Overview
The TRS3232EIRGTR, produced by Texas Instruments, is a 3V to 5.5V multichannel RS-232 line driver and receiver. This device is designed to provide the electrical interface between an asynchronous communication controller and the serial-port connector, adhering to the TIA/EIA-232-F and ITU V.28 standards. It features a dual charge-pump circuit that enables operation from a single 3-V to 5.5-V supply, along with robust ESD protection.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | -0.3 | 3.3 / 5 | 6 | V |
| Input Voltage (Drivers) | -0.3 | 6 | V | |
| Input Voltage (Receivers) | -25 | 25 | V | |
| Output Voltage (Drivers) | -13.2 | 13.2 | V | |
| Operating Temperature | -40 | 85 | °C | |
| Data Signaling Rate | 250 | kbps | ||
| Driver Output Slew Rate | 30 | V/μs | ||
| Supply Current | 0.3 | 1 | mA |
Key Features
- ESD protection for RS-232 bus pins: ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), ±15 kV (IEC61000-4-2, Air-gap discharge)
- Operates with 3-V to 5.5-V VCC supply, interoperable with RS-232 down to 2.7-V VCC
- Two drivers and two receivers
- Low supply current: 300 μA (typical)
- Accepts 5-V logic input with 3.3-V supply
- Available in near chip-scale package (QFN-16, 3 mm x 3 mm), 85% smaller than SOIC-16
- Pin compatible to alternative high-speed devices (1 Mbps) – SN65C3232E, SN75C3232E
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise computing
- Battery-powered systems
- Notebooks
- Palmtop PCs
- Hand-held equipment
Q & A
- What is the operating voltage range of the TRS3232EIRGTR?
The TRS3232EIRGTR operates with a supply voltage (VCC) range of 3-V to 5.5-V. - What are the ESD protection levels for the TRS3232EIRGTR?
The device offers ESD protection for RS-232 bus pins: ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), and ±15 kV (IEC61000-4-2, Air-gap discharge). - How many drivers and receivers does the TRS3232EIRGTR have?
The device includes two line drivers and two line receivers. - What is the maximum data signaling rate supported by the TRS3232EIRGTR?
The device supports data signaling rates up to 250 kbps. - What is the typical supply current of the TRS3232EIRGTR?
The typical supply current is 300 μA. - Can the TRS3232EIRGTR accept 5-V logic input with a 3.3-V supply?
- What are the available package options for the TRS3232EIRGTR?
The device is available in SOIC, SSOP, SOIC-Wide, TSSOP, and QFN packages.- Is the TRS3232EIRGTR pin compatible with other high-speed devices?
- What are some common applications of the TRS3232EIRGTR?
- How does the TRS3232EIRGTR handle ESD protection during unpowered states?
- What are the available package options for the TRS3232EIRGTR?
