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ADM3251E

Name: ADM3251E
Rating: 4.7 (12 reviews)

Производитель
Мфр. Часть #ADM3251E
Пакет
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Спецификации

Mounting Style	SMD/SMT
Number of Channels	1 Channel
Polarity	Bidirectional
Isolation Voltage	2500 Vrms
Isolation Type	Magnetic Coupling
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Packaging	Tube
Brand	Analog Devices
Product Type	Digital Isolators
Factory Pack Quantity:Factory Pack Quantity	37
Subcategory	Interface ICs

Обзор

Description

ADM3251E is a high-speed, isolated RS-232 transceiver designed for reliable communication in industrial environments. It features integrated isolation to protect against voltage spikes and noise, making it suitable for applications where signal integrity is crucial. The device supports data rates up to 1 Mbps and operates across a wide temperature range, ensuring performance in diverse conditions.
The ADM3251E offers a robust design with low power consumption, ideal for battery-operated devices. It typically includes features like thermal shutdown and under-voltage lockout for enhanced reliability. Its compact package size facilitates easy integration into various systems, including industrial automation, medical devices, and remote sensor applications.
Overall, the ADM3251E is a versatile solution for implementing isolated RS-232 communication, combining safety, efficiency, and high performance in one package.

Features

The ADM3251E is a high-performance, isolated RS-232 transceiver designed for reliable communication in industrial and medical applications. Key features include:
1. Isolation: It provides up to 2.5 kV of galvanic isolation, enhancing protection against voltage spikes and ground loops.
2. Data Rate: Supports data rates up to 250 kbps, suitable for many standard applications.
3. Low Power Consumption: Draws minimal current, making it energy-efficient for battery-operated devices.
4. Single Supply Operation: Operates from a single 3.3V to 5V power supply, simplifying circuit design.
5. Wide Temperature Range: Designed to function effectively across -40°C to +125°C, ensuring reliability in harsh environments.
6. Integrated Protection: Features internal protection against overvoltage, ESD, and faults, enhancing durability.
7. Compatibility: Fully compliant with RS-232 standards, making it easy to integrate into existing systems.
Overall, the ADM3251E is ideal for applications requiring robust, isolated RS-232 communication.

Package

The ADM3251E is available in a 16-lead TSSOP (Thin Shrink Small Outline Package) and a 16-lead SOIC (Small Outline Integrated Circuit) package type.

Pinout

The ADM3251E is a robust, low-power, isolated RS-232 transceiver featuring a total of 16 pins. It is designed to facilitate communication in applications requiring isolation, such as industrial control systems and data acquisition.
Pin Count and Functions:
1. GND (Pin 1): Ground connection.
2. VCC (Pin 2): Power supply input.
3. VISO (Pin 3): Isolated power output.
4. IN (Pin 4): RS-232 input from the non-isolated side.
5. OUT (Pin 5): RS-232 output to the non-isolated side.
6. TX (Pin 6): Transmit data from the isolated side.
7. RX (Pin 7): Receive data to the isolated side.
8. C1, C2 (Pins 8, 9): Capacitor connections for isolation.
9. NC (Pins 10, 11): No connect.
10. ENABLE (Pin 12): Enable control for the device.
11. C3, C4 (Pins 13, 14): Additional capacitor connections.
15. R1, R2 (Pins 15, 16): Resistor connections for stability.
The ADM3251E provides data transmission with isolation, enhancing system reliability and safety.

Manufacturer

The ADM3251E is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is known for its innovation in various sectors, including industrial automation, automotive, communication, and consumer electronics. Analog Devices designs and produces a wide range of components used in data conversion, signal processing, and power management applications. The ADM3251E itself is a robust, high-speed, isolated RS-232 transceiver, primarily used in communication applications that require electrical isolation.

Application

The ADM3251E is a robust RS-232 transceiver designed for industrial and telecommunications applications. Its key areas include point-to-point communication in devices like modems and data loggers, industrial automation systems, and embedded systems requiring serial communication. It is also suitable for use in automotive applications and remote control systems, where reliable, long-distance data transmission is essential.

Equivalent

The ADM3251E is a RS-232 transceiver with integrated level shifters. Equivalent products include the MAX3232, ST3232, and TC232, which provide similar functionality for serial communication with RS-232 standards. These alternatives may differ in specifications like voltage range, data rates, and package types, so it's essential to verify compatibility for specific applications.

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