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MAX481ESA
+BOMIC TRANSCEIVER HALF 1/1 8SOIC
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ManufacturerAnalog Devices Inc./Maxim Integrated
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Mfr. Part #MAX481ESA
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Datasheet MAX481ESA DataSheet
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In Stock8842
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| 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 |
| Base Product Number | MAX481 |
Overview
Description
The device includes a built-in fail-safe feature, ensuring a known output state when the input is floating. Its low power consumption makes it ideal for battery-operated devices, with a supply current of just 120 µA in inactive mode.
The MAX481ESA can drive up to 32 transceivers on the bus and is equipped with a thermal shutdown protection feature. The package includes an 8-pin DIP configuration for easy integration into various applications, like industrial automation, motor control, and data acquisition systems.
Overall, the MAX481ESA is suitable for reliable, long-distance, and robust communication in noisy environments.
Equivalent
Features
1. Low Power Consumption: Operates with a supply voltage of 3.0V to 5.5V and draws minimal current, making it suitable for battery-powered applications.
2. High Data Rate: Supports data rates up to 2.5 Mbps, facilitating fast communication in various applications.
3. Differential Signaling: Ensures improved noise immunity and signal integrity over long cable lengths.
4. Wide Operating Temperature: Rated for operation from -40°C to +85°C, allowing for versatile use in harsh environments.
5. Fail-Safe Design: Includes built-in fail-safe mechanisms, ensuring the receiver outputs a high state when inputs are open or shorted.
6. Integrated Termination: Supports external termination resistors for enhanced signal integrity.
7. Compact Package: Offered in a 8-pin SOIC package for space-constrained designs.
These features make the MAX481ESA suitable for industrial, automotive, and commercial applications requiring robust data transmission.
Pinout
Pin Count and Functions:
1. RO (Receiver Output): Outputs the received data from the bus.
2. RE (Receiver Enable): Active low; enables the receiver when low.
3. DE (Driver Enable): Active high; enables the driver when high.
4. DI (Driver Input): Inputs data to be driven onto the bus.
5. A (Non-Inverting Receiver Input): Positive terminal of the differential receiver.
6. B (Inverting Receiver Input): Negative terminal of the differential receiver.
7. GND: Ground reference.
8. VCC: Power supply voltage (typically +5V).
The MAX481ESA is designed for data transmission over long distances in noisy environments, making it suitable for industrial applications.
Manufacturer
The MAX481ESA is a low-power, half-duplex RS-485/RS-422 transceiver, which is commonly used in data communication and networking applications. Analog Devices focuses on developing innovative technologies that enable the connectivity and processing of data in various systems, emphasizing high accuracy, efficiency, and reliability. The firm is recognized for its commitment to quality and performance in electronic components, serving a diverse range of industries worldwide.
Application
1. Industrial Automation: For communication in factory automation systems.
2. Data Acquisition Systems: Connecting sensors and instruments over long distances.
3. Remote Control Systems: Facilitating communication in remote monitoring and control applications.
4. Building Automation: Used in HVAC, lighting, and security systems.
5. Telecommunication: Supporting long-distance data transmission in networking equipment.
6. Embedded Systems: In microcontroller-based applications requiring robust serial communication.
Its ability to operate in noisy environments and support multi-point communication makes it ideal for these areas.