Overview
The SN75C3232PWR, manufactured by Texas Instruments, is a dual-channel RS-232 line driver/receiver integrated circuit. This device is designed to provide the electrical interface between an asynchronous communication controller and the serial-port connector. It consists of two line drivers, two line receivers, and a dual charge-pump circuit, enabling operation from a single 3-V to 5.5-V supply. The SN75C3232PWR offers robust ESD protection and supports data signaling rates up to 1 Mbit/s, making it suitable for a variety of applications requiring reliable serial communication.
Key Specifications
| Specification | Value |
|---|---|
| Supply Voltage (VCC) | 3 V to 5.5 V |
| Data Signaling Rate | Up to 1 Mbit/s |
| Supply Current | 300 μA typical |
| External Capacitors | 4 × 0.1 μF |
| 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 |
| Driver Output Slew Rate | 14 V/μs to 150 V/μs |
| Package Types | TSSOP (PW) with 16 pins |
| Operating Temperature Range | 0°C to 70°C |
Key Features
- Operate with 3-V to 5.5-V VCC supply
- Support data signaling rates up to 1 Mbit/s
- Low supply current: 300 μA typical
- Accept 5-V logic input with 3.3-V supply
- Robust 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
- Latch-up performance exceeds 100 mA per JESD 78, class II
- Requires four small external capacitors (0.1 μF each)
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise computing
- Battery-powered systems
- Notebooks and laptops
- Palmtop PCs and hand-held equipment
Q & A
- What is the supply voltage range for the SN75C3232PWR? The supply voltage range is 3 V to 5.5 V.
- What is the maximum data signaling rate supported by the SN75C3232PWR? The device supports data signaling rates up to 1 Mbit/s.
- How much supply current does the SN75C3232PWR typically consume? The device typically consumes 300 μA of supply current.
- What type of ESD protection does the SN75C3232PWR offer? The device offers ±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.
- Can the SN75C3232PWR 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 package types available for the SN75C3232PWR? The device is available in TSSOP (PW) package with 16 pins.
- What is the operating temperature range for the SN75C3232PWR? The operating temperature range is 0°C to 70°C.
- How many external capacitors are required for the SN75C3232PWR? Four external capacitors (0.1 μF each) are required.
- What is the driver output slew rate of the SN75C3232PWR? The driver output slew rate is 14 V/μs to 150 V/μs.
- What are some common applications of the SN75C3232PWR? Common applications include industrial PCs, wired networking, data center and enterprise computing, battery-powered systems, notebooks, laptops, palmtop PCs, and hand-held equipment.
