Overview
The ADM207EAR is a robust RS-232 line driver/receiver from Analog Devices Inc., designed to operate from a single 5 V power supply. This device is part of the ADM2xxE family, known for its compliance with EMI/EMC directives and enhanced ESD protection. The ADM207EAR is particularly suited for applications requiring reliable serial communication with high levels of electrical noise immunity and protection against electrostatic discharge.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Part Number | ADM207EAR | |
| Manufacturer | Analog Devices Inc. | |
| Supply Voltage | 4.5 V to 5.5 V | |
| Number of Drivers/Receivers | 5 Drivers / 3 Receivers | |
| ESD Protection | ±15 kV (Air-gap discharge), ±8 kV (Contact discharge) | Compliant with IEC 1000-4-2 (801-2) |
| Operating Temperature | -40°C to +85°C | |
| Package Type | 24-SOIC (0.295", 7.50mm Width) | Surface Mount |
| Data Rate | Up to 230 kbps | |
| Receiver Propagation Delay | 0.4 μs to 2 μs | CL = 150 pF |
| Output Voltage Swing | ±5.0 V to ±9.0 V | All transmitter outputs loaded with 3 kΩ to ground |
Key Features
- EMI/EMC compliant, adhering to the 89/336/EEC EMC directive.
- High-level ESD protection: ±15 kV air-gap discharge and ±8 kV contact discharge, compliant with IEC 1000-4-2 (801-2).
- Operates from a single 5 V power supply.
- Charge pump voltage converter generates ±10 V supply from the 5 V input.
- Internal transient protection circuit on all I/O lines.
- Backward compatible with earlier ADM2xx products, facilitating easy upgrading of older designs.
- Available in various packages including 24-SOIC, PDIP, SSOP, TSSOP, and SOIC_W.
Applications
- Industrial automation and control systems.
- Point-of-sale terminals and other commercial equipment.
- Medical devices requiring reliable serial communication.
- Automotive systems where robust serial communication is necessary.
- Any application requiring RS-232 communication with high ESD protection and EMI/EMC compliance.
Q & A
- What is the primary function of the ADM207EAR?
The ADM207EAR is an RS-232 line driver/receiver designed for serial communication applications.
- What is the operating voltage range of the ADM207EAR?
The device operates from a single 5 V power supply, with a voltage range of 4.5 V to 5.5 V.
- What level of ESD protection does the ADM207EAR offer?
The ADM207EAR provides ESD protection up to ±15 kV air-gap discharge and ±8 kV contact discharge, compliant with IEC 1000-4-2 (801-2).
- What is the maximum data rate supported by the ADM207EAR?
The device supports data rates up to 230 kbps.
- What types of packages are available for the ADM207EAR?
The ADM207EAR is available in various packages including 24-SOIC, PDIP, SSOP, TSSOP, and SOIC_W.
- Is the ADM207EAR backward compatible with earlier ADM2xx products?
- What is the operating temperature range of the ADM207EAR?
The device operates over a temperature range of -40°C to +85°C.
- Does the ADM207EAR have any internal transient protection?
- What is the purpose of the charge pump voltage converter in the ADM207EAR?
The charge pump voltage converter generates a ±10 V supply from the 5 V input, necessary for RS-232 operation.
- Is the ADM207EAR suitable for use in automotive systems?
