Overview
The MAX3232EIDR, 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 enables operation from a single 3-V to 5.5-V supply, making it versatile for various applications. The MAX3232EIDR includes two line drivers and two line receivers, with robust ESD protection and low supply current, making it suitable for a range of industrial and consumer electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 3 V to 5.5 V | V |
| Data Signaling Rate | Up to 250 kbit/s | kbit/s |
| Driver Output Slew Rate | Up to 30 V/μs | V/μs |
| Supply Current | 300 μA (typical) | μA |
| ESD Protection | ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), ±15 kV (IEC61000-4-2, Air-gap discharge) | kV |
| External Capacitors | 4 × 0.1 μF | μF |
| Package Options | SOIC (D), SSOP (DB), SOIC (DW), TSSOP (PW) | - |
Key Features
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
- Operates with a single 3-V to 5.5-V supply using a dual charge-pump circuit.
- Includes two line drivers and two line receivers.
- Robust ESD protection: ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), ±15 kV (IEC61000-4-2, Air-gap discharge).
- Low supply current: 300 μA (typical).
- Accepts 5-V logic input with a 3.3-V supply.
- Pin compatible with alternative high-speed devices (1 Mbit/s): SN65C3232E, SN75C3232E.
- Outputs are protected against shorts to ground.
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise computing
- Battery-powered systems
- Notebooks and laptops
- Palmtop PCs and PDAs
- Hand-held equipment
Q & A
- What is the operating voltage range of the MAX3232EIDR?
The MAX3232EIDR operates with a supply voltage (VCC) ranging from 3 V to 5.5 V.
- What is the maximum data signaling rate of the MAX3232EIDR?
The device can operate at data signaling rates up to 250 kbit/s.
- What kind of ESD protection does the MAX3232EIDR 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.
- How many external capacitors are required for the MAX3232EIDR?
The device requires four external capacitors, each 0.1 μF.
- Is the MAX3232EIDR compatible with 5-V logic input?
- What are the package options available for the MAX3232EIDR?
The device is available in SOIC (D), SSOP (DB), SOIC (DW), and TSSOP (PW) packages.
- What are some common applications of the MAX3232EIDR?
- Does the MAX3232EIDR meet industry standards for RS-232 communication?
- What is the typical supply current of the MAX3232EIDR?
- Are the outputs of the MAX3232EIDR protected against shorts to ground?
