Imagens apenas para referência
MAX490ESA+
+Lista de MateriaisIC TRANSCEIVER FULL 1/1 8SOIC
-
FabricanteAnalog Devices Inc./Maxim Integrated
-
Peça do Fabricante #MAX490ESA+
-
Pacote SO-8
-
Em Estoque2014
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Driver |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 2/0 |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Duplex | Half |
| Receiver Hysteresis | 50 mV |
| Data Rate | 250kbps |
| Series | Automotive, AEC-Q100 |
Visão Geral
Description
Key features include a ±7V common-mode input range, allowing for robust communication in noisy environments, and a fail-safe receiver that ensures a known output state when the bus is idle or open. The device operates with a single 5V supply and offers a data rate of up to 250 kbps. Its low quiescent current makes it ideal for applications where power efficiency is crucial.
The MAX490ESA+ is available in an 8-pin SOIC package, offering ease of integration into compact circuit designs. It is commonly used in industrial automation, building automation systems, and other applications requiring reliable data communication.
Equivalent
1. Texas Instruments SN75176B
2. Texas Instruments SN65HVD1780
3. Analog Devices ADM485
4. NXP Semiconductors PCA82C250
5. STMicroelectronics ST485
These alternatives offer similar functionality and are used in serial communication applications. Always check the datasheets for exact compatibility and performance characteristics.
Features
1. Low Power Consumption: The device operates on a single 5V supply with low quiescent current, making it ideal for power-sensitive applications.
2. ESD Protection: It offers enhanced electrostatic discharge protection for increased reliability in harsh environments.
3. Wide Temperature Range: The operating temperature range is -40°C to +85°C, suitable for industrial applications.
4. High Data Rates: Supports data transmission rates up to 2.5Mbps.
5. Driver/Receiver Enable: Includes separate enable pins for the driver and receiver, allowing for independent control and tri-state capability.
6. Short-Circuit Protection: The device features short-circuit current limiting and thermal shutdown to protect against damage during fault conditions.
7. Slew-Rate Limiting: Reduces EMI by controlling the speed of the output signal transitions.
8. Full-Duplex Communication: Allows simultaneous two-way communication between devices.
These features make the MAX490ESA+ suitable for a wide range of serial communication applications, including networking, industrial automation, and telecommunications.
Pinout
1. RO (Receiver Output): Outputs the received data from the differential bus.
2. RE̅ (Receiver Enable): Active-low input to enable or disable the receiver.
3. DE (Driver Enable): Controls whether the driver outputs are active. High to enable.
4. DI (Driver Input): Data input for the driver circuit.
5. GND (Ground): Common ground for the transceiver.
6. A (Non-Inverting Driver Output/Receiver Input): Positive line for differential data.
7. B (Inverting Driver Output/Receiver Input): Negative line for differential data.
8. VCC (Supply Voltage): Power supply for the transceiver.
The device is suitable for high-speed communication and operates at a low power consumption, making it ideal for applications in industrial and commercial environments.