Overview
The MAX3232EIDBG4, 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 standard. It features two line drivers, two line receivers, and a dual charge-pump circuit, enabling operation from a single supply voltage. The MAX3232EIDBG4 is particularly notable for its robust ESD protection and compatibility with a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 3 V to 5.5 V |
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Data Signaling Rate | Up to 250 kbit/s |
| Driver Output Slew Rate | Maximum of 30-V/μs |
| ESD Protection | ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact Discharge), ±15 kV (IEC61000-4-2, Air-gap Discharge) |
| Package Type | SSOP-16 |
| RoHS Compliance | Yes |
Key Features
- ESD protection for RS-232 bus pins: ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), and ±15 kV (IEC61000-4-2, Air-gap discharge)
- Dual charge-pump circuit allowing operation from a single 3-V to 5.5-V supply
- Two line drivers and two line receivers
- Meets TIA/EIA-232-F requirements
- Outputs protected against shorts to ground
- Low power consumption and high data signaling rates up to 250 kbit/s
Applications
- Battery-powered systems
- PDAs and notebooks
- Laptops and other portable devices
- Any system requiring RS-232 communication with low power consumption and robust ESD protection
Q & A
- What is the supply voltage range of the MAX3232EIDBG4?
The supply voltage range is 3 V to 5.5 V. - How many line drivers and receivers does the MAX3232EIDBG4 have?
The device has two line drivers and two line receivers. - What is the maximum data signaling rate of the MAX3232EIDBG4?
The maximum data signaling rate is up to 250 kbit/s. - What level of ESD protection does the MAX3232EIDBG4 offer?
The device offers ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), and ±15 kV (IEC61000-4-2, Air-gap discharge) ESD protection. - What package type is the MAX3232EIDBG4 available in?
The device is available in an SSOP-16 package. - Is the MAX3232EIDBG4 RoHS compliant?
Yes, the device is RoHS compliant. - What are some common applications of the MAX3232EIDBG4?
Common applications include battery-powered systems, PDAs, notebooks, laptops, and other portable devices. - How does the MAX3232EIDBG4 protect against output shorts?
The outputs are protected against shorts to ground. - What is the purpose of the dual charge-pump circuit in the MAX3232EIDBG4?
The dual charge-pump circuit allows operation from a single 3-V to 5.5-V supply. - Does the MAX3232EIDBG4 meet industry standards for RS-232 communication?
Yes, the device meets the requirements of TIA/EIA-232-F.
