Overview
The MAX232DW is a dual driver/receiver integrated circuit produced by Texas Instruments, designed to facilitate communication between TTL/CMOS logic levels and RS-232 serial interface levels. This device is part of the MAX232 family and is packaged in a SOIC-16 (DW) format. It operates from a single 5V power supply and includes a capacitive voltage generator to produce the necessary voltage levels for RS-232 communication. The MAX232DW is widely used in various applications requiring serial communication, such as in battery-powered systems, notebooks, laptops, and hand-held equipment.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | MAX232DW |
| Package Type | SOIC-16 (DW) |
| Length | 10.3 mm |
| Width | 7.5 mm |
| Height | 2.65 mm |
| Thickness | 2.35 mm |
| Number of Pins | 16 |
| Operating Temperature Range | -40°C to 85°C |
| Operating Supply Voltage | 4.5V to 5.5V |
| Logic Function | Receiver, Transceiver |
| Data Rate | Up to 120 kbps |
| Simplex/Duplex | Full Duplex |
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| ESD Protection | ±15kV Human-Body Model |
| RoHS Compliance | Yes |
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 kbps
- Includes two drivers and two receivers
- Accepts ±30V input levels
- Low supply current: 8 mA typical
- ESD protection exceeds JESD 22, 2000V Human-body model (A114-A)
- Receivers have a typical threshold of 1.3 V and a typical hysteresis of 0.5 V
Applications
The MAX232DW is suitable for a variety of applications, including:
- Battery-powered systems
- Notebooks and laptops
- Palmtop PCs and hand-held equipment
- Terminals and modems
- Computers and other serial communication devices
Q & A
- What is the MAX232DW used for?
The MAX232DW is used to convert TTL/CMOS logic levels to RS-232 serial interface levels and vice versa.
- What is the operating temperature range of the MAX232DW?
The operating temperature range is -40°C to 85°C.
- How many drivers and receivers does the MAX232DW have?
The MAX232DW has two drivers and two receivers.
- What is the maximum data rate supported by the MAX232DW?
The MAX232DW supports data rates up to 120 kbps.
- Does the MAX232DW have ESD protection?
- What type of package does the MAX232DW come in?
The MAX232DW comes in a SOIC-16 (DW) package.
- Is the MAX232DW RoHS compliant?
- What is the typical supply current of the MAX232DW?
- Can the MAX232DW accept high voltage inputs?
- What standards does the MAX232DW meet or exceed?
