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LTC490IS8
+BOMRS-422/RS-485 Interface IC LTC490 - Differential Driver and Receiver Pair
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メーカーアナログデバイス
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メーカー品番 #LTC490IS8
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データシート LTC490IS8 DataSheet
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在庫状況21827
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
概要
Description
The LTC490IS8 is a low-power differential line transceiver designed for RS485 and RS422 communication standards. It is manufactured by Analog Devices, Inc. and is ideal for applications requiring high-speed data transmission over long distances. The device operates from a single 5V supply and features a low-power shutdown mode to conserve energy.
Key features of the LTC490IS8 include robust ESD protection, thermal shutdown, and short-circuit protection to enhance reliability and safety. It supports data rates up to 2.5 Mbps and has a wide common-mode range, allowing it to function efficiently in electrically noisy environments.
The transceiver is equipped with a fail-safe receiver, ensuring a stable output when inputs are open or shorted. It comes in an 8-pin SOIC package, making it suitable for compact circuit designs. The LTC490IS8 is often used in industrial automation, building automation, and other applications requiring reliable serial communication.
Key features of the LTC490IS8 include robust ESD protection, thermal shutdown, and short-circuit protection to enhance reliability and safety. It supports data rates up to 2.5 Mbps and has a wide common-mode range, allowing it to function efficiently in electrically noisy environments.
The transceiver is equipped with a fail-safe receiver, ensuring a stable output when inputs are open or shorted. It comes in an 8-pin SOIC package, making it suitable for compact circuit designs. The LTC490IS8 is often used in industrial automation, building automation, and other applications requiring reliable serial communication.
Equivalent
The LTC490IS8 is a low power differential bus/line transceiver designed for extended data transmission. Equivalent products include:
1. MAX485 from Maxim Integrated
2. SN75176A from Texas Instruments
3. ADM485 from Analog Devices
4. DS75176B from National Semiconductor
5. SP485E from Sipex (now part of MaxLinear)
These devices perform similar functions, serving as RS-485/RS-422 transceivers suitable for similar applications involving serial data communication over long distances.
1. MAX485 from Maxim Integrated
2. SN75176A from Texas Instruments
3. ADM485 from Analog Devices
4. DS75176B from National Semiconductor
5. SP485E from Sipex (now part of MaxLinear)
These devices perform similar functions, serving as RS-485/RS-422 transceivers suitable for similar applications involving serial data communication over long distances.
Features
The LTC490IS8 is a low power differential line transceiver designed for data transmission standards like RS-485 and RS-422. Key features include:
1. Low Power Consumption: It operates on a supply voltage ranging from 4.75V to 5.25V with low quiescent current, making it energy-efficient.
2. High Noise Immunity: Offers excellent noise rejection capabilities, which is ideal for reliable communication in noisy environments.
3. Wide Common-Mode Range: Supports a wide common-mode voltage range, enhancing its versatility in various applications.
4. Speed and Distance: Capable of data rates up to 2.5 Mbps, suitable for both short and long-distance communication.
5. Thermal Shutdown: Includes thermal shutdown protection to guard against overheating.
6. ESD Protection: Provides electrostatic discharge protection to ensure the longevity and reliability of the device.
7. Fail-safe Protection: Ensures a known output state when the bus is idle, open, or shorted.
These features make the LTC490IS8 suitable for industrial and commercial applications requiring robust and efficient data transmission.
1. Low Power Consumption: It operates on a supply voltage ranging from 4.75V to 5.25V with low quiescent current, making it energy-efficient.
2. High Noise Immunity: Offers excellent noise rejection capabilities, which is ideal for reliable communication in noisy environments.
3. Wide Common-Mode Range: Supports a wide common-mode voltage range, enhancing its versatility in various applications.
4. Speed and Distance: Capable of data rates up to 2.5 Mbps, suitable for both short and long-distance communication.
5. Thermal Shutdown: Includes thermal shutdown protection to guard against overheating.
6. ESD Protection: Provides electrostatic discharge protection to ensure the longevity and reliability of the device.
7. Fail-safe Protection: Ensures a known output state when the bus is idle, open, or shorted.
These features make the LTC490IS8 suitable for industrial and commercial applications requiring robust and efficient data transmission.
Pinout
The LTC490IS8 is a low power differential line transceiver by Analog Devices, designed for RS-485 and RS-422 communication systems. It comes in an 8-pin package. Here is a concise overview of its pin configuration and function:
1. Pin 1 (RO): Receiver Output. This pin provides the data output from the receiver.
2. Pin 2 (RE̅): Receiver Output Enable. This active-low input controls the receiver output. Enabling the receiver when low.
3. Pin 3 (DE): Driver Enable. This pin enables the driver when high.
4. Pin 4 (DI): Driver Input. Data input for the driver.
5. Pin 5 (GND): Ground. Ground reference for the device.
6. Pin 6 (A): Non-inverting Driver Output / Receiver Input.
7. Pin 7 (B): Inverting Driver Output / Receiver Input.
8. Pin 8 (VCC): Power Supply. Provides the voltage supply for the device.
The LTC490IS8 is optimized for low power consumption and is capable of operation over a wide supply voltage range, making it suitable for extended battery-powered applications.
1. Pin 1 (RO): Receiver Output. This pin provides the data output from the receiver.
2. Pin 2 (RE̅): Receiver Output Enable. This active-low input controls the receiver output. Enabling the receiver when low.
3. Pin 3 (DE): Driver Enable. This pin enables the driver when high.
4. Pin 4 (DI): Driver Input. Data input for the driver.
5. Pin 5 (GND): Ground. Ground reference for the device.
6. Pin 6 (A): Non-inverting Driver Output / Receiver Input.
7. Pin 7 (B): Inverting Driver Output / Receiver Input.
8. Pin 8 (VCC): Power Supply. Provides the voltage supply for the device.
The LTC490IS8 is optimized for low power consumption and is capable of operation over a wide supply voltage range, making it suitable for extended battery-powered applications.
Manufacturer
The LTC490IS8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs, manufactures, and markets a broad portfolio of integrated circuits used in analog and digital signal processing applications. The company serves a wide range of industries, including communications, automotive, industrial, instrumentation, and consumer electronics. They are known for their high-performance analog and mixed-signal products, including data converters, amplifiers, RF ICs, and power management products.
Application
The LTC490IS8 is a differential line transceiver designed for data communication over long distances and in noisy environments. It is commonly used in industrial automation, process control, and building automation systems. Its applications include RS-485 and RS-422 communication networks, where it provides robust performance in transmitting and receiving data over twisted-pair cables. The device is suitable for use in harsh environments due to its wide operating temperature range and high noise immunity. It is also used in networked security systems, traffic control, and utility metering systems, where reliable data transmission is critical.
Package
The LTC490IS8 is an integrated circuit (IC) transceiver designed for RS-485 and RS-422 communications. It is packaged in an 8-lead Small Outline Integrated Circuit (SOIC) package, which is compact and suitable for surface mounting on printed circuit boards (PCBs).
