Overview
The ADM207EARS is a high-performance RS-232 transceiver integrated circuit produced by Analog Devices Inc. This device is part of the ADM2xxE family and is designed to provide reliable and efficient serial communication. It features a combination of five drivers and three receivers, making it suitable for a variety of applications requiring full-duplex communication. The ADM207EARS is backward compatible with earlier ADM2xx products, facilitating easy upgrades of older designs.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V |
| Number of Drivers/Receivers | 5/3 |
| Package/Case | 24-SSOP (0.209", 5.30mm Width) |
| Operating Temperature | -40°C to 85°C |
| Data Rate | 230 kbps |
| Receiver Hysteresis | 650 mV |
| Output Characteristics | TOTEM-POLE |
| Input Characteristics | SCHMITT TRIGGER |
| ESD Protection | ±15 kV (Contact and Air-Gap Discharge) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (TR) |
Key Features
- Compliance with 89/336/EEC EMC directive
- ESD protection to IEC 1000-4-2 (±15 kV contact and air-gap discharge)
- Five drivers and three receivers for full-duplex communication
- CMOS technology for low power consumption (nominal supply current of 13 mA)
- Internal charge pump voltage converter generating ±10 V supply from a 5 V input
- Transient protection circuit on all I/O lines
- Schmitt trigger inputs for improved noise immunity
- Backward compatibility with earlier ADM2xx products
Applications
The ADM207EARS is suitable for various applications requiring reliable RS-232 serial communication. These include:
- Battery-powered equipment due to its low power shutdown mode
- Industrial automation and control systems
- Automotive interfaces and systems
- Point-of-sale terminals and other commercial equipment
- Remote data acquisition and monitoring systems
Q & A
- What is the supply voltage range of the ADM207EARS?
The supply voltage range is 4.5 V to 5.5 V. - How many drivers and receivers does the ADM207EARS have?
The ADM207EARS has five drivers and three receivers. - What is the operating temperature range of the ADM207EARS?
The operating temperature range is -40°C to 85°C. - What is the data rate of the ADM207EARS?
The data rate is up to 230 kbps. - Does the ADM207EARS have ESD protection?
Yes, it has ESD protection up to ±15 kV (contact and air-gap discharge). - What type of output characteristics does the ADM207EARS have?
The output characteristics are TOTEM-POLE. - What is the packaging type of the ADM207EARS?
The packaging type is Tape & Reel (TR) in a 24-SSOP package. - Is the ADM207EARS backward compatible with earlier ADM2xx products?
Yes, it is backward compatible. - What is the nominal supply current of the ADM207EARS?
The nominal supply current is 13 mA. - What type of input characteristics does the ADM207EARS have?
The input characteristics are SCHMITT TRIGGER.
