Overview
The MAX202IDW, produced by Texas Instruments, is a 5-V dual RS-232 line driver and receiver. This device is designed to meet or exceed the requirements of TIA/EIA-232-F and ITU v.28 standards. It features a dual charge-pump circuit that allows operation from a single 5-V supply, making it suitable for a variety of applications, especially in battery-powered systems and portable devices. The MAX202IDW provides an electrical interface between an asynchronous communication controller and the serial-port connector, ensuring reliable data transmission up to 120 kbit/s.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.5 to 5.5 | V |
| Data Signaling Rate | Up to 120 | kbit/s |
| Driver Output Slew Rate | 30 | V/µs |
| ESD Protection | ±15 kV | Human-Body Model |
| Number of Drivers and Receivers | 2 Drivers, 2 Receivers | |
| Latch-Up Performance | Exceeds 100 mA | Per JESD 78, Class II |
| Package Types | SOIC (16), SOIC Wide (16), TSSOP (16) | |
| Package Size (SOIC Wide) | 10.30 mm × 7.50 mm |
Key Features
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards.
- ESD protection for RS-232 bus pins: ±15-kV human-body model.
- Operates at a 5-V VCC supply.
- Operates up to 120 kbit/s data signaling rate.
- Includes two drivers and two receivers.
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
- Each receiver has shorted and open fail-safe and can accept up to ±30V inputs.
- Outputs are protected against shorts to ground.
Applications
- Battery-powered systems.
- Notebooks and laptops.
- Palmtop PCs and hand-held equipment.
Q & A
- What are the key standards that the MAX202IDW complies with?
The MAX202IDW meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards.
- What is the operating voltage range for the MAX202IDW?
The device operates with a supply voltage (VCC) range of 4.5 to 5.5 V.
- What is the maximum data signaling rate supported by the MAX202IDW?
The MAX202IDW supports data signaling rates up to 120 kbit/s.
- What level of ESD protection does the MAX202IDW offer?
The device provides ±15-kV ESD protection for RS-232 bus pins based on the human-body model.
- How many drivers and receivers are included in the MAX202IDW?
The MAX202IDW includes two drivers and two receivers.
- What is the latch-up performance of the MAX202IDW?
The latch-up performance exceeds 100 mA per JESD 78, Class II.
- What types of packages are available for the MAX202IDW?
The device is available in SOIC (16), SOIC Wide (16), and TSSOP (16) packages.
- What are some common applications for the MAX202IDW?
Common applications include battery-powered systems, notebooks, laptops, palmtop PCs, and hand-held equipment.
- How does the MAX202IDW handle receiver inputs?
Each receiver can accept up to ±30V inputs and has shorted and open fail-safe features.
- What is the purpose of the charge pump in the MAX202IDW?
The charge pump allows the device to operate from a single 5-V supply by generating the necessary voltage levels for RS-232 communication.
