Overview
The MAX3232IDG4, produced by Texas Instruments, is a dual transmitter/receiver RS-232 transceiver designed to provide an electrical interface between an asynchronous communication controller and a serial-port connector. This device meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards, ensuring compliance with industry standards for serial communication. It operates with a single 3-V to 5.5-V supply voltage and includes a dual charge-pump circuit that eliminates the need for external voltage sources, making it highly versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package/Case | 16-SOIC (0.154", 3.90mm Width) |
| Protocol | RS-232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full Duplex |
| Receiver Hysteresis | 300mV |
| Data Rate | 250kbps |
| Supply Voltage | 3 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| ESD Protection | ±15 kV (Human-Body Model) |
| Supply Current | 1 mA (Typical) |
| Propagation Delay Time | 300 ns |
Key Features
- Operates with a single 3-V to 5.5-V supply voltage, eliminating the need for external voltage sources.
- Includes a dual charge-pump circuit for voltage regulation and inversion.
- Provides ±15-kV ESD protection on all RS-232 bus terminals, including GND.
- Supports data signaling rates up to 250 kbit/s and a maximum driver output slew rate of 30-V/μs.
- Accepts 5-V logic input with a 3.3-V supply, enhancing compatibility with various logic levels.
- Low supply current of 300 μA (typical), making it suitable for battery-powered systems.
Applications
- Industrial PCs and wired networking equipment.
- Data center and enterprise networking systems.
- Battery-powered systems, such as PDAs, notebooks, laptops, and palmtop PCs.
- Hand-held equipment and other portable devices requiring serial communication.
Q & A
- What is the MAX3232IDG4 used for?
The MAX3232IDG4 is used to provide an electrical interface between an asynchronous communication controller and a serial-port connector, adhering to RS-232 standards. - What is the operating voltage range of the MAX3232IDG4?
The MAX3232IDG4 operates with a single 3-V to 5.5-V supply voltage. - How many drivers and receivers does the MAX3232IDG4 have?
The MAX3232IDG4 has two drivers and two receivers. - What is the data rate supported by the MAX3232IDG4?
The MAX3232IDG4 supports data signaling rates up to 250 kbit/s. - Does the MAX3232IDG4 have ESD protection?
Yes, the MAX3232IDG4 provides ±15-kV ESD protection on all RS-232 bus terminals, including GND. - What is the typical supply current of the MAX3232IDG4?
The typical supply current is 300 μA. - What are the operating temperature ranges for the MAX3232IDG4?
The operating temperature range is -40°C to 85°C. - What type of mounting does the MAX3232IDG4 use?
The MAX3232IDG4 uses surface mount technology (SMT). - Can the MAX3232IDG4 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 some common applications of the MAX3232IDG4?
Common applications include industrial PCs, wired networking, data centers, battery-powered systems, and hand-held equipment).
