Overview
The ADM202JRN-REEL, 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 optimized for reliable bidirectional communication in various applications. It integrates a highly efficient on-chip charge pump design, allowing RS-232 levels to be developed using small 0.1 µF charge pump capacitors. The ADM202JRN-REEL meets or exceeds the TIA/EIA-232-E and V.28 specifications, ensuring compliance with industry standards.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 5 V ± 10% |
| Transmission Rate | Up to 120 kB/s |
| Charge Pump Capacitors | 0.1 µF |
| RS-232 Output Levels | ±10 V |
| Receiver Input Levels | ±30 V |
| Operating Temperature Range | 0°C to 70°C |
| Package Types | 16-lead PDIP, 16-lead SOIC (narrow and wide) |
| ESD Protection | Greater than 2 kV |
Key Features
- Full-duplex transceiver with 2 drivers and 2 receivers
- Operates from a single 5 V power supply
- High receiver hysteresis of 400 mV for improved noise rejection
- Capable of withstanding ±15 kV ESD on transmitter outputs and receiver inputs
- Internal voltage doubler and voltage inverter generate ±10 V from the 5 V input
- Fast driver slew rates and high drive currents for extended cable lengths
- Epitaxial BiCMOS construction minimizes power consumption to 10 mW
Applications
- Telecommunications
- Industrial control systems
- Point of sale (POS) terminals
- Data acquisition systems
- Computers and peripherals
- Modems and printers
- Instruments and other RS-232 compatible devices
Q & A
- What is the supply voltage for the ADM202JRN-REEL?
The supply voltage is 5 V ± 10%. - What is the maximum transmission rate of the ADM202JRN-REEL?
The maximum transmission rate is up to 120 kB/s. - What are the RS-232 output levels generated by the ADM202JRN-REEL?
The RS-232 output levels are ±10 V. - What is the operating temperature range of the ADM202JRN-REEL?
The operating temperature range is from 0°C to 70°C. - Does the ADM202JRN-REEL have ESD protection?
Yes, it has ESD protection greater than 2 kV. - What types of packages are available for the ADM202JRN-REEL?
The device is available in 16-lead PDIP and 16-lead SOIC (narrow and wide) packages. - What are the key applications of the ADM202JRN-REEL?
The key applications include telecommunications, industrial control systems, POS terminals, data acquisition systems, and more. - Does the ADM202JRN-REEL meet industry standards for RS-232 communication?
Yes, it meets or exceeds the TIA/EIA-232-E and V.28 specifications. - What is the purpose of the internal voltage doubler and voltage inverter in the ADM202JRN-REEL?
The internal voltage doubler and voltage inverter generate ±10 V from the 5 V input. - How does the ADM202JRN-REEL handle noise rejection?
The device features high receiver hysteresis of 400 mV for improved noise rejection.
