Overview
The MAX3232IDRG4, 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 the serial-port connector, adhering to the TIA/EIA-232-F standards. It features two line drivers, two line receivers, and a dual charge-pump circuit, enabling operation from a single supply voltage. The MAX3232IDRG4 is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) and is known for its robust ESD protection and efficient power management.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 5.5 | V |
| Operating Free-Air Temperature | -40 | - | 85 | °C |
| Data Signaling Rate | - | - | 250 | kbit/s |
| Driver Output Slew Rate | - | - | 30 | V/μs |
| ESD Protection | ±15 | - | - | kV (HBM) |
| Number of Transmitters | - | - | 2 | - |
| Number of Receivers | - | - | 2 | - |
| External Capacitors Required | - | - | 4 | - |
Key Features
- Meets or exceeds the requirements of TIA/EIA-232-F standards.
- Operates from a single 3-V to 5.5-V supply voltage.
- Includes a dual charge-pump circuit that requires four small external capacitors.
- Provides ±15-kV ESD protection terminal to terminal, including GND.
- Supports data signaling rates up to 250 kbit/s.
- Maximum driver output slew rate of 30-V/μs.
- Outputs are protected against shorts to ground.
- Two line drivers and two line receivers interface standard logic levels to RS-232 levels and vice versa.
Applications
- Battery-powered systems.
- PDAs (Personal Digital Assistants).
- Notebooks and laptops.
- Palmtop PCs and hand-held equipment.
Q & A
- What is the MAX3232IDRG4 used for?
The MAX3232IDRG4 is used to provide an electrical interface between an asynchronous communication controller and the serial-port connector, adhering to RS-232 standards.
- What is the operating voltage range of the MAX3232IDRG4?
The MAX3232IDRG4 operates from a single supply voltage of 3-V to 5.5-V.
- How many line drivers and receivers does the MAX3232IDRG4 have?
The MAX3232IDRG4 has two line drivers and two line receivers.
- What is the maximum data signaling rate supported by the MAX3232IDRG4?
The MAX3232IDRG4 supports data signaling rates up to 250 kbit/s.
- What level of ESD protection does the MAX3232IDRG4 offer?
The MAX3232IDRG4 offers ±15-kV ESD protection terminal to terminal, including GND.
- How many external capacitors are required for the MAX3232IDRG4?
The MAX3232IDRG4 requires four small external capacitors.
- What is the typical operating temperature range for the MAX3232IDRG4?
The typical operating temperature range for the MAX3232IDRG4 is from -40°C to 85°C.
- What kind of protection does the MAX3232IDRG4 offer against output shorts?
The outputs of the MAX3232IDRG4 are protected against shorts to ground.
- What are some common applications of the MAX3232IDRG4?
Common applications include battery-powered systems, PDAs, notebooks, laptops, palmtop PCs, and hand-held equipment.
- What is the package type of the MAX3232IDRG4?
The MAX3232IDRG4 is packaged in a 16-pin SOIC (Small Outline Integrated Circuit).
