Overview
The ADM202EARWZ-REEL, produced by Analog Devices Inc., is a high-performance RS-232 interface IC designed for robust and reliable communication in various harsh electrical environments. This 2-channel RS-232 line driver/receiver pair operates from a single 5 V power supply and is compliant with the EU directive on EMC (89/336/EEC). It features an efficient on-chip charge pump design that generates ±10 V RS-232 output levels, making it suitable for industrial automation, instrumentation, telecommunications, and automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Duplex | Full Duplex |
| Data Rate | Up to 230 kbps |
| Supply Voltage | 4.5 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| ESD Protection | ±15 kV (Human Body Model), ±8 kV (Contact Discharge) |
| Package Type | 16-lead SOIC (WSOIC) |
| Power Dissipation | 10 mW (typical) |
Key Features
- Compliance with EIA-232E and CCITT V.28 specifications
- High-speed operation up to 230 kbps
- ESD protection exceeding ±15 kV on all I/O lines
- Fast transient/burst protection (IEC1000-4-4) and radiated immunity (IEC1000-4-3)
- Low EMI emissions (EN55022)
- Internal charge-pump voltage converter generating ±10 V from a single 5 V supply
- CMOS technology for low power consumption
- Overvoltage protection allowing receiver inputs to withstand continuous voltages in excess of ±30 V
Applications
- Industrial automation
- Instrumentation
- Telecommunications
- Automotive systems
- Data acquisition systems
- Programmable logic controllers (PLCs)
- Modems and networking equipment
- Sensors and other communication devices
Q & A
- What is the maximum data rate of the ADM202EARWZ?
The ADM202EARWZ supports data rates up to 230 kbps.
- What type of power supply does the ADM202EARWZ require?
The ADM202EARWZ operates from a single 5 V power supply.
- What is the operating temperature range of the ADM202EARWZ?
The operating temperature range is -40°C to +85°C.
- What level of ESD protection does the ADM202EARWZ offer?
The ADM202EARWZ offers ESD protection exceeding ±15 kV (Human Body Model) and ±8 kV (Contact Discharge).
- What package type is the ADM202EARWZ available in?
The ADM202EARWZ is available in a 16-lead SOIC (WSOIC) package.
- Is the ADM202EARWZ compliant with EMC directives?
Yes, the ADM202EARWZ is compliant with the EU directive on EMC (89/336/EEC).
- What are the typical applications of the ADM202EARWZ?
The ADM202EARWZ is used in industrial automation, instrumentation, telecommunications, automotive systems, data acquisition, PLCs, modems, and networking equipment.
- How does the ADM202EARWZ generate RS-232 output levels?
The ADM202EARWZ uses an internal charge-pump voltage converter to generate ±10 V RS-232 output levels from a single 5 V supply.
- Does the ADM202EARWZ have overvoltage protection?
Yes, the ADM202EARWZ has overvoltage protection allowing receiver inputs to withstand continuous voltages in excess of ±30 V.
- What technology is used to minimize power consumption in the ADM202EARWZ?
CMOS technology is used to minimize power consumption.
