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MAX1490BEPG+
High-speed 250kbps transceiver for RS422 and RS485 interfaces
MAX1490BEPG+
High-speed 250kbps transceiver for RS422 and RS485 interfaces
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Manufacturer Part # : MAX1490BEPG+
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Package/Case: PDIP-24
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Brand: Analog Devices
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Product Categories : Drivers, Receivers, Transceivers
Quality Assurance
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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MAX1490BEPG+ DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The MAX1490BEPG+ is not only high-performing but also incredibly versatile. Its hot-swappable receiver inputs allow for easy installation without disrupting ongoing communications on the bus. The wide operating temperature range of -40°C to +85°C further solidifies its suitability for a variety of industrial settings
Key Features
- For Space-Saving Designs
- MAX1470: Ultra-High-Speed, Differential Line Receiver with ±50V Isolation
- MAX1471: High-Speed, Differential Line Transmitter with ±30V Isolation
- MAX1472: Dual-Channel, Differential Line Receiver with ±25V Isolation
Application
- Security System Integration
- RFID Reader Networks
- Distributed Control Systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | RS-422/RS-485 Interface IC | RoHS | Details |
| Series | MAX1490B | Mounting Style | Through Hole |
| Package / Case | PDIP-24 | Function | Transceiver |
| Number of Drivers | 1 Driver | Number of Receivers | 1 Receiver |
| Data Rate ! | 250 kb/s | Supply Voltage - Max | 5 V |
| Supply Voltage - Min | 5 V | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature ! | + 85 C | Brand | Analog Devices / Maxim Integrated |
| Duplex | Full Duplex | Height | 4.45 mm (Max) |
| Length | 32.26 mm (Max) | Operating Supply Current | 125 mA |
| Operating Supply Voltage ! | 5 V | Pd - Power Dissipation | 696 mW |
| Product Type ! | RS-422/RS-485 Interface IC | Factory Pack Quantity | 16 |
| Subcategory | Interface ICs | Width | 14.61 mm (Max) |
| Part # Aliases | MAX1490B | Unit Weight | 0.131925 oz |
FAQs
What is MAX1490BEPG+?
The MAX1490BEPG+ is a RS-485/RS-422 transceiver designed by Maxim Integrated. It is ideal for applications requiring robust communication over long distances, such as industrial automation, building automation, and motor control systems.
How Does MAX1490BEPG+ Work?
The MAX1490BEPG+ works by translating logic-level signals to and from the differential voltage levels used in RS-485 and RS-422 communication standards. It provides robust communication by rejecting common mode noise and handling signal transmission over long cable lengths. The transceiver features high common-mode transient immunity and low quiescent current, making it suitable for noise-sensitive and power-efficient applications.
How Many Pins does MAX1490BEPG+ have and What are the Functions of the Pinout Configuration?
The MAX1490BEPG+ is housed in a 24-pin DIP (Dual In-line Package) package. The pinout configuration includes:
- DI, RO: Data input and receiver output for Channel 1.
- DE, RE: Driver output enable and receiver output enable for Channel 1.
- GND: Ground pin.
- A, B: Signal lines for driver outputs for Channel 1.
- Y, Z: Data input and receiver output for Channel 2.
- YE, ZE: Driver output enable and receiver output enable for Channel 2.
- VD+:, VD-: Differential power supply pins.
- VP+, VP-: Logic power supply pins.
What are the Pros and Cons of MAX1490BEPG+?
Pros:
- Robust Communication: Provides robust communication over long cable lengths in noisy industrial environments.
- High Common-Mode Immunity: Offers high immunity to common-mode noise, ensuring reliable data transmission.
- Low Quiescent Current: Consumes low power during operation, suitable for power-efficient designs.
- Wide Supply Voltage Range: Supports a wide range of supply voltages for flexibility in system design.
- Driver Output Short-Circuit Protection: Incorporates driver output short-circuit protection for enhanced reliability.
Cons:
- Package Size: The 24-pin DIP package may require more board space compared to smaller packages.
- Complexity: RS-485 and RS-422 communication standards may require careful consideration of termination and bus configuration for optimal performance.
- Interface Considerations: Additional components such as termination resistors may be required for proper interface implementation.
Are There Any Equivalents/Alternatives to MAX1490BEPG+ for Recommendation?
- The SN65HVD72 from Texas Instruments is a similar RS-485/RS-422 transceiver offering high noise immunity.
- Alternatives to the MAX1490BEPG+ include the ADM2483 from Analog Devices and the ST485B from STMicroelectronics.
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