Overview
The ADM2209EARU-REEL, produced by Analog Devices Inc., is a comprehensive dual RS-232 port transceiver integrated into a single chip. This device contains six drivers and ten receivers, fully complying with EIA-232 and V.28 specifications. It is designed to operate in harsh electrical environments and is compliant with EU directives on EMC (89/336/EEC), ensuring both low emissions and high immunity levels. The ADM2209E features an onboard dc-to-dc converter, eliminating the need for a negative power supply, and includes robust ESD and EFT protection mechanisms.
Key Specifications
| Parameter | Min | Typ | Max | Units | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Voltage Range, VDD | 10.8 | 12 | 13.2 | V | |
| Standby Voltage Range, VSTBY | 3.15 | 5.5 | V | ||
| VDD Power Supply Current | 5 | mA | No Load, All Driver Inputs at 0.8 V or 2 V, All Receiver Inputs at +15 V or –15 V | ||
| VSTBY Supply Current | 100 | 200 | µA | No Load, All Tx IN at VSTBY or Open | |
| Transmitter (Driver) CMOS Input High Level Voltage, VINH | 2.1 | V | |||
| Transmitter (Driver) CMOS Input Low Level Voltage, VINL | 0.4 | V | |||
| Transmitter (Driver) EIA-232 Output Voltage Swing | ±5.0 | ±9.0 | V | ||
| Data Rate | 460 | kbps | |||
| Operating Temperature | -40 | 85 | °C | ||
| Package Type | 38-TSSOP | ||||
| Number of Drivers/Receivers | 6/10 |
Key Features
- Dual RS-232 port on a single chip with six drivers and ten receivers.
- Onboard dc-to-dc converter to generate a –12 V power rail, eliminating the need for a negative power supply.
- Compliant with EIA-232 and V.28 specifications.
- Operates at data rates up to 460 kbps.
- Robust ESD and EFT protection: ±15 kV ESD protection on all I-O lines, Electrical Fast Transient protection, and Radiated Immunity.
- EMC compliance: meets EU directive on EMC (89/336/EEC) and IT equipment standards (EN55022, CISPR22).
- Standby mode with one active receiver on each port for peripheral device monitoring.
- Wide operating temperature range: -40°C to 85°C.
- Surface mount package: 38-TSSOP.
Applications
- Industrial Automation: Suitable for high-speed serial communication in industrial environments.
- Data Communication Systems: Ideal for commercial and industrial interface applications.
- Industrial I/O and Interface Applications: Compatible with various industrial protocols and standards.
- Harsh Electrical Environments: Designed to operate in challenging electrical conditions.
Q & A
- What is the ADM2209EARU-REEL used for?
The ADM2209EARU-REEL is a dual RS-232 port transceiver used for serial communication in various applications, including industrial automation and data communication systems.
- What are the key specifications of the ADM2209EARU-REEL?
Key specifications include an operating voltage range of 10.8V to 13.2V, data rates up to 460 kbps, and compliance with EIA-232 and V.28 specifications.
- What type of protection does the ADM2209EARU-REEL offer?
The device offers robust ESD and EFT protection, including ±15 kV ESD protection on all I-O lines, Electrical Fast Transient protection, and Radiated Immunity.
- What is the operating temperature range of the ADM2209EARU-REEL?
The operating temperature range is -40°C to 85°C.
- What package type is the ADM2209EARU-REEL available in?
The device is available in a 38-TSSOP package.
- Does the ADM2209EARU-REEL require a negative power supply?
No, it features an onboard dc-to-dc converter to generate a –12 V power rail, eliminating the need for a negative power supply.
- Is the ADM2209EARU-REEL compliant with EMC standards?
Yes, it is compliant with the EU directive on EMC (89/336/EEC) and IT equipment standards (EN55022, CISPR22).
- How many drivers and receivers does the ADM2209EARU-REEL have?
The device has six drivers and ten receivers.
- What is the standby mode feature of the ADM2209EARU-REEL?
In standby mode, one receiver on each port remains active to allow monitoring of peripheral devices while the rest of the system is in power-saving mode.
- Is the ADM2209EARU-REEL suitable for industrial environments?
Yes, it is designed to operate in harsh electrical environments and is suitable for industrial automation and other industrial applications.
