Overview
The MAX3232EIPWE4, produced by Texas Instruments, is a 3-V to 5.5-V multichannel RS-232 line driver and receiver. This device is designed to provide an electrical interface between an asynchronous communication controller and a serial-port connector, adhering to the TIA/EIA-232-F and ITU V.28 standards. It features a dual charge-pump circuit that enables operation from a single 3-V to 5.5-V supply, using four small external capacitors. The MAX3232EIPWE4 is known for its robust ESD protection and low power consumption, making it suitable for a variety of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage (VCC) | 3 V to 5.5 V | V |
| Data Signaling Rate | Up to 250 kbit/s | kbit/s |
| Number of Drivers | 2 | - |
| Number of Receivers | 2 | - |
| Supply Current (Typical) | 300 μA | μA |
| ESD Protection (HBM) | ±15 kV | kV |
| ESD Protection (IEC61000-4-2, Contact Discharge) | ±8 kV | kV |
| ESD Protection (IEC61000-4-2, Air-gap Discharge) | ±15 kV | kV |
| Driver Output Slew Rate | Up to 30 V/μs | V/μs |
| Operating Temperature Range | -40°C to +85°C (MAX3232EI), 0°C to +70°C (MAX3232EC) | °C |
| Package Options | SOIC (D), SSOP (DB), SOIC (DW), TSSOP (PW) | - |
Key Features
- ESD protection for RS-232 bus pins: ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), and ±15 kV (IEC61000-4-2, Air-gap discharge)
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
- Operates with a 3-V to 5.5-V VCC supply
- Supports data signaling rates up to 250 kbit/s
- Includes two line drivers and two line receivers
- Low supply current: 300 μA (typical)
- Requires four small external capacitors (0.1 μF each)
- Accepts 5-V logic input with a 3.3-V supply
- Pin compatible with alternative high-speed devices (e.g., SN65C3232E, SN75C3232E)
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise computing
- Battery-powered systems
- Notebooks
- Palmtop PCs
- Hand-held equipment
Q & A
- What is the operating voltage range of the MAX3232EIPWE4?
The MAX3232EIPWE4 operates with a 3-V to 5.5-V VCC supply.
- What are the ESD protection levels for the MAX3232EIPWE4?
The device offers ESD protection of ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), and ±15 kV (IEC61000-4-2, Air-gap discharge).
- How many drivers and receivers does the MAX3232EIPWE4 have?
The MAX3232EIPWE4 includes two line drivers and two line receivers.
- What is the maximum data signaling rate supported by the MAX3232EIPWE4?
The device supports data signaling rates up to 250 kbit/s.
- What is the typical supply current of the MAX3232EIPWE4?
The typical supply current is 300 μA.
- What kind of capacitors are required for the MAX3232EIPWE4?
The device requires four small external capacitors, each 0.1 μF.
- Is the MAX3232EIPWE4 compatible with 5-V logic input when using a 3.3-V supply?
Yes, it accepts 5-V logic input with a 3.3-V supply.
- What are some common applications for the MAX3232EIPWE4?
Common applications include industrial PCs, wired networking, data center and enterprise computing, battery-powered systems, notebooks, palmtop PCs, and hand-held equipment.
- What are the package options available for the MAX3232EIPWE4?
The device is available in SOIC (D), SSOP (DB), SOIC (DW), and TSSOP (PW) packages.
- What is the operating temperature range for the MAX3232EIPWE4?
The operating temperature range is -40°C to +85°C for the MAX3232EI and 0°C to +70°C for the MAX3232EC.
