Overview
The ADM213EARS-REEL is a robust RS-232 transceiver manufactured by Analog Devices Inc. This device is designed for serial communication interfaces and is particularly suited for operation in electrically harsh environments. It operates from a single 5 V supply and features integral charge pump circuitry, which eliminates the need for external level shifting. The ADM213EARS-REEL is fully compliant with EIA-232E and CCITT V.28 specifications, supporting data rates up to 230 kbps.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM213EARS-REEL |
| Package | SSOP-28-208mil |
| Drivers/Receivers | 4/5 |
| Duplex | Full |
| 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, ±15 kV IEC 1000-4-2 Air Discharge, ±8 kV IEC 1000-4-2 Contact Discharge |
| EMI Immunity | 10 V/m IEC 1000-4-3 |
Key Features
- Integral charge pump circuitry for generating RS-232 levels from a single 5 V supply.
- Four driver and five receiver channels with full duplex communication capability.
- High-speed data transmission up to 230 kbps.
- Receiver hysteresis of 650 mV for improved noise immunity.
- Robust ESD protection up to ±15 kV and electrical fast transient protection.
- Low power consumption design with shutdown mode reducing power to 5 µW.
- Thermal shutdown protection and short-circuit protection for driver outputs.
- Industry-standard pinout and functions.
- Compliance with EU directive on electromagnetic compatibility, including radiated and conducted emissions as per EN55022, CISPR22.
Applications
The ADM213EARS-REEL is ideally suited for various applications requiring robust serial communication, including:
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Point-of-sale terminals.
- Any environment where RS-232 cables are frequently being unplugged or where high levels of electromagnetic interference are present.
Q & A
- What is the primary function of the ADM213EARS-REEL?
The ADM213EARS-REEL is an RS-232 transceiver designed for serial communication interfaces, providing four driver and five receiver channels.
- What is the maximum data rate supported by the ADM213EARS-REEL?
The device supports data rates up to 230 kbps.
- What type of ESD protection does the ADM213EARS-REEL offer?
The device offers ±15 kV ESD protection according to the Human Body Model and IEC 1000-4-2 standards.
- How does the shutdown mode function in the ADM213EARS-REEL?
In shutdown mode, the charge pump, all transmitters, and three of the five receivers are disabled. However, two receivers remain active to monitor peripheral devices.
- What is the operating temperature range of the ADM213EARS-REEL?
The device operates within a temperature range of -40°C to +85°C.
- Does the ADM213EARS-REEL require external level shifting?
No, the device features integral charge pump circuitry that eliminates the need for external level shifting.
- What are the key advantages of using the ADM213EARS-REEL in harsh environments?
The device offers robust ESD protection, low power consumption, and immunity to radiated and conducted interference, making it suitable for harsh environments.
- How many external capacitors are required for the ADM213EARS-REEL?
Four external 0.1 µF capacitors are required.
- Is the ADM213EARS-REEL compliant with industry standards for electromagnetic compatibility?
Yes, the device is compliant with EU directives on electromagnetic compatibility, including EN55022 and CISPR22 standards.
- What is the typical supply voltage range for the ADM213EARS-REEL?
The device operates with a supply voltage range of 4.5 V to 5.5 V.
