Overview
The MAX3232CDRE4, 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 the serial-port connector. It consists of two line drivers, two line receivers, and a dual charge-pump circuit, offering ±15-kV ESD protection terminal to terminal, including serial-port connection terminals and GND. The MAX3232 meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3-V to 5.5-V | V |
| Operating Temperature Range | 0 to 70 | °C |
| Data Signaling Rate | Up to 250 kbit/s | kbit/s |
| Driver Output Slew Rate | Up to 30-V/μs | V/μs |
| Supply Current (Typical) | 300 μA | μA |
| External Capacitors | 4 × 0.1 μF | μF |
| Package Type | SOIC (D) 16 pins | |
| ESD Protection | ±15 kV using Human-Body Model (HBM) | kV |
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
- Battery-powered systems
- PDAs
- Notebooks
- Laptops
- Palmtop PCs
- Hand-held equipment
- Industrial PCs
- Wired networking
- Data center and enterprise networking
Q & A
- What is the operating voltage range of the MAX3232CDRE4?
The MAX3232CDRE4 operates with a supply voltage (VCC) range of 3-V to 5.5-V.
- What is the maximum data signaling rate of the MAX3232CDRE4?
The device operates at data signaling rates up to 250 kbit/s.
- What kind of ESD protection does the MAX3232CDRE4 offer?
The MAX3232CDRE4 offers ±15 kV ESD protection using the Human-Body Model (HBM).
- How many drivers and receivers does the MAX3232CDRE4 have?
The device has two line drivers and two line receivers.
- What is the typical supply current of the MAX3232CDRE4?
The typical supply current is 300 μA.
- What external capacitors are required for the MAX3232CDRE4?
The device requires 4 × 0.1 μF external capacitors.
- Can the MAX3232CDRE4 accept 5-V logic input with a 3.3-V supply?
Yes, it can accept 5-V logic input with a 3.3-V supply.
- What are the alternative high-speed terminal-compatible devices for the MAX3232CDRE4?
The alternative devices are SN65C3232 (–40°C to 85°C) and SN75C3232 (0°C to 70°C).
- What are some common applications of the MAX3232CDRE4?
Common applications include battery-powered systems, PDAs, notebooks, laptops, palmtop PCs, hand-held equipment, industrial PCs, wired networking, and data center and enterprise networking.
- What is the package type of the MAX3232CDRE4?
The package type is SOIC (D) with 16 pins.
