Overview
The TRSF3232EIPWR is a 3-V to 5.5-V multichannel RS-232 line driver and receiver produced by Texas Instruments. This device is designed to provide the electrical interface between an asynchronous communication controller and the serial-port connector. It features a dual charge-pump circuit that allows operation from a single 3-V to 5.5-V supply, making it suitable for a wide range of applications, including battery-powered systems and industrial PCs.
The TRSF3232EIPWR meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards, ensuring compatibility with standard RS-232 interfaces. It offers high-speed data transmission capabilities, operating up to 1 Mbit/s, and includes robust ESD protection to safeguard against electrical discharges.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 3.3 / 5 | 5.5 | V |
| Operating Temperature (TA) | -40 | - | 85 | °C |
| Data Signaling Rate | - | - | 1 Mbit/s | - |
| Driver Output Slew Rate | 14 | - | 150 | V/μs |
| Supply Current (ICC) | 0.3 | - | 1 | mA |
| ESD Protection (IEC 61000-4-2) | ±8 (Contact) | - | ±15 (Air-gap) | kV |
| Package Types | - | - | SOIC, SSOP, TSSOP, VQFN | - |
Key Features
- Operates with 3-V to 5.5-V VCC supply, making it versatile for various applications.
- Supports data signaling rates up to 1 Mbit/s, ensuring high-speed communication.
- Low supply current: 300 μA typical, which is beneficial for battery-powered systems.
- Requires four small external capacitors (0.1 μF each) for the charge-pump circuit.
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
- Robust ESD protection: ±15 kV (IEC 61000-4-2 air-gap discharge) and ±8 kV (IEC 61000-4-2 contact discharge).
- Two line drivers and two line receivers, providing a complete RS-232 interface.
- Accepts 5-V logic input with a 3.3-V supply, enhancing compatibility with different logic levels.
Applications
- Industrial PCs and wired networking systems.
- Data center and enterprise computing environments.
- Battery-powered systems, such as notebooks, palmtop PCs, and hand-held equipment.
- PDAs and other portable devices requiring RS-232 communication.
Q & A
- What is the operating voltage range of the TRSF3232EIPWR?
The TRSF3232EIPWR operates with a supply voltage (VCC) range of 3-V to 5.5-V.
- What is the maximum data signaling rate supported by the TRSF3232EIPWR?
The device supports data signaling rates up to 1 Mbit/s.
- How many external capacitors are required for the charge-pump circuit?
Four external capacitors (0.1 μF each) are required for the charge-pump circuit.
- What are the ESD protection levels of the TRSF3232EIPWR?
The device offers ±15 kV (IEC 61000-4-2 air-gap discharge) and ±8 kV (IEC 61000-4-2 contact discharge) ESD protection.
- What are the typical applications of the TRSF3232EIPWR?
It is used in industrial PCs, wired networking, data centers, battery-powered systems, and hand-held equipment.
- Does the TRSF3232EIPWR meet standard RS-232 specifications?
Yes, it meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
- How many line drivers and receivers does the TRSF3232EIPWR have?
The device includes two line drivers and two line receivers.
- What is the typical supply current of the TRSF3232EIPWR?
The typical supply current is 300 μA.
- Can the TRSF3232EIPWR accept 5-V logic input with a 3.3-V supply?
Yes, it can accept 5-V logic input with a 3.3-V supply.
- What are the available package types for the TRSF3232EIPWR?
The device is available in SOIC, SSOP, TSSOP, and VQFN packages.
