Overview
The ADM208E, produced by Analog Devices Inc., is a high-performance RS-232 line driver/receiver integrated circuit designed for use in harsh environments. It is part of the ADM2xx family and is backward compatible with earlier models, making it an ideal choice for upgrading existing designs. The ADM208E features enhanced ESD protection, a charge pump voltage converter, and robust transient protection on all I/O lines.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 5 | V |
| Number of Drivers | 4 | - |
| Number of Receivers | 4 | - |
| ESD Protection (I/O Pins) | ±15 kV | - |
| Shutdown Enable | No | - |
| Packages Available | PDIP, SSOP, TSSOP, SOIC_W | - |
| Operating Temperature Range | −40°C to +85°C | °C |
| Maximum Data Rate | 230 kbps | kbps |
| Receiver Propagation Delay | 0.4 to 2 μs | μs |
| Transmitter Output Voltage Swing | ±5.0 to ±9.0 V | V |
| Output Resistance | 300 Ω | Ω |
Key Features
- High ESD Protection: The ADM208E offers ±15 kV ESD protection on I/O pins, ensuring robustness against electrostatic discharge.
- Charge Pump Voltage Converter: Generates a ±10 V supply from a single 5 V input using a switched capacitor technique.
- Transient Protection: Includes transient protection circuitry on all I/O lines to safeguard against voltage spikes and other transient events.
- Backward Compatibility: Compatible with earlier ADM2xx products, facilitating easy upgrades of older designs.
- Multiple Package Options: Available in PDIP, SSOP, TSSOP, and SOIC_W packages to suit various design requirements.
Applications
- Industrial Automation: Suitable for use in industrial control systems and automation equipment due to its robust ESD protection and transient immunity.
- Medical Devices: Can be used in medical equipment where reliable and robust communication interfaces are critical.
- Automotive Systems: Applicable in automotive systems that require high reliability and ESD protection.
- Point-of-Sale Terminals and Kiosks: Ideal for use in POS terminals and kiosks where reliable serial communication is essential.
Q & A
- What is the supply voltage for the ADM208E?
The supply voltage for the ADM208E is 5 V.
- How many drivers and receivers does the ADM208E have?
The ADM208E has 4 drivers and 4 receivers.
- What is the ESD protection level for the ADM208E?
The ADM208E offers ±15 kV ESD protection on I/O pins.
- Does the ADM208E support shutdown and enable functions?
No, the ADM208E does not have shutdown and enable functions.
- What are the available package options for the ADM208E?
The ADM208E is available in PDIP, SSOP, TSSOP, and SOIC_W packages.
- What is the maximum data rate supported by the ADM208E?
The maximum data rate supported by the ADM208E is 230 kbps.
- What is the operating temperature range for the ADM208E?
The operating temperature range for the ADM208E is −40°C to +85°C.
- How does the charge pump voltage converter work in the ADM208E?
The charge pump voltage converter generates a ±10 V supply from a single 5 V input using a switched capacitor technique.
- Is the ADM208E backward compatible with earlier ADM2xx products?
- What types of applications is the ADM208E suitable for?
The ADM208E is suitable for industrial automation, medical devices, automotive systems, and point-of-sale terminals and kiosks.
