Overview
The ADM208EARSZ-REEL, produced by Analog Devices Inc., is a robust RS-232 and V.28 interface transceiver designed to operate from a single 5 V power supply. This device is part of the ADM2xxE family, known for its EMI/EMC compliance and high-level ESD protection. The ADM208EARSZ-REEL is backward compatible with earlier ADM2xx products, making it an ideal choice for upgrading older designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature | -40°C to 85°C | °C |
| Supply Voltage | 4.5 V to 5.5 V | V |
| Number of Drivers/Receivers | 4/4 | - |
| Protocol | RS-232 | - |
| Data Rate | 230 kbps | kbps |
| Receiver Hysteresis | 650 mV | mV |
| ESD Protection (I/O Pins) | ±15 kV (Human body model), ±8 kV (IEC 1000-4-2 contact discharge) | kV |
| Package/Case | 24-SSOP (0.209", 5.30mm Width) | - |
| Mounting Type | Surface Mount | - |
Key Features
- EMI/EMC Compliance: The device is designed to meet EMI/EMC standards, ensuring reliable operation in noisy environments.
- High ESD Protection: Offers ±15 kV ESD protection on I/O pins, enhancing the device's robustness against electrostatic discharges.
- Single 5 V Power Supply: Operates from a single 5 V power supply, simplifying power management in system designs.
- Backward Compatibility: Compatible with earlier ADM2xx products, facilitating easy upgrades of older designs.
- Internal Charge Pump: Includes a charge pump voltage converter that generates the necessary ±10 V supply from the 5 V input.
- Transient Protection: Features transient protection circuitry on all I/O lines to protect against voltage spikes and other transient events.
Applications
The ADM208EARSZ-REEL is suitable for a variety of applications requiring reliable RS-232 communication. These include:
- Industrial Automation: Used in control systems, data acquisition, and communication interfaces in industrial environments.
- Medical Devices: Employed in medical equipment that requires robust and reliable serial communication.
- Point of Sale (POS) Systems: Utilized in POS terminals and other retail systems for secure and reliable data transmission.
- Embedded Systems: Integrated into embedded systems that need to communicate over RS-232 interfaces.
Q & A
- What is the operating temperature range of the ADM208EARSZ-REEL?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for this device?
The supply voltage range is 4.5 V to 5.5 V.
- How many drivers and receivers does the ADM208EARSZ-REEL have?
The device has 4 drivers and 4 receivers.
- What is the maximum data rate supported by the ADM208EARSZ-REEL?
The maximum data rate is 230 kbps.
- What type of ESD protection does the ADM208EARSZ-REEL offer?
The device offers ±15 kV ESD protection on I/O pins.
- What package types are available for the ADM208EARSZ-REEL?
The device is available in 24-SSOP packages.
- Is the ADM208EARSZ-REEL backward compatible with earlier ADM2xx products?
- What is the purpose of the internal charge pump in the ADM208EARSZ-REEL?
The internal charge pump generates the necessary ±10 V supply from the 5 V input.
- Does the ADM208EARSZ-REEL have transient protection?
- What are some common applications for the ADM208EARSZ-REEL?
