recommended external capacitors for the SN65C3222EPWR?
The device requires 4 × 0.1 µF external capacitors.
- Does the SN65C3222EPWR support 5-V logic input with a 3.3-V supply?
Yes, the device accepts 5-V logic input with a 3.3-V supply.
- What are some common applications of the SN65C3222EPWR?
The device is commonly used in industrial PCs, wired networking, data center and networking equipment, notebooks, and hand-held equipment.
