Overview
The ADM202EARW is a robust, high-speed RS-232 line driver/receiver pair designed by Analog Devices Inc. This component operates from a single 5 V power supply and is well-suited for operation in harsh electrical environments. It is compliant with the EU directive on electromagnetic compatibility (EMC) and offers extensive protection against electrostatic discharge (ESD) and electrical fast transients (EFT). The ADM202EARW is an upgrade and enhancement to earlier RS-232 interface devices, providing improved performance and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V |
| Package Type | 16-Pin SOIC (Wide and Narrow) |
| Data Rate | Up to 230 kbps |
| ESD Protection | ±15 kV on all I/O lines |
| EFT Protection | Compliant with IEC1000-4-4 |
| EMI Compliance | EN55022, CISPR22 |
| Power Consumption | Approximately 10 mW |
| Operating Temperature | -40°C to +85°C |
| Driver/Receiver Channels | 2 Drivers, 2 Receivers |
Key Features
- Highly efficient on-chip charge pump design to generate ±10 V RS-232 output levels from a single 5 V supply.
- Low power consumption using CMOS technology to minimize battery drain in portable applications.
- High transmission rates up to 230 kbps, suitable for high-speed data links and ISDN modem standards.
- Internal slew rate control to minimize EMI interference.
- Comprehensive protection against ESD (±15 kV) and EFT (IEC1000-4-4) on all I/O lines.
- Compliance with TIA/EIA-232-E and CCITT V.28 specifications.
- Available in 16-lead PDIP and SOIC packages.
Applications
- General-purpose RS-232 data links.
- Portable instruments and PDAs.
- Industrial control systems requiring robust RS-232 interfaces.
- Automotive and aerospace applications where high reliability and EMI compliance are crucial.
- ISDN modem standards requiring high data rates.
Q & A
- What is the supply voltage range for the ADM202EARW?
The supply voltage range is 4.5 V to 5.5 V. - What is the maximum data rate supported by the ADM202EARW?
The maximum data rate is up to 230 kbps. - What kind of ESD protection does the ADM202EARW offer?
The ADM202EARW offers ±15 kV ESD protection on all I/O lines. - Is the ADM202EARW compliant with EMI standards?
Yes, it is compliant with EN55022 and CISPR22 EMI standards. - What types of packages are available for the ADM202EARW?
The component is available in 16-lead PDIP and both narrow and wide 16-lead SOIC packages. - What is the power consumption of the ADM202EARW?
The power consumption is approximately 10 mW. - What are the operating temperature ranges for the ADM202EARW?
The operating temperature range is -40°C to +85°C. - How many driver and receiver channels does the ADM202EARW have?
The component has 2 drivers and 2 receivers. - Is the ADM202EARW suitable for use in harsh electrical environments?
Yes, it is designed to operate in harsh electrical environments and provides extensive protection against ESD and EFT. - What are some common applications of the ADM202EARW?
Common applications include general-purpose RS-232 data links, portable instruments, and industrial control systems.
