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MAX488MJA
+NomenclatureIC TRANSCEIVER FULL 1/1 8CERDIP
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX488MJA
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Package CERDIP-8
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En stock2300
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube |
| Part Status | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Receiver Hysteresis | 70 mV |
| Data Rate | 250kbps |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Mounting Type | Through Hole |
Présentation
Description
Key features include a wide common-mode voltage range, allowing it to function in noisy environments, and a current-limited output to protect against short circuits. The MAX488MJA offers a fail-safe feature, ensuring a default output when the bus is idle, open, or shorted. The device is also equipped with thermal shutdown protection.
The transceiver is housed in a plastic or ceramic DIP package, designed to meet stringent industrial and military standards, as indicated by the "MJA" suffix, suggesting extended temperature range and reliability. Its compact design and robust performance make it suitable for various applications, including industrial automation, networking, and remote sensing.
Equivalent
1. TI SN75176: Similar functionality with RS-485/RS-422 standards.
2. Analog Devices ADM485: A compatible RS-485 transceiver.
3. Exar SP485: Offers similar performance and features.
4. ON Semiconductor AM26C31: Another option for similar data communication standards.
Ensure compatibility based on specific requirements like power supply range, data rate, and package type before substituting.
Features
1. Low Power Consumption: It operates with minimal power, making it suitable for battery-powered and energy-efficient applications.
2. High Data Rate: Supports data transmission rates up to 250 kbps.
3. Wide Operating Range: Functions in a supply voltage range of 4.75V to 5.25V, accommodating various system requirements.
4. Extended Temperature Range: Designed to operate in temperatures from -55°C to +125°C, suitable for industrial and military applications.
5. Short-Circuit Protection: Provides protection against short circuits, enhancing device reliability.
6. ESD Protection: Features electrostatic discharge protection for robust performance in harsh environments.
7. Fail-safe Operation: Ensures a known state on the receiver output when the bus is idle, open, or shorted.
8. Low-Voltage Logic Interface: Compatible with lower voltage systems, enhancing versatility.
These features make the MAX488MJA a reliable choice for robust serial communication in demanding conditions.
Pinout
1. RO (Pin 1): Receiver Output - Outputs the received data.
2. RE̅ (Pin 2): Receiver Enable - Active-low input to enable the receiver.
3. DE (Pin 3): Driver Enable - Controls the driver, active-high input.
4. DI (Pin 4): Driver Input - Input for the data that needs to be transmitted.
5. GND (Pin 5): Ground - The reference point for all signals.
6. A (Pin 6): Non-inverting Receiver Input/Driver Output.
7. B (Pin 7): Inverting Receiver Input/Driver Output.
8. VCC (Pin 8): Supply Voltage - Power supply input.
The MAX488 is designed for low power, high-speed communication in RS-485/RS-422 networks, supporting up to 32 transceivers on the bus.