Overview
The MAX3232IPWRG4 is an RS-232 transceiver device manufactured by Texas Instruments. It is designed to facilitate serial communication over RS-232 interfaces with low power consumption. The device includes two line drivers, two line receivers, and a dual charge-pump circuit, providing a robust electrical interface between an asynchronous communication controller and the serial-port connector. It meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards, ensuring reliable communication in various environments.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TSSOP (PW), 16 pins |
| Operating Temperature Range | -40°C to 85°C |
| 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) |
| Supply Current | Typical 300 μA |
| External Capacitors | 4 × 0.1 μF (for 3.3 V or 5 V supply) |
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 supply voltages from 3 V to 5.5 V
- Two drivers and two receivers for full duplex communication capability
- Receiver hysteresis of 300 mV for improved noise rejection
- Low supply current: typical 300 μA
- Accepts 5-V logic input with 3.3-V supply
- Suitable for battery-powered applications
Applications
- Battery-powered systems
- PDAs, notebooks, laptops, and palmtop PCs
- Hand-held equipment
- Industrial environments requiring reliable serial communication
Q & A
- What is the MAX3232IPWRG4 used for? The MAX3232IPWRG4 is used for serial communication over RS-232 interfaces, providing an electrical interface between an asynchronous communication controller and the serial-port connector.
- What are the operating temperature ranges for the MAX3232IPWRG4? The device operates in a temperature range of -40°C to 85°C.
- What is the maximum data signaling rate of the MAX3232IPWRG4? The maximum data signaling rate is up to 250 kbit/s.
- How many drivers and receivers does the MAX3232IPWRG4 have? The device has two line drivers and two line receivers.
- What is the ESD protection level of the MAX3232IPWRG4? The device has ±15 kV ESD protection using the human-body model (HBM).
- What is the typical supply current of the MAX3232IPWRG4? The typical supply current is 300 μA.
- Can the MAX3232IPWRG4 operate with a 3.3-V supply? Yes, the device can operate with supply voltages from 3 V to 5.5 V.
- What type of capacitors are required for the MAX3232IPWRG4? Four external capacitors (0.1 μF each for 3.3 V or 5 V supply) are required.
- Is the MAX3232IPWRG4 suitable for battery-powered applications? Yes, it is suitable for battery-powered applications due to its low power consumption.
- Does the MAX3232IPWRG4 meet industry standards for RS-232 communication? Yes, it meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
