Overview
The ADM211EARU-REEL7, produced by Analog Devices Inc., is a robust RS-232 transceiver designed to facilitate full duplex communication. This component is part of the ADM211E series, which integrates four drivers and five receivers, making it suitable for a variety of communication applications. The device operates on a single 5 V supply and is compatible with the EIA-232-E specifications, ensuring reliable data transmission over RS-232 interfaces.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Drivers/Receivers | 4/5 | - |
| Duplex Mode | Full | - |
| Data Rate | Up to 120 kbps | kbps |
| Receiver Hysteresis | 650 mV | mV |
| Voltage Supply | 4.5 V to 5.5 V | V |
| Operating Temperature | -40°C to 85°C | °C |
| Package/Case | 28-SSOP | - |
| Mounting Type | Surface Mount | - |
| ESD Protection (I/O Pins) | ±15 kV (Human body model), ±8 kV (IEC 1000-4-2 contact discharge) | kV |
| Propagation Delay | 0.5 μs to 5 μs | μs |
| Transition Region Slew Rate | 8 V/μs | V/μs |
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 on a single 5 V supply, integrating step-up voltage converters and level shifting transmitters and receivers.
- Low power consumption (15 mW) and low power shutdown mode (≤ 5 μW).
- Internal 400 kΩ pull-up resistors on TTL/CMOS inputs and internal 5 kΩ pull-down resistors on RS-232 inputs.
- Shutdown and enable control pins for managing transmitter and receiver states.
- High ESD protection (±15 kV Human body model, ±8 kV IEC 1000-4-2 contact discharge).
Applications
- Telecommunication systems
- Data acquisition systems
- Point of sale terminals
- Industrial control systems
- Computers and peripherals
- Modems and printers
- Instruments and other communication-intensive devices
Q & A
- What is the ADM211EARU-REEL7 used for?
The ADM211EARU-REEL7 is used as a full duplex RS-232 transceiver, facilitating communication with four drivers and five receivers.
- What is the data rate supported by the ADM211EARU-REEL7?
The ADM211EARU-REEL7 supports data rates up to 120 kbps.
- What is the operating temperature range of the ADM211EARU-REEL7?
The operating temperature range is -40°C to 85°C.
- What type of package does the ADM211EARU-REEL7 come in?
The ADM211EARU-REEL7 comes in a 28-SSOP package.
- Does the ADM211EARU-REEL7 have ESD protection?
- How does the shutdown function work on the ADM211E?
The shutdown function on the ADM211E disables the charge pump and all transmitters and receivers when the SHDN pin is set high.
- What is the purpose of the internal pull-up and pull-down resistors?
The internal 400 kΩ pull-up resistors on TTL/CMOS inputs and internal 5 kΩ pull-down resistors on RS-232 inputs help in stabilizing the input states.
- Is the ADM211EARU-REEL7 compatible with the EIA-232-E standard?
- What are some common applications of the ADM211EARU-REEL7?
- What is the power consumption of the ADM211EARU-REEL7 in normal operation and shutdown mode?
