Overview
The MAX232DWR, produced by Texas Instruments, is a dual driver/receiver integrated circuit designed to facilitate communication between TTL/CMOS logic levels and RS232 serial interface levels. This device is part of the MAX232 family and is specifically packaged in a 16-pin SOP (Small Outline Package) configuration. It includes a capacitive voltage generator that enables the conversion of a single 5V power supply into the necessary voltage levels for RS232 communication.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | SOP (16 pins) |
| Operating Temperature Range | 0°C to 70°C |
| Power Supply | Single 5V with 1µF charge-pump capacitors |
| Data Rate | Up to 120 kbit/s |
| Drivers and Receivers | Two drivers and two receivers |
| Input Levels | ±30V |
| Supply Current | 8mA typical |
| ESD Protection | Exceeds JESD 22 – 2000V Human-body model (A114-A) |
Key Features
- Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28 standards.
- Operates from a single 5V power supply with 1µF charge-pump capacitors.
- Supports data rates up to 120 kbit/s.
- Includes two drivers and two receivers.
- Accepts ±30V input levels.
- Low supply current of 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 compliant systems.
- Battery-powered systems.
- Terminals and terminals equipment.
- Modems.
- Computers and computer peripherals.
Q & A
- What is the MAX232DWR used for?
The MAX232DWR is used to convert TTL/CMOS logic levels to RS232 serial interface levels and vice versa.
- What is the power supply requirement for the MAX232DWR?
The MAX232DWR operates from a single 5V power supply with 1µF charge-pump capacitors.
- What is the maximum data rate supported by the MAX232DWR?
The MAX232DWR supports data rates up to 120 kbit/s.
- How many drivers and receivers does the MAX232DWR have?
The MAX232DWR includes two drivers and two receivers.
- What is the input voltage range for the MAX232DWR?
The MAX232DWR can accept input levels of ±30V.
- What is the typical supply current of the MAX232DWR?
The typical supply current of the MAX232DWR is 8mA.
- Does the MAX232DWR have ESD protection?
Yes, the MAX232DWR has ESD protection that exceeds JESD 22 – 2000V Human-body model (A114-A).
- What are the package options for the MAX232DWR?
The MAX232DWR is available in a 16-pin SOP (Small Outline Package) configuration.
- What is the operating temperature range for the MAX232DWR?
The operating temperature range for the MAX232DWR is 0°C to 70°C.
- Can the MAX232DWR be used in battery-powered systems?
Yes, the MAX232DWR is suitable for use in battery-powered systems due to its low power consumption.
