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MAX485CSA
+BOMIC TRANSCEIVER HALF 1/1 8SOIC
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제조업체아날로그 장비 주식회사/Maxim 통합
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제조업체 부품 #MAX485CSA
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사양
| 속성 | 가치 |
| 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 | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | MAX485 |
개요
Description
Key features include a data rate of up to 2.5 Mbps, low power consumption (typically 120 µA), and robust differential signaling which enhances noise immunity. The integrated fail-safe circuitry ensures reliable operation by maintaining a known state during power-down conditions.
The MAX485CSA is often used in industrial automation, remote sensor networks, and communication between microcontrollers over longer distances. Its compact SOIC package allows for easy integration into circuits while minimizing board space. Overall, the MAX485CSA is an efficient and reliable solution for robust serial communication needs in various electronic applications.
Equivalent
Features
1. Operating Voltage: Supports a wide supply range from +3.0V to +5.5V.
2. Data Rate: Capable of transmitting data at speeds up to 2.5 Mbps.
3. Low Power Consumption: Consumes only 120 µA in low-power mode, making it suitable for battery-operated devices.
4. Driver and Receiver: Contains a driver and a receiver, allowing for full-duplex communication.
5. Temperature Range: Operates over an extended temperature range from -40°C to +85°C.
6. Integrated Termination: Features integrated termination resistors to simplify circuit design.
7. Fail-Safe: Implements fail-safe circuitry that ensures a known state in the absence of a valid input.
8. Bus Contention Protection: Protects against bus contention and ensures reliable communication.
These features make the MAX485CSA ideal for industrial automation, remote sensing, and other applications requiring robust data transmission.
Pinout
1. 1 (RO) - Receiver Output: Outputs the received data.
2. 2 (RE) - Receiver Enable: Active low; when low, the receiver is enabled.
3. 3 (DE) - Driver Enable: Active high; when high, the driver is enabled to transmit data.
4. 4 (DI) - Driver Input: Input for the data to be transmitted.
5. 5 (GND) - Ground: Common ground connection.
6. 6 (A) - Non-inverting Driver Output: Connects to the non-inverting terminal of the differential line.
7. 7 (B) - Inverting Driver Output: Connects to the inverting terminal of the differential line.
8. 8 (VCC) - Supply Voltage: Power supply input, typically +5V.
The MAX485CSA is commonly used for long-distance data transmission in industrial and commercial applications.
Manufacturer
Founded in 1983, Maxim Integrated became prominent for its innovative approach to integrated circuit design and has a diverse product portfolio that serves various industries, including automotive, industrial, consumer electronics, and telecommunications. In 2020, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its capabilities and product offerings.
The MAX485 is particularly notable for its role in enabling reliable RS-485 communication, widely used in industrial networking and communication applications.
Application
Package
Frequently Asked Questions
Q: What is the maximum data rate of the MAX485CSA?
A: The MAX485CSA supports a data rate up to 2.5 Mbps, suitable for high-speed RS-485 communication.
Q: Is the MAX485CSA a half-duplex or full-duplex transceiver?
A: It is a half-duplex transceiver, meaning it can only transmit or receive data at any given time, not both simultaneously.
Q: What is the operating voltage range for this device?
A: The recommended supply voltage is 4.75V to 5.25V, making it compatible with standard 5V logic systems.
Q: What is the typical application for the MAX485CSA in RS-485 networks?
A: It is ideal for industrial control, data acquisition, and building automation systems requiring robust differential signaling over long distances.
Q: How many drivers and receivers are integrated into the MAX485CSA?
A: It integrates 1 driver and 1 receiver, providing a single-channel RS-485/RS-422 interface.
Q: Does the MAX485CSA feature receiver hysteresis for noise immunity?
A: Yes, it includes 70 mV of receiver hysteresis to reduce noise-induced false triggering in harsh environments.
Q: What is the package type and operating temperature range?
A: It comes in an 8-SOIC surface mount package and operates over a 0°C to 70°C commercial temperature range.
