Overview
The ADM202EAN is a dual-channel RS-232 line driver/receiver produced by Analog Devices Inc. This component is designed to operate from a single 5 V power supply and is compliant with the TIA/EIA-232-E and V.28 specifications. It features an integrated charge pump that generates the necessary ±10 V RS-232 levels from the 5 V supply, making it suitable for a wide range of applications requiring reliable serial communication.
Key Specifications
| Parameter | Value |
|---|---|
| Protocol | RS-232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 650 mV |
| Data Rate | Up to 230 kbps |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| ESD Protection | ±15 kV |
Key Features
- Operates from a single 5 V power supply
- Meets TIA/EIA-232-E and V.28 specifications
- Integrated charge pump generates ±10 V RS-232 levels
- Small (0.1 µF) charge pump capacitors required
- High slew rates for data transmission up to 230 kbps
- Low power BiCMOS technology for minimal power consumption (10 mW)
- ESD protection to levels greater than 2 kV
- Overvoltage protection allows receiver inputs to withstand continuous voltages in excess of ±30 V
Applications
- General-purpose RS-232 data links
- Portable instruments
- PDAs and other handheld devices
- ISDN modem standards requiring high-speed data rates
- Harsh electrical environments due to its robust EMI/EMC compliance
Q & A
- What is the operating voltage range of the ADM202EAN?
The ADM202EAN operates from a voltage supply of 4.5 V to 5.5 V. - What is the maximum data rate supported by the ADM202EAN?
The ADM202EAN supports data rates up to 230 kbps. - What type of package is the ADM202EAN available in?
The ADM202EAN is available in a 16-lead PDIP package. - Does the ADM202EAN have ESD protection?
Yes, the ADM202EAN has ESD protection to levels greater than ±15 kV. - What are the operating temperature ranges for the ADM202EAN?
The operating temperature range is -40°C to 85°C. - How many drivers and receivers does the ADM202EAN have?
The ADM202EAN has 2 drivers and 2 receivers. - Is the ADM202EAN compliant with any specific standards?
Yes, it is compliant with TIA/EIA-232-E and V.28 specifications. - What is the power consumption of the ADM202EAN?
The power consumption is approximately 10 mW. - Does the ADM202EAN require external voltage regulators?
No, it integrates an on-chip charge pump to generate the necessary RS-232 voltage levels from a single 5 V supply. - What kind of transient protection does the ADM202EAN have?
The ADM202EAN has transient protection including ESD protection and fast transient/burst protection (IEC1000-4-4).
