ADM1485ARZ

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ADM1485ARZ

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IC TRANSCEIVER HALF 1/1 8SOIC

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Spezifikationen

Attribut Wert
Package Tube
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 70 mV
DataRate 30Mbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The ADM1485ARZ is a high-speed, low-power transceiver designed for RS-485 and RS-422 communication protocols. Manufactured by Analog Devices, this device facilitates differential data transmission over long distances and noisy environments. It is commonly used in industrial and commercial applications for robust data exchange.
Key features of the ADM1485ARZ include a wide operating voltage range from 4.5 V to 5.5 V, and the ability to handle data rates up to 5 Mbps. It is equipped with a fail-safe feature that ensures a default output state when the input is open, shorted, or terminated but not driven. The transceiver offers a high level of electrostatic discharge (ESD) protection, making it resilient to harsh environmental conditions.
The device is designed with a low power shutdown mode, which reduces power consumption significantly. It also has a thermal shutdown feature to prevent overheating. Housed in a small, surface-mount package, the ADM1485ARZ is suitable for space-constrained applications. Its low power consumption and efficient design make it ideal for battery-powered and other energy-sensitive applications.

Equivalent

The ADM1485ARZ is an RS-485/RS-422 transceiver. Equivalent products include:
1. MAX485 from Maxim Integrated
2. SN75176 from Texas Instruments
3. SP485E from MaxLinear
4. LTC1485 from Analog Devices (formerly Linear Technology)
5. DS485 from Dallas Semiconductor
These alternatives offer similar functionalities, such as low power consumption, half-duplex operation, and compatibility with RS-485 communications standards. Always check the specific datasheets to ensure full compatibility with your application.

Features

The ADM1485ARZ is a low-power, differential line transceiver designed for RS-485 and RS-422 communications. Key features include:
1. Differential Signaling: Supports data communication over long distances and in electrically noisy environments due to its differential signaling capability.

2. Data Rate: Capable of operating at high data rates up to 5 Mbps, making it suitable for fast data transmission needs.
3. Low Power Consumption: Designed for low power operation, which is ideal for battery-powered and energy-efficient applications.
4. Receiver and Driver Enable: Features separate driver and receiver enable pins for greater control over communication directions.
5. Thermal Shutdown: Includes a thermal shutdown feature to protect the device from damage due to overheating.
6. Wide Supply Voltage Range: Operates over a wide supply voltage range, enhancing its versatility in different systems.
7. Short-Circuit Protection: Provides protection against short circuits and bus contention scenarios.
8. Industry Standard: Compatible with RS-485 and RS-422 standards, ensuring broad applicability in industrial and commercial applications.
These features make the ADM1485ARZ suitable for robust, high-speed data transmission in industrial and telecommunication environments.

Pinout

The ADM1485ARZ is a low-power RS-485/RS-422 transceiver designed for half-duplex communication. It typically comes in an 8-pin SOIC package. The pin functions are as follows:
1. RO (Receiver Output): Outputs the received data.
2. RE (Receiver Enable): Active low input that enables the receiver.
3. DE (Driver Enable): Active high input that enables the driver.
4. DI (Driver Input): Inputs the data to be transmitted.
5. GND (Ground): Ground reference for the device.
6. A/Y: Non-inverting driver output and receiver input.
7. B/Z: Inverting driver output and receiver input.
8. VCC (Supply Voltage): Power supply input.
The ADM1485ARZ is used for converting TTL logic levels to RS-485/RS-422 levels, enabling robust long-distance data transmission in industrial and communication applications.

Manufacturer

The ADM1485ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company serves various industries, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its expertise in signal processing and has a broad portfolio of products that include data converters, amplifiers, power management circuits, and other semiconductors that facilitate the bridging of physical and digital worlds.

Application

The ADM1485ARZ is a differential line transceiver designed for RS-485/RS-422 communication applications. Key application areas include industrial automation, process control networks, building automation systems, and data acquisition systems. Its robust design allows it to operate in electrically noisy environments, making it suitable for systems requiring reliable long-distance communication and multi-node connectivity. The device's low power consumption and high data rate capabilities make it ideal for use in energy-efficient applications and high-speed data networks. Additionally, it is often used in equipment where balanced data transmission is necessary to reduce electromagnetic interference and improve signal integrity.

Package

The ADM1485ARZ is typically available in an 8-lead SOIC (Small Outline Integrated Circuit) package.

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