Overview
The ADM242ARZ is a high-speed RS-232 line transceiver produced by Analog Devices Inc. It is part of the ADM222, ADM232A, and ADM242 family, which offers advanced features for serial communication. This device operates from a single 5 V power supply and is designed to provide efficient and reliable transmission rates up to 200 kB/s. The ADM242ARZ is fabricated using BiCMOS technology, combining low power CMOS with high-speed bipolar circuitry, which minimizes power consumption while maintaining high performance.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM242ARZ |
| Description | IC TXRX RS-232 2:2 5V LP 18SOIC |
| Package | 18-SOIC (0.295", 7.50mm Width) |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Number of Drivers/Receivers | 2/2 |
| Protocol | RS232 |
| Data Rate | Up to 200 kB/s |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- High-speed RS-232 transmission rates up to 200 kB/s.
- Operates from a single 5 V power supply with an integrated charge pump voltage doubler and inverter to generate ±10 V levels.
- Low power consumption with quiescent current under 5 mA and shutdown current of 0.1 mA.
- Shutdown (SHDN) and enable (EN) functions for power management and bus sharing.
- Internal 400 kΩ pull-up resistors on TTL/CMOS inputs and internal 5 kΩ pull-down resistors on RS-232 inputs.
- Lead free and RoHS compliant.
Applications
- Computers and peripherals
- Modems
- Printers
- Instruments
Q & A
- What is the ADM242ARZ used for? The ADM242ARZ is used as a high-speed RS-232 line transceiver for serial communication in various applications.
- What is the operating voltage of the ADM242ARZ? The operating voltage is between 4.5 V and 5.5 V.
- What is the data transmission rate of the ADM242ARZ? The data transmission rate is up to 200 kB/s.
- How many drivers and receivers does the ADM242ARZ have? It has 2 drivers and 2 receivers.
- What is the package type of the ADM242ARZ? It is packaged in an 18-SOIC (0.295", 7.50mm Width).
- Is the ADM242ARZ RoHS compliant? Yes, it is lead free and RoHS compliant.
- What are the shutdown and enable functions of the ADM242ARZ? The shutdown function reduces power consumption, and the enable function allows disabling the receiver outputs for bus sharing.
- What is the operating temperature range of the ADM242ARZ? The operating temperature range is -40°C to 85°C.
- What technology is used in the fabrication of the ADM242ARZ? It is fabricated using BiCMOS technology.
- What are the internal resistors on the TTL/CMOS and RS-232 inputs? Internal 400 kΩ pull-up resistors on TTL/CMOS inputs and internal 5 kΩ pull-down resistors on RS-232 inputs.
