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LTC1485IS8#TRPBF
+Lista de MateriaisIC TRANSCEIVER HALF 1/1 8SO
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FabricanteAnalog Devices Inc.
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Especificações
| Atributo | Valor |
| 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 |
Visão Geral
Description
Key features include:
- Low Power Consumption: Designed to operate efficiently, reducing power draw in idle and active states.
- Wide Supply Voltage Range: Operates on a voltage range typically suitable for industrial environments.
- High Differential Input Resistance: Provides compatibility with long cable runs and high node count networks.
- Thermal Shutdown: Protects the device from overheating by disabling the output stage during excessive temperature conditions.
- Fail-Safe Operation: Ensures a known output state when inputs are open or shorted.
The device is ideally suited for applications requiring robust communication over long distances or in electrically noisy environments. The "#TRPBF" suffix indicates that this version is tape-and-reel packaged and is RoHS compliant (lead-free).
Equivalent
1. MAX485ESA+ by Maxim Integrated
2. SN75176BP by Texas Instruments
3. ADM485ARZ by Analog Devices
4. SP485EEN by Exar
5. ISL8485IBZ by Intersil
These are also low-power RS-485/RS-422 transceivers designed for similar applications. Always verify specifications to ensure compatibility.
Features
1. Low Power Consumption: The device offers low power dissipation with a typical supply current of 300 µA, making it energy-efficient.
2. Wide Operating Temperature Range: It operates effectively from -40°C to 85°C, making it suitable for various industrial applications.
3. High Data Rate: Capable of supporting data rates up to 2.5 Mbps, ensuring fast and reliable data transmission.
4. Enhanced Noise Immunity: Features ±15kV ESD protection on the bus pins, providing robust immunity to electrostatic discharge.
5. Fail-Safe Operation: Includes fail-safe circuitry that ensures a logic-high receiver output when the bus is idle, shorted, or open.
6. Driver/Receiver Enable Pins: Allows for easy configuration and control of driver and receiver modes.
7. Compact Package: Available in an 8-lead SOIC package, facilitating space-saving designs.
These features make the LTC1485IS8#TRPBF suitable for applications requiring reliable high-speed communication over long distances.
Pinout
1. Pin Count: 8 pins
2. Functions:
- The LTC1485IS8 features a differential driver and receiver, which is used for enhanced data communication over longer distances and in noisy environments.
- The pins typically include driver input, driver output, receiver input, receiver output, and power supply connections.
- It is designed for balanced data transmission, allowing it to support higher data rates.
- The device can be used in multipoint applications on standard bus lines.
This IC is suitable for industrial applications due to its robustness and ability to handle a wide range of voltages.
Manufacturer
Application
1. Industrial Automation: Facilitates robust communication in noisy environments.
2. Building Automation: Used in systems like HVAC and security for reliable data transmission.
3. Process Control: Ensures stable communication between controllers and field devices.
4. Telecommunications: Supports data networking and communication infrastructure.
5. Energy Management: Used in smart grids and metering systems for efficient data exchange.
6. Embedded Systems: Provides reliable serial communication in embedded applications.
These applications leverage the transceiver's ability to handle multiple nodes and its noise immunity.