Overview
The ADM232LJRZ-REEL, produced by Analog Devices Inc., is a 5V-powered CMOS RS-232 transceiver designed for use in a variety of serial communication applications. This integrated circuit is part of the ADM23xL series and is known for its high performance and reliability in converting between TTL/CMOS and RS-232 signal levels. The device is packaged in a 16-lead SOIC and operates over a temperature range of 0°C to 70°C, making it suitable for a wide range of environments.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 16-lead SOIC |
| Operating Supply Voltage | 5V |
| Operating Temperature Range | 0°C to 70°C |
| Number of Drivers/Receivers | 2/2 |
| Data Rate | Up to 120 kbps |
| RS-232 Input Voltage Range | –30 V to +30 V |
| RS-232 Input Threshold Low | 0.8 V to 1.2 V |
| RS-232 Input Threshold High | 1.6 V to 2.4 V |
| RS-232 Input Hysteresis | 0.65 V |
| TTL/CMOS Output Voltage Low | 0.4 V |
| TTL/CMOS Output Voltage High | 3.5 V |
| Propagation Delay | 0.3 µs |
| Output Enable Time (TEN) | 250 ns |
| Output Disable Time (TDIS) | 50 ns |
Key Features
- High-Speed Data Transmission: Supports data rates up to 120 kbps.
- Low Power Consumption: Typical supply current of 3.5 mA (no load) and shutdown supply current of 1 µA.
- Internal Pull-Up and Pull-Down Resistors: Internal 400 kΩ pull-up resistors on TTL/CMOS inputs and 5 kΩ pull-down resistors on RS-232 inputs.
- Full Duplex Operation: Allows simultaneous transmission and reception of data.
- Wide Input Voltage Range: RS-232 input voltage range of –30 V to +30 V.
- Compact Package: Available in a 16-lead SOIC package.
Applications
- Industrial Automation: Used in control systems, sensors, and actuators that require serial communication.
- Medical Devices: Suitable for medical equipment that needs reliable serial communication interfaces.
- Point of Sale (POS) Systems: Employed in POS terminals and other retail systems requiring serial communication.
- Embedded Systems: Commonly used in various embedded systems that need to interface with RS-232 devices.
- Telecommunications: Used in telecommunications equipment for serial data transmission.
Q & A
- What is the operating supply voltage of the ADM232LJRZ-REEL?
The operating supply voltage is 5V. - What is the maximum data rate supported by the ADM232LJRZ-REEL?
The maximum data rate is up to 120 kbps. - What is the package type of the ADM232LJRZ-REEL?
The package type is 16-lead SOIC. - What is the operating temperature range of the ADM232LJRZ-REEL?
The operating temperature range is 0°C to 70°C. - Does the ADM232LJRZ-REEL support full duplex operation?
Yes, it supports full duplex operation. - What are the RS-232 input voltage thresholds for the ADM232LJRZ-REEL?
The RS-232 input voltage thresholds are 0.8 V to 1.2 V for low and 1.6 V to 2.4 V for high. - What is the propagation delay of the ADM232LJRZ-REEL?
The propagation delay is 0.3 µs. - How much current does the ADM232LJRZ-REEL typically consume during shutdown?
The shutdown supply current is typically 1 µA. - Are there internal pull-up and pull-down resistors on the ADM232LJRZ-REEL?
Yes, there are internal 400 kΩ pull-up resistors on TTL/CMOS inputs and 5 kΩ pull-down resistors on RS-232 inputs. - What is the RS-232 input hysteresis of the ADM232LJRZ-REEL?
The RS-232 input hysteresis is 0.65 V.
