Overview
The MAX3232IDWRE4, 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 the electrical interface between an asynchronous communication controller and a serial-port connector. It consists of two line drivers, two line receivers, and a dual charge-pump circuit, which allows operation from a single 3-V to 5.5-V supply. The MAX3232IDWRE4 meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards, ensuring reliable and compliant RS-232 communication.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | - | 3 | - | 5.5 | V |
| Supply Current (ICC) | No load, VCC = 3.3 V to 5 V | 0.3 | 1 | - | mA |
| Maximum Data Rate | RL = 3 kΩ, CL = 1000 pF | 150 | 250 | - | kbit/s |
| Driver Output Slew Rate | RL = 3 kΩ to 7 kΩ, CL = 150 to 1000 pF | 6 | - | 30 | V/μs |
| ESD Protection | - | - | - | ±15 kV (HBM) | - |
| Operating Temperature | - | -40 | - | 85 | °C |
| Package Type | - | - | - | SOIC (DW), TSSOP (PW) | - |
Key Features
- RS-232 bus-terminal ESD protection exceeds ±15 kV using the human-body model (HBM)
- 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
- Operates at data signaling rates up to 250 kbit/s
- Two line drivers and two line receivers
- Low supply current: 300 μA typical
- Requires four external capacitors (0.1 μF each)
- Accepts 5-V logic input with a 3.3-V supply
- Outputs protected against shorts to ground
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise networking
- Battery-powered systems
- PDAs
- Notebooks and laptops
- Palmtop PCs
- Hand-held equipment
Q & A
- What is the operating voltage range of the MAX3232IDWRE4?
The MAX3232IDWRE4 operates with a supply voltage (VCC) ranging from 3 V to 5.5 V.
- What is the maximum data rate supported by the MAX3232IDWRE4?
The device supports data signaling rates up to 250 kbit/s.
- What kind of ESD protection does the MAX3232IDWRE4 offer?
The device offers ±15 kV ESD protection using the human-body model (HBM).
- How many line drivers and receivers does the MAX3232IDWRE4 have?
The device includes two line drivers and two line receivers.
- What is the typical supply current of the MAX3232IDWRE4?
The typical supply current is 300 μA.
- What external components are required for the MAX3232IDWRE4 to operate?
The device requires four external capacitors, each 0.1 μF.
- Can the MAX3232IDWRE4 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 the operating temperature ranges for the MAX3232IDWRE4?
The operating temperature range is from -40°C to 85°C.
- What standards does the MAX3232IDWRE4 comply with?
The device meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
- What types of packages are available for the MAX3232IDWRE4?
The device is available in SOIC (DW) and TSSOP (PW) packages.
