LTC2850IMS8#PBF

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LTC2850IMS8#PBF

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IC TRANSCEIVER HALF 1/1 8MSOP

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仕様

属性
Part Status Active
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Half
Receiver Hysteresis 25 mV
Data Rate 20Mbps
Voltage - Supply 3V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP
Base Product Number LTC2850

概要

Description

The LTC2850IMS8#PBF is a robust, half-duplex RS485/RS422 transceiver designed by Analog Devices. It operates from a single 3.3V power supply, suitable for high-speed data transmission up to 20Mbps over long cable lengths. This transceiver features a low power consumption design, with a supply current typically around 300μA when in active mode, and 1μA in shutdown mode, making it ideal for power-sensitive applications.
The device provides enhanced electrostatic discharge (ESD) protection on all pins, ensuring reliability in harsh environments. It supports a wide common mode range from -7V to 12V, allowing for reliable communication in noisy environments. The LTC2850IMS8#PBF is housed in an 8-lead MSOP package, making it compact for space-constrained applications.
The transceiver is well-suited for industrial, telecommunications, and consumer electronics applications that require robust communication over a twisted-pair cable. Its features include short-circuit protection, thermal shutdown, and fail-safe receiver inputs to prevent malfunctions in open or idle lines.

Equivalent

The LTC2850IMS8#PBF is a RS-485/RS-422 transceiver. Equivalent products include:
1. MAX485ESA+ from Maxim Integrated
2. SN75176BP from Texas Instruments
3. ADM485ARZ from Analog Devices
4. ISL3178EIBZ from Renesas Electronics
5. SP485EEN-L from MaxLinear
These alternatives offer similar functionalities for RS-485/RS-422 communication but may differ in specific features like voltage range, package type, or data rate. Always verify compatibility with your application requirements.

Features

The LTC2850IMS8#PBF is a robust RS485/RS422 transceiver designed for high-speed communication applications. Key features include:
1. Data Rate: Supports data rates up to 20 Mbps, making it suitable for high-speed data transfer.
2. Supply Voltage: Operates with a single 3.3V supply.
3. ESD Protection: Offers enhanced ESD protection withstanding ±15 kV (Human Body Model) on the RS485 pins.
4. Low Power Consumption: Features a low-power shutdown mode, reducing power usage to 1 µA.
5. Failsafe: Integrated failsafe circuitry ensures reliable operation by guaranteeing a known output state when the bus is idle or shorted.
6. Extended Temperature Range: Functions effectively within an industrial temperature range of -40°C to 85°C.
7. Robust Operation: Provides thermal shutdown protection and is suitable for half-duplex communication.
8. Compact Package: Available in an 8-lead MSOP package, which is compact and easy to implement in various designs.
These features make the LTC2850IMS8#PBF ideal for industrial and instrumentation applications requiring reliable and fast serial communication.

Pinout

The LTC2850IMS8#PBF is an integrated circuit used for RS485/RS422 communication. It features a pin count of 8. This IC is a half-duplex, low power, low EMI transceiver. The main functions of its pins are as follows:
1. Pin 1 (RO): Receiver Output, provides the digital output in response to the differential input.
2. Pin 2 (RE): Receiver Output Enable, active low, enables the receiver output.
3. Pin 3 (DE): Driver Output Enable, controls the driver outputs.
4. Pin 4 (DI): Driver Input, provides the data input for the driver.
5. Pin 5 (GND): Ground, common reference point for the circuit.
6. Pin 6 (A/Y): Driver Output/Receiver Input, connects to the transmission line.
7. Pin 7 (B/Z): Driver Output/Receiver Input, connects to the transmission line.
8. Pin 8 (VCC): Supply Voltage, powers the IC.
The LTC2850IMS8#PBF supports data rates up to 20 Mbps and operates over a supply voltage range of 3V to 5.5V.

Manufacturer

The LTC2850IMS8#PBF 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 a wide range of electronic equipment. The company serves industries such as industrial automation, automotive, communications, consumer electronics, healthcare, and more. They are known for their high-performance products that are used in applications requiring precision and reliability.

Application

The LTC2850IMS8#PBF is a robust RS-485/RS-422 transceiver designed for high-performance communication in industrial and commercial applications. Key application areas include:
1. Industrial Automation: Used in factory floor automation systems for reliable data transmission.
2. Building Automation: Facilitates communication in HVAC systems and smart building infrastructure.
3. Telecommunications: Provides stable data links in telecom equipment.
4. Security Systems: Ensures secure data transfer in surveillance and access control systems.
5. Energy Management: Used in smart grid and energy distribution networks for efficient communication.
6. Instrumentation: Reliable communication for data acquisition systems and instrumentation.
These applications benefit from its low power consumption, high noise immunity, and wide operating temperature range.

Package

The LTC2850IMS8#PBF is a part number for a line transceiver. It comes in an MSOP-8 package, which is a small-outline integrated circuit with 8 pins. The "#PBF" suffix indicates that the component is lead-free and RoHS compliant.

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