Overview
The MAX3243EIPWG4, 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 a single-chip and single-supply interface for IBM PC/AT serial ports, making it highly versatile for various serial communication applications. It meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards, ensuring compatibility and reliability in different environments.
The MAX3243EIPWG4 features three line drivers and five line receivers, which is ideal for DE-9 DTE interfaces. It includes robust ESD protection with ±15-kV Human-body model (HBM) and ±8-kV IEC61000-4-2 protection, enhancing the device's durability against electrical surges.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage Range | -0.3 | - | 6 | V |
| Operating Free-Air Temperature (MAX3243EC) | 0 | - | 70 | °C |
| Operating Free-Air Temperature (MAX3243EI) | -40 | - | 85 | °C |
| Driver and Control High-Level Input Voltage (VCC = 5 V) | 2.4 | - | - | V |
| Driver and Control Low-Level Input Voltage (VCC = 5 V) | - | - | 0.8 | V |
| Receiver Input Voltage | -25 | - | 25 | V |
| Data Signaling Rate | - | - | 250 kbit/s | - |
| Standby Current | - | 1 μA | - | - |
Key Features
- Operates with a 3-V to 5.5-V VCC supply, making it suitable for a wide range of applications.
- Single-chip and single-supply interface for IBM PC/AT serial ports.
- ESD protection for RS-232 bus pins: ±15-kV Human-body model (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.
- Three line drivers and five line receivers, ideal for DE-9 DTE interfaces.
- Always-active noninverting receiver output (ROUT2B) for ring indicator applications.
- Serial-mouse driveability and auto-powerdown feature to disable driver outputs when no valid RS-232 signal is sensed.
- Low active current: 300 μA typical, and low standby current: 1 μA typical.
- Accepts 5-V logic input with a 3.3-V supply.
- Available in plastic small-outline (DW), shrink small-outline (DB), and thin shrink small-outline (PW) packages.
Applications
- Battery-powered systems.
- Wired networking.
- Data center and enterprise computing.
- Notebooks, laptops, and palmtop PCs.
- Hand-held equipment.
- Tablets.
Q & A
- What is the operating voltage range of the MAX3243EIPWG4?
The MAX3243EIPWG4 operates with a 3-V to 5.5-V VCC supply.
- What kind of ESD protection does the MAX3243EIPWG4 offer?
The device offers ±15-kV Human-body model (HBM), ±8-kV IEC61000-4-2 contact discharge, and ±15-kV IEC61000-4-2 air-gap discharge ESD protection.
- What are the key standards that the MAX3243EIPWG4 complies with?
The device meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
- How many line drivers and receivers does the MAX3243EIPWG4 have?
The device has three line drivers and five line receivers.
- What is the maximum data signaling rate of the MAX3243EIPWG4?
The device operates at data signaling rates up to 250 kbit/s.
- What is the standby current of the MAX3243EIPWG4?
The standby current is typically 1 μA.
- Does the MAX3243EIPWG4 support auto-powerdown?
Yes, the device features an auto-powerdown function to disable driver outputs when no valid RS-232 signal is sensed.
- What package options are available for the MAX3243EIPWG4?
The device is available in plastic small-outline (DW), shrink small-outline (DB), and thin shrink small-outline (PW) packages.
- What is the operating temperature range for the MAX3243EIPWG4?
The operating temperature range is 0°C to 70°C for the MAX3243EC and –40°C to 85°C for the MAX3243EI.
- Does the MAX3243EIPWG4 support 5-V logic input with a 3.3-V supply?
Yes, the device accepts 5-V logic input with a 3.3-V supply.
