Overview
The ADM211EARU-REEL is a robust RS-232 transceiver produced by Analog Devices Inc. This component is designed to facilitate full duplex communication and is part of the ADM2xxE family of interface devices. It operates from a single +5 V power supply, making it versatile and efficient for various applications. The ADM211E is suitable for environments requiring reliable serial communication, with features such as shutdown control and high data integrity.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Drivers/Receivers | 4 drivers / 5 receivers |
| Duplex | Full |
| Receiver Hysteresis | 650 mV |
| Data Rate | Up to 120 kbps |
| Voltage Supply | 4.5 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 28-TSSOP |
| ESD Protection (I/O Pins) | ±15 kV Human body model, ±15 kV IEC 1000-4-2 air-gap discharge, ±8 kV IEC 1000-4-2 contact discharge |
Key Features
- Full duplex RS-232 transceiver with four drivers and five receivers.
- Supports data rates up to 120 kbps.
- Robust receiver hysteresis of 650 mV for high data integrity.
- Operates from a single +5 V power supply with on-board DC-to-DC converters generating ±9 V output swing.
- Shutdown control feature that disables the charge pump and all transmitters, while keeping two receivers active for monitoring peripheral devices.
- Internal 400 kΩ pull-up resistors on TTL/CMOS inputs and internal 5 kΩ pull-down resistors on RS-232 inputs.
- High ESD protection and radiated immunity compliance with IEC standards.
Applications
- Industrial automation and control systems.
- Point-of-sale terminals and other commercial equipment.
- Medical devices requiring reliable serial communication.
- Automotive systems, including diagnostic and communication interfaces.
- Embedded systems and IoT devices needing robust serial interfaces.
Q & A
- What is the operating voltage range of the ADM211EARU-REEL?
The operating voltage range is 4.5 V to 5.5 V.
- How many drivers and receivers does the ADM211EARU-REEL have?
The ADM211EARU-REEL has 4 drivers and 5 receivers.
- What is the maximum data rate supported by the ADM211EARU-REEL?
The maximum data rate supported is up to 120 kbps.
- What is the operating temperature range of the ADM211EARU-REEL?
The operating temperature range is -40°C to 85°C.
- Does the ADM211EARU-REEL have ESD protection?
- What is the package type of the ADM211EARU-REEL?
The package type is 28-TSSOP.
- Does the ADM211EARU-REEL support shutdown control?
- What is the receiver hysteresis of the ADM211EARU-REEL?
The receiver hysteresis is 650 mV.
- Is the ADM211EARU-REEL RoHS compliant?
No, it is not RoHS compliant.
- What are the internal resistors on the TTL/CMOS inputs and RS-232 inputs?
There are internal 400 kΩ pull-up resistors on TTL/CMOS inputs and internal 5 kΩ pull-down resistors on RS-232 inputs.
