Overview
The MAX3232IDWRG4, 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 the 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 3-V to 5.5-V supply, making it versatile for various applications. The MAX3232IDWRG4 includes two line drivers and two line receivers, offering high ESD protection and low supply current.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | - | 5.5 | V |
| Supply Current (ICC) | 0.3 | 1 | - | mA |
| Maximum Data Rate | 150 | 250 | - | kbit/s |
| Driver Output Slew Rate | 6 | - | 30 | V/μs |
| ESD Protection | ±15 | - | - | kV (HBM) |
| Package Types | SOIC (D), SSOP (DB), SOIC (DW), TSSOP (PW) | - | - | - |
| Operating Temperature | -40 | - | 85 | °C |
Key Features
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
- Operates with a 3-V to 5.5-V VCC supply.
- Includes two line drivers and two line receivers.
- Low supply current: 300 μA typical.
- External capacitors: 4 × 0.1 μF required.
- Accepts 5-V logic input with 3.3-V supply.
- ±15-kV ESD protection terminal to terminal (serial-port connection terminals, including GND).
- Operates at data signaling rates up to 250 kbit/s.
- Maximum driver output slew rate of 30 V/μs.
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise networking
- Battery-powered systems
- PDAs, notebooks, laptops, and palmtop PCs
- Hand-held equipment
Q & A
- What is the operating voltage range of the MAX3232IDWRG4?
The MAX3232IDWRG4 operates with a supply voltage (VCC) ranging from 3.0 V to 5.5 V.
- How many line drivers and receivers does the MAX3232IDWRG4 have?
The device includes two line drivers and two line receivers.
- What is the maximum data rate supported by the MAX3232IDWRG4?
The device supports data signaling rates up to 250 kbit/s.
- What kind of ESD protection does the MAX3232IDWRG4 offer?
The device offers ±15-kV ESD protection terminal to terminal using the human-body model (HBM).
- What are the typical applications of the MAX3232IDWRG4?
Typical applications include industrial PCs, wired networking, data center and enterprise networking, battery-powered systems, and hand-held equipment.
- What is the typical supply current of the MAX3232IDWRG4?
The typical supply current is 1 mA, with a minimum of 0.3 mA.
- Does the MAX3232IDWRG4 require external capacitors?
Yes, it requires four external 0.1 μF capacitors for the charge pump.
- Can the MAX3232IDWRG4 accept 5-V logic input with a 3.3-V supply?
Yes, it can accept 5-V logic input even when the supply voltage is 3.3 V.
- What is the maximum driver output slew rate of the MAX3232IDWRG4?
The maximum driver output slew rate is 30 V/μs.
- What are the available package types for the MAX3232IDWRG4?
The available package types include SOIC (D), SSOP (DB), SOIC (DW), and TSSOP (PW).
