Overview
The ADM211EARSZ is a robust RS-232 and V.28 interface device produced by Analog Devices Inc. This component operates from a single 5V power supply and is designed to meet the EIA-232-E and CCITT V.28 specifications. It is particularly suited for operation in harsh electrical environments, offering high levels of EMI/EMC compliance and ESD protection. The device features four drivers and five receivers, making it versatile for various communication applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 28-SSOP (0.209, 5.30mm Width) |
| Number of Pins | 28 |
| Operating Supply Voltage | 4.5V to 5.5V |
| Number of Drivers | 4 |
| Number of Receivers | 5 |
| Data Rate | 230 kbps |
| ESD Protection | ±15 kV (Contact and Air Gap), ±8 kV (HBM) |
| Temperature Range | -40°C to +85°C |
| Shutdown Power Consumption | ≤ 5 μW |
Key Features
- EMI/EMC compliant, meeting EU directive 89/336/EEC and EN 55022, CISPR 22 standards.
- High ESD protection: ±15 kV on all I/O lines (IEC 1000-4-2), fast transient burst protection (IEC 1000-4-4), and radiated immunity (IEC 1000-4-3).
- Low power consumption with a shutdown mode reducing power to less than 5 μW.
- Operates from a single 5V power supply with four external 0.1μF capacitors required.
- Features an enable (EN) function for receivers and a shutdown (SD) function for low power mode.
- Plug-in upgrade for MAX2xxE series.
- No need for TransZorb® suppressors due to built-in protection.
Applications
- Laptop and notebook computers.
- Printers and peripherals.
- Modems.
- Instruments and other communication devices requiring RS-232 interfaces.
- Battery-powered systems due to its low power shutdown mode.
Q & A
- What is the operating voltage range of the ADM211EARSZ?
The operating voltage range is from 4.5V to 5.5V.
- How many drivers and receivers does the ADM211EARSZ have?
The device features 4 drivers and 5 receivers.
- What is the data rate guaranteed by the ADM211EARSZ?
The data rate is guaranteed up to 230 kbps.
- What level of ESD protection does the ADM211EARSZ offer?
The device offers ±15 kV ESD protection on all I/O lines.
- Is the ADM211EARSZ compliant with EMI/EMC standards?
Yes, it is compliant with EU directive 89/336/EEC and EN 55022, CISPR 22 standards.
- What is the temperature range of the ADM211EARSZ?
The temperature range is from -40°C to +85°C.
- How much power does the ADM211EARSZ consume in shutdown mode?
The power consumption in shutdown mode is less than 5 μW.
- Does the ADM211EARSZ require external capacitors?
Yes, four external 0.1μF capacitors are required.
- What package type does the ADM211EARSZ come in?
The device comes in a 28-SSOP package.
- Can the ADM211EARSZ be used as a plug-in upgrade for other devices?
Yes, it can be used as a plug-in upgrade for MAX2xxE series.
