Overview
The ADM202JRNZ, produced by Analog Devices Inc., is a 2-channel RS-232 line driver/receiver pair designed to operate from a single 5 V power supply. This device is engineered to meet or exceed the TIA/EIA-232-E and V.28 specifications, making it a reliable choice for various communication applications. The ADM202JRNZ features an efficient on-chip charge pump design, allowing it to generate ±10 V RS-232 output levels using small 0.1 µF charge pump capacitors. This design minimizes power consumption and ensures high performance in data transmission.
Key Specifications
| Parameter | Description |
|---|---|
| Power Supply | Single 5 V ± 10% |
| Transmission Rate | Up to 120 kB/s |
| Charge Pump Capacitors | 0.1 µF |
| RS-232 Output Levels | ±10 V nominal |
| Receiver Input Levels | Accepts signal levels down to ±3 V |
| Transmitter Output Levels | Delivers ±5 V minimum on the transmission channel |
| Package Options | 16-lead PDIP, narrow and wide 16-lead SOIC |
| ESD Protection | Greater than 2 kV |
| Overvoltage Protection | Receiver inputs can withstand continuous voltages in excess of ±30 V |
| Power Consumption | 10 mW |
Key Features
- Highly efficient on-chip charge pump design to generate ±10 V RS-232 output levels using small 0.1 µF capacitors.
- Fast driver slew rates permitting 120 kB operation.
- High drive currents allowing extended cable lengths.
- Epitaxial BiCMOS construction to minimize power consumption and prevent latch-up.
- ESD protection to levels greater than 2 kV on all pins.
- Overvoltage protection allowing receiver inputs to withstand continuous voltages in excess of ±30 V.
Applications
The ADM202JRNZ is suitable for a variety of applications requiring reliable RS-232 communication, including industrial control systems, medical devices, point-of-sale terminals, and any system that needs to interface with RS-232 peripherals. Its robust design and high performance make it an ideal choice for environments where data integrity and reliability are crucial.
Q & A
- What is the power supply requirement for the ADM202JRNZ?
The ADM202JRNZ operates from a single 5 V power supply ± 10%. - What is the maximum transmission rate of the ADM202JRNZ?
The maximum transmission rate is up to 120 kB/s. - What are the typical RS-232 output levels generated by the ADM202JRNZ?
The device generates ±10 V nominal RS-232 output levels. - What type of capacitors are required for the charge pump in the ADM202JRNZ?
The charge pump requires small 0.1 µF capacitors. - Does the ADM202JRNZ have ESD protection?
Yes, the ADM202JRNZ has ESD protection to levels greater than 2 kV on all pins. - What is the power consumption of the ADM202JRNZ?
The power consumption is 10 mW. - What are the package options available for the ADM202JRNZ?
The device is available in 16-lead PDIP and both narrow and wide 16-lead SOIC packages. - Can the receiver inputs of the ADM202JRNZ withstand overvoltage?
Yes, the receiver inputs can withstand continuous voltages in excess of ±30 V. - What technology is used in the construction of the ADM202JRNZ?
The device uses epitaxial BiCMOS construction. - What are some common applications of the ADM202JRNZ?
The ADM202JRNZ is used in industrial control systems, medical devices, point-of-sale terminals, and other systems requiring reliable RS-232 communication.
