Overview
The Texas Instruments SN65C3232EPW is a dual-channel RS-232 line transceiver integrated circuit designed to provide a reliable and efficient interface between an asynchronous communication controller and a serial-port connector. This device meets or exceeds the requirements of the TIA/EIA-232-F and ITU v.28 standards, ensuring compatibility with a wide range of serial communication applications. The SN65C3232EPW operates with a single 3-V to 5.5-V supply voltage, making it versatile for various power environments.
Key Specifications
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| IC Type | Dual Line Transceiver IC |
| Input Type | Single Ended |
| Number of Transmitters | 2 |
| Number of Receivers | 2 |
| Mounting Type | Surface Mount |
| Package Type | TSSOP-16 |
| Pin Count | 16 |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +85 °C |
| Dimensions | 5 x 4.4 x 1.15 mm |
| Supply Voltage Range | 3 V to 5.5 V |
| Data Rate | Up to 1 Mbps |
| ESD Protection | ±15 kV (Human-Body Model), ±8 kV (Contact Discharge) |
Key Features
- Operates with a single 3-V to 5.5-V supply voltage, allowing for flexibility in power supply design
- Supports data signaling rates up to 1 Mbps
- Includes a dual charge-pump circuit, which eliminates the need for external voltage regulators
- Provides ±15-kV ESD protection for RS-232 pins, ensuring robustness against electrostatic discharge
- Accepts 5-V logic input with a 3.3-V supply, enhancing compatibility with various logic levels
- Low supply current of 300 μA typical, making it suitable for battery-powered systems
Applications
- Industrial PCs and wired networking
- Data center and enterprise computing
- Battery-powered systems, such as notebooks, laptops, and palmtop PCs
- Hand-held equipment and PDAs
Q & A
- What is the operating temperature range of the SN65C3232EPW? The operating temperature range is -40 °C to +85 °C.
- What is the maximum data rate supported by the SN65C3232EPW? The device supports data rates up to 1 Mbps.
- What type of ESD protection does the SN65C3232EPW offer? It offers ±15-kV ESD protection using the Human-Body Model and ±8-kV Contact Discharge protection.
- What is the supply voltage range for the SN65C3232EPW? The device operates with a single 3-V to 5.5-V supply voltage.
- How many transmitters and receivers does the SN65C3232EPW have? It has two line drivers and two line receivers.
- What package type is the SN65C3232EPW available in? It is available in a 16-pin TSSOP package.
- Can the SN65C3232EPW 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 is the typical supply current of the SN65C3232EPW? The typical supply current is 300 μA.
- Does the SN65C3232EPW require external capacitors for operation? Yes, it requires four external 0.1 μF capacitors for the charge pump circuit.
- What are some common applications of the SN65C3232EPW? Common applications include industrial PCs, wired networking, data centers, and battery-powered systems.
