Overview
The SN65C3232EDR is a dual-channel RS-232 line driver/receiver produced by Texas Instruments. This integrated circuit (IC) is designed to provide the electrical interface between an asynchronous communication controller and the serial-port connector. It operates with a supply voltage range of 3-V to 5.5-V and supports data signaling rates up to 1 Mbit/s. The device features a dual charge-pump circuit and includes ±15-kV ESD protection for RS-232 pins, making it robust against electrical discharges. The SN65C3232EDR is packaged in a 16-pin SOIC (D) package and is suitable for various serial communication applications.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | SN65C3232EDR |
| Package | SOIC-16 |
| Supply Voltage | 3-V to 5.5-V |
| Data Signaling Rate | Up to 1 Mbit/s |
| Driver Output Slew Rate | 14 V/µs to 150 V/µs |
| ESD Protection | ±15-kV Human-body model (HBM), ±15-kV IEC 61000-4-2 Air-gap discharge, ±8-kV IEC 61000-4-2 Contact discharge |
| Operating Temperature Range | -40°C to 85°C |
| Supply Current | 300 µA typical |
| External Capacitors | 4 × 0.1 µF |
Key Features
- Operates with 3-V to 5.5-V supply voltage
- Supports data signaling rates up to 1 Mbit/s
- Low supply current: 300 µA typical
- External capacitors: 4 × 0.1 µF
- Accepts 5-V logic input with 3.3-V supply
- Latch-up performance exceeds 100 mA per JESD 78, class II
- ±15-kV ESD protection for RS-232 pins
Applications
The SN65C3232EDR is suitable for various serial communication applications, including but not limited to:
- Asynchronous communication controllers
- Serial-port connectors
- Industrial automation systems
- Embedded systems requiring RS-232 interfaces
- Point-of-sale terminals and other serial communication devices
Q & A
- What is the supply voltage range of the SN65C3232EDR?
The SN65C3232EDR operates with a supply voltage range of 3-V to 5.5-V. - What is the maximum data signaling rate supported by the SN65C3232EDR?
The SN65C3232EDR supports data signaling rates up to 1 Mbit/s. - What type of ESD protection does the SN65C3232EDR offer?
The SN65C3232EDR offers ±15-kV ESD protection for RS-232 pins, including Human-body model (HBM) and IEC 61000-4-2 air-gap and contact discharge protection. - What is the typical supply current of the SN65C3232EDR?
The typical supply current of the SN65C3232EDR is 300 µA. - What external capacitors are required for the SN65C3232EDR?
The SN65C3232EDR requires 4 × 0.1 µF external capacitors. - Can the SN65C3232EDR accept 5-V logic input with a 3.3-V supply?
Yes, the SN65C3232EDR can accept 5-V logic input with a 3.3-V supply. - What is the operating temperature range of the SN65C3232EDR?
The operating temperature range of the SN65C3232EDR is -40°C to 85°C. - What package type is the SN65C3232EDR available in?
The SN65C3232EDR is available in a 16-pin SOIC (D) package. - What are some common applications of the SN65C3232EDR?
The SN65C3232EDR is commonly used in asynchronous communication controllers, serial-port connectors, industrial automation systems, and other serial communication devices. - Where can I find the datasheet for the SN65C3232EDR?
The datasheet for the SN65C3232EDR can be found on the Texas Instruments website or through distributors like Mouser and LCSC.
