Overview
The SN75C3232EDRG4, produced by Texas Instruments, is a dual-channel RS-232 transceiver designed to provide the electrical interface between an asynchronous communication controller and a serial-port connector. This device consists of two line drivers, two line receivers, and a dual charge-pump circuit. It operates with a single 3-V to 5.5-V supply and supports data signaling rates up to 1 Mbit/s. The SN75C3232EDRG4 is notable for its low supply current, external capacitor requirements, and robust ESD protection.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | 3.3 / 5.0 | 5.5 | V |
| Supply Current (ICC) | 0.3 | 1 | - | mA |
| Data Signaling Rate | - | Up to 1 Mbit/s | - | - |
| Driver Output Slew Rate | 14 | - | 150 | V/μs |
| ESD Protection (HBM) | - | ±15 kV | - | - |
| Operating Temperature (SN75C3232) | 0 | - | 70 | °C |
| Package Type | - | SOIC, SSOP, TSSOP | - | - |
Key Features
- Operates with a single 3-V to 5.5-V supply.
- Supports data signaling rates up to 1 Mbit/s.
- Low supply current: 300 μA typical.
- Requires four external 0.1 μF capacitors.
- Accepts 5-V logic input with a 3.3-V supply.
- Robust ESD protection: ±15 kV HBM, ±15 kV IEC 61000-4-2 air-gap discharge, and ±8 kV IEC 61000-4-2 contact discharge.
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
- Outputs are protected against shorts to ground.
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise computing
- Battery-powered systems
- Notebooks and laptops
- Palmtop PCs and PDAs
- Hand-held equipment
Q & A
- What is the operating voltage range of the SN75C3232EDRG4?
The SN75C3232EDRG4 operates with a single 3-V to 5.5-V supply.
- What is the maximum data signaling rate supported by the SN75C3232EDRG4?
The device supports data signaling rates up to 1 Mbit/s.
- What is the typical supply current of the SN75C3232EDRG4?
The typical supply current is 300 μA.
- What external capacitors are required for the SN75C3232EDRG4?
The device requires four external 0.1 μF capacitors.
- Does the SN75C3232EDRG4 support 5-V logic input with a 3.3-V supply?
- What level of ESD protection does the SN75C3232EDRG4 offer?
The device offers ±15 kV HBM, ±15 kV IEC 61000-4-2 air-gap discharge, and ±8 kV IEC 61000-4-2 contact discharge ESD protection.
- What is the operating temperature range for the SN75C3232EDRG4?
The operating temperature range is 0°C to 70°C.
- What types of packages are available for the SN75C3232EDRG4?
The device is available in SOIC, SSOP, and TSSOP packages.
- Are the outputs of the SN75C3232EDRG4 protected against shorts to ground?
- What are some common applications of the SN75C3232EDRG4?
