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ADM485EARZ

Name: ADM485EARZ
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8SOIC

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製造商。部分 #ADM485EARZ
包 SOIC-8
資料表 ADM485EARZ DataSheet
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規格

Package	Bulk,Tube
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Half
ReceiverHysteresis	70 mV
DataRate	2.5Mbps
Voltage-Supply	4.75V ~ 5.25V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

The ADM485EARZ is a high-speed, low-power RS-485/RS-422 transceiver designed by Analog Devices. It facilitates differential signaling, which enhances data transmission reliability over long distances and in electrically noisy environments. The device supports data rates up to 2.5 Mbps and operates over a wide voltage range, making it suitable for various industrial and automotive applications.
Key features include a low supply current, high ESD protection, and the ability to operate in half-duplex or full-duplex configurations. The ADM485EARZ is equipped with fail-safe features that ensure a known state when the inputs are floating. Its compact package and robust performance make it ideal for applications such as industrial automation, motor control, and data acquisition systems.
Overall, the ADM485EARZ is a versatile choice for designers looking to implement reliable serial data communication in their projects.

Features

The ADM485EARZ is a low-power, half-duplex RS-485/RS-422 transceiver designed for reliable data communication over long distances. Key features include:
- Data Rate: Supports data rates up to 2.5 Mbps.
- Operating Voltage: Wide supply voltage range from 3.0V to 5.25V.
- Low Power Consumption: Typically consumes 120 mA during operation and features a low-power shutdown mode that reduces current to less than 1 μA.
- Temperature Range: Operates over a wide temperature range from -40°C to +85°C.
- Output Drive Capability: Suitable for driving up to 32 nodes on the bus.
- Differential Signaling: Reduces electromagnetic interference and enhances noise immunity.
- Enhanced Protection: Built-in protection against ESD events ensures reliability in harsh environments.
- Small Package: Available in an 8-lead SOIC package for space-saving applications.
These features make the ADM485EARZ suitable for industrial automation, data acquisition systems, and other applications requiring robust communication.

Package

The ADM485EARZ is packaged in a SOIC-8 (Small Outline Integrated Circuit) package. This surface-mount package is designed for easy integration into circuit boards, providing efficient use of space.

Pinout

The ADM485EARZ is a low-power, half-duplex RS-485/RS-422 transceiver. It comes in a standard 8-pin SOIC (Surface Mount) package. The pinout and functions are as follows:
1. RO (Receive Output): Outputs the received signal from the bus.
2. RE (Receive Enable): Active low input that enables the receiver.
3. DE (Driver Enable): Active high input that enables the driver.
4. DI (Driver Input): Input for the data to be transmitted.
5. A (Non-inverting Output): Differential output for the positive signal.
6. B (Inverting Output): Differential output for the negative signal.
7. GND: Ground reference for the device.
8. VCC: Power supply pin, typically connected to +5V.
The device operates with low power consumption and is suitable for long-distance data transmission in noisy environments.

Manufacturer

The ADM485EARZ is manufactured by Analog Devices, Inc., a prominent American company that specializes in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a wide range of industries, including communications, automotive, industrial automation, healthcare, and consumer electronics. The company is known for its innovative solutions in signal processing and data conversion, providing critical components for various electronic applications.

Application

The ADM485EARZ is a low-power, half-duplex RS-485/RS-422 transceiver used in various applications, including industrial automation, data acquisition systems, telecommunications, and remote sensor networks. It facilitates reliable long-distance communication in noisy environments, making it suitable for building automation, process control, and any application requiring robust data transmission over twisted-pair cables.

Equivalent

The ADM485EARZ is a RS-485/RS-422 transceiver. Equivalent products include:
1. SN75176B (Texas Instruments)
2. MAX1487 (Maxim Integrated)
3. LT1785 (Analog Devices)
4. SP485 (Sipex)
5. ISL8480 (Intersil)
Check datasheets for specific features and pin configurations, as they may vary.