Overview
The MAX3232IPW, 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 an electrical interface between an asynchronous communication controller and a serial-port connector, adhering to the TIA/EIA-232-F and ITU V.28 standards. It features a dual charge-pump circuit that allows operation from a single supply voltage, and it includes ±15-kV ESD protection for serial-port connection terminals, including GND. The MAX3232IPW is suitable for various applications requiring reliable and efficient serial communication.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage | 3 V to 5.5 V |
| Data Signaling Rate | Up to 250 kbit/s |
| Driver Output Slew Rate | Maximum of 30-V/μs |
| ESD Protection | ±15 kV using Human-Body Model (HBM) |
| Package Types | SOIC (D), SSOP (DB), SOIC (DW), TSSOP (PW) |
| Package Size | Varies by package type (e.g., TSSOP: 5.00 mm × 4.40 mm) |
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Duplex Mode | Full Duplex |
| Operating Temperature | -40°C to +85°C |
| External Capacitors | 4 × 0.1 μF |
Key Features
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
- Operates from a single 3-V to 5.5-V supply using a dual charge-pump circuit
- ±15-kV ESD protection for serial-port connection terminals, including GND
- Two line drivers and two line receivers
- Accepts 5-V logic input with 3.3-V supply
- Outputs protected against shorts to ground
- Full duplex operation
Applications
- Battery-powered systems
- PDAs
- Notebooks and laptops
- Palmtop PCs
- Hand-held equipment
Q & A
- What is the supply voltage range for the MAX3232IPW?
The MAX3232IPW operates from a single supply voltage of 3 V to 5.5 V. - What is the maximum data signaling rate of the MAX3232IPW?
The device operates at data signaling rates up to 250 kbit/s. - What level of ESD protection does the MAX3232IPW offer?
The device provides ±15 kV ESD protection using the Human-Body Model (HBM). - How many line drivers and receivers does the MAX3232IPW have?
The device includes two line drivers and two line receivers. - What is the operating temperature range of the MAX3232IPW?
The device operates in a temperature range of -40°C to +85°C. - What type of packages is the MAX3232IPW available in?
The device is available in SOIC (D), SSOP (DB), SOIC (DW), and TSSOP (PW) packages. - Does the MAX3232IPW support full duplex operation?
Yes, the device supports full duplex operation. - What external components are required for the MAX3232IPW to operate?
The device requires four external 0.1 μF capacitors for the charge pump. - Is the MAX3232IPW RoHS compliant?
Yes, the MAX3232IPW is RoHS compliant. - What are some typical applications of the MAX3232IPW?
The device is commonly used in battery-powered systems, PDAs, notebooks, laptops, palmtop PCs, and hand-held equipment.
