Overview
The ADM202JNZ is a 2-channel RS-232 line driver/receiver pair manufactured by Analog Devices Inc. This device is designed to operate from a single 5 V power supply, making it highly versatile and efficient for various communication applications. The ADM202JNZ integrates a highly efficient on-chip charge pump design, which allows it to generate the necessary ±10 V RS-232 output levels using small external capacitors as small as 0.1 µF. This component meets or exceeds the TIA/EIA-232-E and V.28 specifications, ensuring reliable and high-performance communication.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage | 5 V ± 10% |
| Operating Temperature | 0°C to 70°C |
| Package Type | 16-Lead PDIP, 16-Lead SOIC (narrow and wide) |
| RS-232 Output Levels | ±10 V nominal |
| Driver Slew Rate | Up to 120 kB operation |
| Receiver Input Levels | Accepts signal levels down to ±3 V |
| Overvoltage Protection | Receiver inputs can withstand continuous voltages in excess of ±30 V |
| ESD Protection | Greater than 2 kV |
| Power Consumption | 10 mW typical |
Key Features
- Highly efficient on-chip charge pump design to generate ±10 V RS-232 levels from a single 5 V supply.
- Fast driver slew rates allowing up to 120 kB operation.
- High drive currents for extended cable lengths.
- Low power consumption of 10 mW typical.
- Overvoltage protection for receiver inputs up to ±30 V.
- ESD protection greater than 2 kV on all pins.
- Internal voltage doubler and voltage inverter.
- CMOS technology for minimal power dissipation.
Applications
- Industrial automation and control systems.
- Point-of-sale terminals and other commercial equipment.
- Medical devices requiring reliable serial communication.
- Embedded systems and microcontroller-based projects.
- Any application requiring RS-232 communication with a single 5 V supply.
Q & A
- What is the operating voltage of the ADM202JNZ?
The ADM202JNZ operates from a single 5 V power supply.
- What are the RS-232 output levels generated by the ADM202JNZ?
The device generates ±10 V RS-232 output levels.
- What is the maximum operating temperature of the ADM202JNZ?
The maximum operating temperature is 70°C.
- Does the ADM202JNZ have overvoltage protection?
- What is the typical power consumption of the ADM202JNZ?
The typical power consumption is 10 mW.
- What types of packages are available for the ADM202JNZ?
The device is available in 16-Lead PDIP and both narrow and wide 16-Lead SOIC packages.
- Does the ADM202JNZ have ESD protection?
- What is the minimum capacitor size required for the charge pump?
The minimum capacitor size required is 0.1 µF.
- What are some common applications of the ADM202JNZ?
- Is the ADM202JNZ RoHS compliant?
