Overview
The MAX3232CDWRE4, 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 the electrical interface between an asynchronous communication controller and a serial-port connector. It features two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection terminal to terminal, including GND. The MAX3232 meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards, making it a reliable choice for various communication applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3.0 to 5.5 | V |
| Data Signaling Rate | Up to 250 | kbit/s |
| Driver Output Slew Rate | Up to 30 | V/μs |
| ESD Protection | ±15 kV | |
| Supply Current | 300 | μA (Typical) |
| External Capacitors | 4 × 0.1 μF | |
| Operating Temperature Range | 0 to 70 | °C (MAX3232C) |
| Package Types | SOIC (D), SSOP (DB), SOIC (DW), TSSOP (PW) |
Key Features
- RS-232 Bus-terminal ESD protection exceeds ±15 kV using human-body model (HBM)
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
- Operates with 3-V to 5.5-V VCC supply
- Operates up to 250 kbit/s data signaling rate
- Two drivers and two receivers
- Low supply current: 300 μA Typical
- External capacitors: 4 × 0.1 μF
- Accepts 5-V logic input with 3.3-V supply
- Alternative high-speed terminal-compatible devices (1 Mbit/s): SN65C3232 and SN75C3232
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise networking
- Battery-powered systems
- PDAs
- Notebooks
- Laptops
- Palmtop PCs
- Hand-held equipment
Q & A
- What is the operating voltage range of the MAX3232CDWRE4?
The MAX3232CDWRE4 operates with a supply voltage (VCC) ranging from 3.0 V to 5.5 V. - What is the maximum data signaling rate of the MAX3232CDWRE4?
The device operates at data signaling rates up to 250 kbit/s. - How many drivers and receivers does the MAX3232CDWRE4 have?
The MAX3232CDWRE4 has two line drivers and two line receivers. - What is the ESD protection level of the MAX3232CDWRE4?
The device has ±15-kV ESD protection terminal to terminal, including GND. - What are the alternative high-speed devices compatible with the MAX3232CDWRE4?
The alternative high-speed terminal-compatible devices are SN65C3232 (–40°C to 85°C) and SN75C3232 (0°C to 70°C). - What is the typical supply current of the MAX3232CDWRE4?
The typical supply current is 300 μA. - What external capacitors are required for the MAX3232CDWRE4?
The device requires four external capacitors, each 0.1 μF. - What are the operating temperature ranges for the MAX3232CDWRE4?
The operating temperature range is 0 to 70°C for the MAX3232C model. - What standards does the MAX3232CDWRE4 meet or exceed?
The device meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards. - Can the MAX3232CDWRE4 accept 5-V logic input with a 3.3-V supply?
Yes, the device can accept 5-V logic input with a 3.3-V supply.
