Overview
The SN65C3232EDBR is a dual-channel RS-232 line driver/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 operates with a single 3-V to 5.5-V supply and includes a dual charge-pump circuit that enables operation without the need for external voltage regulators. The SN65C3232EDBR features high-speed data transmission capabilities up to 1 Mbit/s and includes robust ESD protection to ensure reliability in various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 16-SSOP (0.209", 5.30mm Width) |
| Pins | 16 |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage | 3 V to 5.5 V |
| Data Rate | Up to 1 Mbit/s |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 300 mV |
| 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 |
| Supply Current | 300 µA typical |
| External Capacitors | 4 × 0.1 µF |
Key Features
- Operates with a 3-V to 5.5-V VCC supply.
- Supports data signaling rates up to 1 Mbit/s.
- Low supply current of 300 µA typical.
- Requires four small external capacitors (0.1 µF each).
- Accepts 5-V logic input with a 3.3-V supply.
- Latch-up performance exceeds 100 mA per JESD 78, class II.
- Robust ESD protection: ±15-kV Human-body model (HBM), ±15-kV IEC 61000-4-2 Air-gap discharge, and ±8-kV IEC 61000-4-2 Contact discharge.
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise computing
- Battery-powered systems
- PDAs
- Notebooks
- Palmtop PCs
- Hand-held equipment
Q & A
- What is the operating voltage range of the SN65C3232EDBR?
The SN65C3232EDBR operates with a supply voltage range of 3 V to 5.5 V.
- What is the maximum data rate supported by the SN65C3232EDBR?
The device supports data signaling rates up to 1 Mbit/s.
- How many drivers and receivers does the SN65C3232EDBR have?
The SN65C3232EDBR has two line drivers and two line receivers.
- What type of ESD protection does the SN65C3232EDBR offer?
The device features ±15-kV Human-body model (HBM), ±15-kV IEC 61000-4-2 Air-gap discharge, and ±8-kV IEC 61000-4-2 Contact discharge ESD protection.
- What is the typical supply current of the SN65C3232EDBR?
The typical supply current is 300 µA.
- Does the SN65C3232EDBR require external voltage regulators?
No, it does not require external voltage regulators due to its integrated dual charge-pump circuit.
- What type of package does the SN65C3232EDBR come in?
The device is packaged in a 16-pin SSOP (DB) package.
- What is the operating temperature range of the SN65C3232EDBR?
The operating temperature range is -40°C to 85°C.
- Can the SN65C3232EDBR accept 5-V logic input with a 3.3-V supply?
- What are some common applications of the SN65C3232EDBR?
