Overview
The ADM208EANZ, produced by Analog Devices Inc., is a robust RS-232 transceiver designed to operate from a single +5 V power supply. This device is part of the ADM2xxE family, known for its compliance with EMI/EMC directives and enhanced transient protection. The ADM208EANZ is backward compatible with earlier ADM2xx products, making it an ideal choice for upgrading existing designs.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 5 V |
| Number of Drivers | 4 |
| Number of Receivers | 4 |
| ESD Protection | ±15 kV (IEC 1000-4-2) |
| Shutdown Enable | No |
| Packages Available | 24-lead PDIP, SSOP, TSSOP, SOIC_W |
| Baud Rate | Up to 230 kbps |
Key Features
- Complies with 89/336/EEC EMC directive
- ESD protection to IEC 1000-4-2 (±15 kV air-gap discharge, ±8 kV contact discharge)
- Internal charge pump voltage converter generating ±10 V from a single +5 V supply
- 5 V logic to EIA-232 transmitters and EIA-232 to 5 V logic receivers
- Transient protection circuit on all I/O lines
- Internal 400 kΩ pull-up resistors on each TTL/CMOS input and 5 kΩ pull-down resistors on each RS-232 input
Applications
The ADM208EANZ is suitable for a variety of applications requiring reliable RS-232 communication, including:
- Industrial automation and control systems
- Medical devices
- Point-of-sale terminals
- Remote data acquisition systems
- Any environment where robust EMI/EMC compliance and high ESD protection are necessary
Q & A
- What is the supply voltage for the ADM208EANZ?
The ADM208EANZ operates from a single +5 V power supply.
- How many drivers and receivers does the ADM208EANZ have?
The ADM208EANZ has 4 drivers and 4 receivers.
- What level of ESD protection does the ADM208EANZ offer?
The ADM208EANZ offers ESD protection up to ±15 kV (IEC 1000-4-2).
- Does the ADM208EANZ have a shutdown enable feature?
No, the ADM208EANZ does not have a shutdown enable feature.
- In what packages is the ADM208EANZ available?
The ADM208EANZ is available in 24-lead PDIP, SSOP, TSSOP, and SOIC_W packages.
- What is the maximum baud rate supported by the ADM208EANZ?
The ADM208EANZ supports baud rates up to 230 kbps.
- Is the ADM208EANZ backward compatible with earlier ADM2xx products?
- What type of voltage converter does the ADM208EANZ use?
The ADM208EANZ uses a charge pump voltage converter to generate ±10 V from the +5 V supply.
- Does the ADM208EANZ have internal pull-up and pull-down resistors?
- What are some typical applications for the ADM208EANZ?
The ADM208EANZ is used in industrial automation, medical devices, point-of-sale terminals, remote data acquisition systems, and other environments requiring robust EMI/EMC compliance and high ESD protection.
