Overview
The ADM211EARSZ-2REEL is a part of the ADM2xxE family of RS-232 and V.28 interface devices produced by Analog Devices Inc. This component is designed to operate from a single +5 V power supply, making it suitable for a variety of applications where reliable serial communication is required.
The ADM211E is known for its robust performance and low power consumption, making it an ideal choice for systems that need to interface with RS-232 compatible devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | –40°C to +85°C | °C |
| Power Supply Voltage | +5 V | V |
| Power Consumption (Active) | 15 mW | mW |
| Power Consumption (Shutdown) | ≤ 5 μW | μW |
| RS-232 Input Threshold (Low) | 0.8 to 1.25 V | V |
| RS-232 Input Threshold (High) | 1.9 to 2.4 V | V |
| RS-232 Input Hysteresis | 0.65 V | V |
| RS-232 Input Resistance | 3 to 5 kΩ | kΩ |
| TTL/CMOS Output Voltage (Low) | 0.4 V (IOUT = 1.6 mA) | V |
| TTL/CMOS Output Voltage (High) | 3.5 V (IOUT = –1.0 mA) | V |
| Output Enable Time | 115 ns | ns |
| Output Disable Time | 165 ns | ns |
| Propagation Delay | 0.5 to 5 μs | μs |
Key Features
- Low Power Consumption: The ADM211E operates at 15 mW in active mode and less than 5 μW in shutdown mode, making it energy-efficient.
- Wide Operating Temperature Range: The component can operate from –40°C to +85°C, making it suitable for various environmental conditions.
- RS-232 Compatibility: It supports RS-232 signal levels with ±30 V receiver input levels and latch-up free operation.
- TTL/CMOS Compatibility: The device has TTL/CMOS inputs and outputs, with internal 400 kΩ pull-up resistors on each input.
- Enable and Shutdown Inputs: The component features active low enable and active high shutdown inputs, allowing for easy control over the receiver outputs.
Applications
- Computers and Peripherals: Suitable for use in computer systems and peripheral devices that require RS-232 communication.
- Modems and Printers: Ideal for modem and printer interfaces where reliable serial communication is necessary.
- Instruments and Industrial Systems: Used in various industrial and instrumentation applications where RS-232 interfaces are required.
Q & A
- What is the operating voltage of the ADM211E?
The ADM211E operates from a single +5 V power supply.
- What is the power consumption of the ADM211E in active and shutdown modes?
In active mode, the power consumption is 15 mW, and in shutdown mode, it is less than 5 μW.
- What are the RS-232 input threshold levels for the ADM211E?
The RS-232 input threshold levels are between 0.8 V to 1.25 V for low and 1.9 V to 2.4 V for high.
- Does the ADM211E support TTL/CMOS inputs and outputs?
Yes, the device supports TTL/CMOS inputs and outputs with internal pull-up resistors.
- What is the propagation delay of the ADM211E?
The propagation delay is between 0.5 μs to 5 μs.
- What is the operating temperature range of the ADM211E?
The operating temperature range is from –40°C to +85°C.
- How do the enable and shutdown inputs work on the ADM211E?
The enable input is active low, and the shutdown input is active high for the ADM211E.
- Is the ADM211E latch-up free?
Yes, the ADM211E is latch-up free.
- What types of applications is the ADM211E suitable for?
The ADM211E is suitable for computers, peripherals, modems, printers, instruments, and various industrial systems.
- Does the ADM211E have internal pull-up and pull-down resistors?
Yes, it has internal 400 kΩ pull-up resistors on TTL/CMOS inputs and 5 kΩ pull-down resistors on RS-232 inputs.
