Overview
The ADM208EARSZ is a quad RS-232 transceiver produced by Analog Devices Inc. This component is part of the ADM2xxE family, which operates from a single +5 V power supply. It is designed to provide robust RS-232 and V.28 interface capabilities, making it suitable for a wide range of applications that require reliable serial communication.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | -40°C to +85°C |
| Package/Case | 24-SSOP (0.209", 5.30mm Width) |
| Supply Voltage | 4.5 V to 5.5 V |
| Protocol | RS-232 |
| Number of Drivers/Receivers | 4/4 |
| Duplex Mode | Full Duplex |
| Data Rate | Up to 230 kbps |
| Receiver Hysteresis | 650 mV |
| ESD Protection | IEC 1000-4-2: ±8 kV (Contact), ±15 kV (Air-gap) |
| Lead Free/RoHS Status | Lead free / RoHS Compliant |
Key Features
- Complies with 89/336/EEC EMC directive
- ESD protection to IEC 1000-4-2 (801-2) standards
- Internal charge pump voltage converter generates ±10 V supply from a single +5 V input
- Internal 400 kΩ pull-up resistors on each TTL/CMOS input and 5 kΩ pull-down resistors on each RS-232 input
- Transient protection circuit on all I/O lines
- Full duplex operation with four transmitters and four receivers
Applications
The ADM208EARSZ is suitable for various applications requiring reliable RS-232 serial communication. These include industrial automation, medical devices, point-of-sale terminals, and any system that needs to interface with RS-232 compatible devices. It is also used in automotive, telecommunications, and other sectors where robust serial communication is essential.
Q & A
- What is the operating temperature range of the ADM208EARSZ?
The operating temperature range is -40°C to +85°C. - What is the package type of the ADM208EARSZ?
The package type is 24-SSOP (0.209", 5.30mm Width). - What is the supply voltage range for the ADM208EARSZ?
The supply voltage range is 4.5 V to 5.5 V. - How many drivers and receivers does the ADM208EARSZ have?
The ADM208EARSZ has 4 drivers and 4 receivers. - What is the data rate capability of the ADM208EARSZ?
The data rate capability is up to 230 kbps. - Does the ADM208EARSZ have ESD protection?
Yes, it has ESD protection to IEC 1000-4-2 (801-2) standards. - Is the ADM208EARSZ RoHS compliant?
Yes, it is lead free and RoHS compliant. - What is the purpose of the internal charge pump voltage converter?
The internal charge pump voltage converter generates a ±10 V supply from a single +5 V input. - What kind of resistors are internally connected to the TTL/CMOS inputs and RS-232 inputs?
Internal 400 kΩ pull-up resistors on each TTL/CMOS input and 5 kΩ pull-down resistors on each RS-232 input. - What type of protection does the ADM208EARSZ offer on its I/O lines?
The ADM208EARSZ offers transient protection on all I/O lines.
