Overview
The MAX232IDWRG4, produced by Texas Instruments, is a high-performance, dual-channel RS-232 transceiver. This device is designed to convert TTL/CMOS logic levels to RS-232 voltage levels and vice versa, making it an essential component for serial communication interfaces. It operates from a single 5V power supply and includes a capacitive voltage generator to produce the necessary RS-232 voltage levels.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage | 5V | V |
| Operating Temperature Range | -40 to 85 | °C |
| Data Rate | Up to 120 kbit/s | kbit/s |
| Input Levels | ±30V | V |
| Supply Current | 8 mA (typical) | mA |
| ESD Protection | Exceeds JESD 22 - 2000V Human-body model (A114-A) | V |
| Package Type | SOIC (DW) 16 pins | |
| Charge-Pump Capacitors | 1µF | F |
Key Features
- Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28
- Operates from a single 5V power supply with 1µF charge-pump capacitors
- Operates up to 120 kbit/s
- Two drivers and two receivers
- ±30V Input levels
- Low supply current: 8mA typical
- ESD protection exceeds JESD 22 - 2000V Human-body model (A114-A)
- Upgrade with improved ESD (15kV HBM) and 0.1µF charge-pump capacitors available with the MAX202 device
Applications
- TIA/EIA-232-F interfaces
- Battery-powered systems
- Terminals
- Modems
- Computers
Q & A
- What is the operating voltage of the MAX232IDWRG4?
The MAX232IDWRG4 operates from a single 5V power supply. - What is the maximum data rate supported by the MAX232IDWRG4?
The MAX232IDWRG4 supports data rates up to 120 kbit/s. - How many drivers and receivers does the MAX232IDWRG4 have?
The MAX232IDWRG4 has two drivers and two receivers. - What is the input voltage range of the MAX232IDWRG4?
The input voltage range is ±30V. - What is the typical supply current of the MAX232IDWRG4?
The typical supply current is 8 mA. - Does the MAX232IDWRG4 have ESD protection?
Yes, it exceeds JESD 22 - 2000V Human-body model (A114-A). - What type of package does the MAX232IDWRG4 come in?
The MAX232IDWRG4 comes in a SOIC (DW) package with 16 pins. - What are the charge-pump capacitors required for the MAX232IDWRG4?
The charge-pump capacitors required are 1µF. - What are some common applications of the MAX232IDWRG4?
Common applications include TIA/EIA-232-F interfaces, battery-powered systems, terminals, modems, and computers. - Is there an upgrade available with improved ESD protection?
Yes, an upgrade with improved ESD (15kV HBM) and 0.1µF charge-pump capacitors is available with the MAX202 device.
