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LT1785AIS8
+BOMRS-422/RS-485 Interface IC LT1785 - 60V Fault Protected RS485/RS422 Transceivers
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メーカー品番 #LT1785AIS8
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データシート LT1785AIS8 DataSheet
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在庫状況9018
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
Key features include:
- Enhanced ESD protection, which provides increased reliability against electrical surges.
- A wide common mode range (up to ±7V), allowing for flexible system design.
- Low supply current for efficient power use.
- The ability to drive long transmission lines, which is crucial for industrial and commercial applications.
- Fail-safe receiver inputs to ensure known output states when inputs are open, shorted, or terminated but undriven.
The LT1785AIS8 is typically used in industrial networks, building automation systems, and any application requiring robust, reliable data communication over long wire runs.
Equivalent
1. MAX485 by Maxim Integrated
2. SN75176A by Texas Instruments
3. ADM485 by Analog Devices
4. SP485 by Sipex/Exar
5. AM26C31 by Texas Instruments (for differential line drivers)
These alternatives offer similar functionality for RS-485/RS-422 communication but may vary in specifications like power supply range, data rate, and package type. Always verify compatibility with your application's specific requirements.
Features
1. Wide Supply Voltage Range: Operates from a single 5V supply.
2. High Data Rates: Supports data rates up to 250 kbps.
3. ESD Protection: Provides enhanced electrostatic discharge protection.
4. Low Power Consumption: Features low quiescent current draw.
5. Failsafe Operation: Ensures a known output state when the bus is idle, open, or shorted.
6. Extended Temperature Range: Suitable for industrial applications with a wide operating temperature range.
7. Full-Duplex and Half-Duplex Modes: Supports both modes for flexibility in communication.
8. Driver and Receiver Enable Pins: Allows for control over data flow and power-saving options.
9. Robust Performance: Designed to handle harsh electrical environments.
10. Small Package: Available in an 8-lead SOIC package for space-constrained applications.
These features make the LT1785AIS8 suitable for industrial, automotive, and other applications requiring reliable, high-speed data communication in challenging environments.
Pinout
1. Pin 1 (RO): Receiver Output - Provides the output of the receiver.
2. Pin 2 (RE): Receiver Enable - Active low input to enable the receiver, typically connected to ground to enable.
3. Pin 3 (DE): Driver Enable - Active high input to enable the driver.
4. Pin 4 (DI): Driver Input - Accepts the data input for the driver.
5. Pin 5 (GND): Ground - Common ground reference for the device.
6. Pin 6 (A/Y): Non-inverting Driver Output/Receiver Input - Used for differential signal.
7. Pin 7 (B/Z): Inverting Driver Output/Receiver Input - Used for differential signal.
8. Pin 8 (VCC): Supply Voltage - Powers the device, usually at 5V.
The LT1785AIS8 is used for data transmission over long distances and in noisy environments, offering features like low power and high-speed operation, which are essential for robust communication in industrial applications.
Manufacturer
In 2017, Analog Devices, Inc. acquired Linear Technology. Analog Devices is a multinational company that specializes in the design and manufacturing of a wide range of semiconductor products, including analog, mixed-signal, and digital signal processing (DSP) integrated circuits. They serve various industries, including communications, automotive, industrial, healthcare, and consumer electronics. Analog Devices is known for their innovation and focus on high-performance solutions in the electronics sector.