Overview
The ADM202EARN-REEL7, produced by Analog Devices Inc., is a robust and high-speed 2-channel RS-232/V.28 interface device. This component operates from a single 5 V power supply and is designed to meet the TIA/EIA-232E and CCITT V.28 specifications. The ADM202E is particularly suited for operation in harsh electrical environments, offering high levels of electromagnetic compatibility (EMC) and immunity to electrostatic discharge (ESD) and electrical fast transients (EFT).
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (VCC) | 4.5 V to 5.5 V | |
| Maximum Data Rate | 230 kbps | RL = 3 kΩ, CL = 1000 pF |
| Transmitter Propagation Delay | 1.0 to 1.5 µs | RL = 3 kΩ, CL = 1000 pF |
| Receiver Propagation Delay | 0.1 to 1 µs | |
| ESD Protection (I/O Pins) | ±15 kV (Human Body Model), ±8 kV (Contact Discharge) | IEC1000-4-2 |
| EFT Protection (I/O Pins) | ±2 kV | IEC1000-4-4 |
| Operating Temperature | -40°C to 85°C | |
| Package Type | 16-Pin SOIC |
Key Features
- High-speed operation with data rates up to 230 kbps.
- Compliance with TIA/EIA-232E and CCITT V.28 specifications.
- ESD protection in excess of ±15 kV on all I/O lines and EFT protection up to ±2 kV.
- Low power consumption, typically 10 mW.
- High drive currents allowing extended cable lengths.
- Internal voltage doubler and voltage inverter generating ±10 V from a single 5 V supply.
- Immunity to radiated and conducted interference, including high RF field strengths.
Applications
- General-purpose RS-232 data links.
- Portable instruments and PDAs.
- Industrial and commercial environments where high levels of EMC and ESD protection are required.
- Applications where RS-232 cables are frequently being plugged/unplugged.
Q & A
- What is the maximum data rate of the ADM202EARN-REEL7?
The maximum data rate is 230 kbps.
- What is the operating voltage range of the ADM202EARN-REEL7?
The operating voltage range is 4.5 V to 5.5 V.
- What kind of ESD protection does the ADM202EARN-REEL7 offer?
The device offers ESD protection in excess of ±15 kV on all I/O lines.
- What is the operating temperature range of the ADM202EARN-REEL7?
The operating temperature range is -40°C to 85°C.
- What package type is the ADM202EARN-REEL7 available in?
The device is available in a 16-Pin SOIC package.
- Does the ADM202EARN-REEL7 comply with industry standards for EMC?
Yes, it complies with the EU directive on electromagnetic compatibility and meets the requirements of EN55022 and CISPR22.
- What is the power consumption of the ADM202EARN-REEL7?
The power consumption is typically 10 mW.
- Can the ADM202EARN-REEL7 handle high RF field strengths?
Yes, it is immune to high RF field strengths without special shielding precautions.
- What are the typical applications of the ADM202EARN-REEL7?
It is used in general-purpose RS-232 data links, portable instruments, PDAs, and in industrial and commercial environments.
- Does the ADM202EARN-REEL7 have internal voltage converters?
Yes, it has an internal voltage doubler and voltage inverter that generates ±10 V from a single 5 V supply.
