Imagens apenas para referência
IC TRANSCEIVER HALF 1/1 8SOIC
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #ADM485EARZ-REEL7
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Ficha Técnica ADM485EARZ-REEL7 DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Base Product Number | ADM485 |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| Number of Drivers / Receivers | 1/1 |
| Duplex | Half |
| Receiver Hysteresis | 70 mV |
| Data Rate | 2.5Mbps |
| 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-SOIC |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Visão Geral
Description
Key features of the ADM485EARZ-REEL7 include a wide supply voltage range, typically from 4.5V to 5.5V, and the ability to operate at data rates up to 5 Mbps. It offers ±15 kV ESD protection on the bus pins, enhancing reliability against electrostatic discharge. The device supports half-duplex communication, allowing for bi-directional data flow on a single pair of twisted wires.
Housed in a compact SOIC package, the ADM485EARZ-REEL7 is designed for easy integration into various systems. It incorporates fail-safe features to ensure reliable performance under open-circuit, short-circuit, and idle-line conditions. These characteristics make it a popular choice for applications in automation, process control, and other industrial communication networks.
Equivalent
Features
1. Data Rate: It supports high data rates up to 2.5 Mbps, making it suitable for fast data transmission.
2. Supply Voltage: Operates from a single 5V power supply.
3. Half-Duplex Operation: Allows for bidirectional data transmission but not simultaneously, reducing wiring complexity.
4. Short-Circuit Protection: Offers protection against output short circuits.
5. Thermal Shutdown: Includes a thermal shutdown feature to protect the device from excessive heat.
6. Low Power Consumption: Features a low power shutdown mode, reducing power consumption when not in use.
7. ESD Protection: Enhanced ESD protection for improved reliability in harsh environments.
8. Driver and Receiver Enable Pins: Allows for easy control of data flow and power management.
9. Package: Comes in a narrow body SOIC-8 package for space-constrained applications.
These features make the ADM485EARZ-REEL7 suitable for applications in industrial automation, process control, and other environments requiring efficient and robust data communication.
Pinout
Here are its primary pin functions:
1. Pin 1 (RO - Receiver Output): Outputs the received data.
2. Pin 2 (RE - Receiver Enable): Enables/disables the receiver (active low).
3. Pin 3 (DE - Driver Enable): Enables/disables the driver (active high).
4. Pin 4 (DI - Driver Input): Inputs the data to be transmitted.
5. Pin 5 (GND - Ground): Ground reference for the circuit.
6. Pin 6 (A - Non-inverting Driver Output/Receiver Input): Non-inverting terminal for differential signal.
7. Pin 7 (B - Inverting Driver Output/Receiver Input): Inverting terminal for differential signal.
8. Pin 8 (VCC - Supply Voltage): Powers the IC.
The ADM485EARZ-REEL7 is typically used in applications that require robust data transmission over long distances and in noisy environments, making it ideal for industrial communications.