Overview
The ADM208EARS-REEL, produced by Analog Devices Inc., is a ruggedized RS-232 line driver/receiver that operates from a single 5 V supply. This component is part of the ADM2xxE family, known for its robustness and compliance with various electromagnetic compatibility (EMC) standards. It is designed to provide reliable communication in electrically harsh environments and is backward compatible with earlier ADM2xx products, facilitating easy upgrades of older designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 5 | V |
| Number of Drivers | 4 | - |
| Number of Receivers | 4 | - |
| ESD Protection | ±15 kV (Air-gap), ±8 kV (Contact) | - |
| Shutdown Enable | No | - |
| Packages | 24-Lead SSOP, PDIP, TSSOP, SOIC_W | - |
| Operating Temperature Range | −40°C to +85°C | °C |
| Storage Temperature Range | −65°C to +150°C | °C |
| Transmitter Propagation Delay | 1 μs | s |
| Receiver Output Disable Time | 120 ns | s |
| Transition Region Slew Rate | 8 V/μs | V/s |
Key Features
- Compliance with 89/336/EEC EMC directive and IEC 1000-4-2 (801-2) for ESD protection.
- High ESD protection: ±15 kV air-gap discharge and ±8 kV contact discharge.
- Internal charge pump voltage converter generating ±10 V supply from a single 5 V input.
- Low power consumption and high transmission rates.
- Internal 400 kΩ pull-up resistors on each TTL/CMOS input and 5 kΩ pull-down resistors on each RS-232 input.
- Transient protection circuit on all I/O lines.
- Immunity to high RF field strengths and electrical fast transients up to ±2 kV.
Applications
The ADM208EARS-REEL is ideally suited for use in electrically harsh environments, such as industrial settings, automotive systems, and any application where RS-232 cables are frequently unplugged. It is also suitable for systems requiring high reliability and compliance with EMC standards.
- Industrial automation and control systems.
- Automotive communication systems.
- Point-of-sale terminals and other commercial equipment.
- Medical devices requiring robust communication interfaces.
Q & A
- What is the operating supply voltage of the ADM208EARS-REEL?
The ADM208EARS-REEL operates from a single 5 V supply.
- How many drivers and receivers does the ADM208EARS-REEL have?
The ADM208EARS-REEL has 4 drivers and 4 receivers.
- What is the ESD protection level of the ADM208EARS-REEL?
The ADM208EARS-REEL offers ESD protection up to ±15 kV air-gap discharge and ±8 kV contact discharge.
- Does the ADM208EARS-REEL have shutdown and enable features?
No, the ADM208EARS-REEL does not have shutdown and enable features.
- In what packages is the ADM208EARS-REEL available?
The ADM208EARS-REEL is available in 24-Lead SSOP, PDIP, TSSOP, and SOIC_W packages.
- What is the operating temperature range of the ADM208EARS-REEL?
The operating temperature range is −40°C to +85°C.
- What is the storage temperature range of the ADM208EARS-REEL?
The storage temperature range is −65°C to +150°C.
- What is the transmitter propagation delay of the ADM208EARS-REEL?
The transmitter propagation delay is 1 μs.
- What is the receiver output disable time of the ADM208EARS-REEL?
The receiver output disable time is 120 ns.
- What are some typical applications of the ADM208EARS-REEL?
Typical applications include industrial automation, automotive systems, point-of-sale terminals, and medical devices.
