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LTC1485IS8#TRPBF

Name: LTC1485IS8#TRPBF
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8SO

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規格

Part Status	Active
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Half
Receiver Hysteresis	60 mV
Voltage - Supply	4.75V ~ 5.25V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SO
Base Product Number	LTC1485

概述

Description

The LTC1485IS8#TRPBF is a high-speed RS-485/RS-422 transceiver designed by Analog Devices (formerly Linear Technology). It facilitates reliable differential communication over long distances and supports data rates up to 2.5 Mbps. This device features a low power consumption of 120 µA in low-power mode and operates over a wide supply voltage range of 3V to 5.5V.
The LTC1485 is designed for multipoint communications, allowing multiple devices to be connected on a single bus, making it suitable for applications like industrial automation, data acquisition systems, and networking. It offers robust ESD protection and is compatible with various communication standards.
The IC comes in an 8-lead SOIC package, making it suitable for compact designs. Its integrated features include a fail-safe mechanism that ensures a high level of reliability in data transmission. Overall, the LTC1485IS8#TRPBF is optimal for applications requiring high-speed, robust, and low-power differential signaling.

Features

The LTC1485IS8#TRPBF is a differential line transceiver designed for RS-485 and RS-422 applications. Key features include:
1. High Speed: Supports data rates up to 2.5 Mbps.
2. Low Power: Consumes low power, with a supply current of just 120 µA (typical).
3. Wide Supply Voltage Range: Operates from a 4.75V to 5.25V supply voltage.
4. Enhanced ESD Protection: Provides robust ESD protection up to ±15 kV (contact) and ±30 kV (air).
5. Full Duplex Operation: Supports two-way communication with separate transmit and receive lines.
6. Differential Signaling: Ensures noise immunity and allows for long-distance data transmission.
7. Thermal Shutdown: Includes thermal protection features for increased reliability.
8. Small Package: Available in an 8-lead MSOP package, allowing for compact designs.
This combination of features makes the LTC1485 ideal for industrial and commercial applications requiring reliable serial communication over long distances.

Package

The LTC1485IS8#TRPBF is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) with a width of 3.9 mm. This surface-mount package is designed for compact designs and enhanced thermal performance.

Pinout

The LTC1485IS8#TRPBF is an RS-485/RS-422 transceiver with a pin count of 8. It is designed for high-speed data transmission over long distances in differential signaling applications. The key functions of the pins are as follows:
1. A (Pin 1): Non-inverting differential input/output.
2. B (Pin 2): Inverting differential input/output.
3. Y (Pin 3): Receiver output (active low).
4. Z (Pin 4): Receive enable.
5. V+ (Pin 5): Positive power supply.
6. GND (Pin 6): Ground.
7. DE (Pin 7): Driver enable (active high).
8. RO (Pin 8): Receiver output.
This device supports data rates up to 10 Mbps and is commonly used in multi-drop communication systems. The LTC1485 provides excellent noise immunity and is suitable for industrial applications.

Manufacturer

The manufacturer of the LTC1485IS8#TRPBF is Analog Devices, Inc. (ADI). Analog Devices is a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company serves various markets, including communications, automotive, industrial, and consumer electronics. ADI is known for its innovative solutions in data conversion, signal amplification, and processing, providing essential components for a wide range of electronic applications. The LTC1485IS8#TRPBF is a specific model of a differential line transceiver designed for digital communication, particularly in applications utilizing RS-485 or RS-422 standards.

Application

The LTC1485IS8#TRPBF is a high-speed RS-485 differential transceiver used in various applications including industrial automation, data communication networks, and remote sensor systems. Its robust design supports long-distance communication in noisy environments, making it suitable for automation controls, building management systems, and telemetry. Additionally, it is used in point-to-point and multi-drop communication setups in commercial and automotive applications.

Equivalent

Equivalent products to the LTC1485IS8#TRPBF chip include the SN75176, MAX3485, and MC1485. These chips serve similar functions for differential signaling and RS-485 communication, offering comparable performance in data transmission applications. Always verify specifications and compatibility for your specific needs.