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ADM2687EBRIZ
+物料清單DGTL ISO 5KV 3CH RS422 16-SOIC
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製造商ADI公司
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製造商部分 #ADM2687EBRIZ
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有存貨17669
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規格
| 屬性 | 價值 |
| Series | isoPower® |
| Part Status | Active |
| Technology | Magnetic Coupling |
| Type | RS422, RS485 |
| Isolated Power | Yes |
| Number of Channels | 3 |
| Inputs - Side 1/Side 2 | 2/1 |
| Channel Type | Unidirectional |
| Voltage - Isolation | 5000Vrms |
| Common Mode Transient Immunity (Min) | 25kV/µs |
| Data Rate | 500kbps |
| Propagation Delay tpLH / tpHL (Max) | 700ns, 700ns |
| Rise / Fall Time (Typ) | 1.1µs, 1.1µs (Max) |
| Voltage - Supply | 3.3V, 5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
| Base Product Number | ADM2687 |
概述
Description
The ADM2687EBRIZ provides a robust communication interface with its integrated 5 kV rms isolation barrier, facilitating the protection of data lines and power supplies against high voltage surges. It supports data rates up to 500 kbps, making it suitable for various industrial applications, such as process control, factory automation, and building management systems.
Additional features include thermal shutdown protection, high common-mode transient immunity, and fail-safe receiver inputs, which ensure stable operation under adverse conditions. The device is available in a compact, surface-mount package, making it easy to integrate into space-constrained designs. Overall, the ADM2687EBRIZ is a reliable solution for isolated communication in harsh industrial settings.
Equivalent
1. Texas Instruments ISO3082: Isolated RS-485 transceiver.
2. Maxim Integrated MAX14850: Isolated RS-485/RS-422 transceiver.
3. Silicon Labs Si8642: Isolated transceiver with similar functionalities.
4. Broadcom ACMD-7461: Isolated RS-485 transceiver.
When selecting an equivalent, ensure the electrical characteristics and isolation level meet your specific application requirements.
Features
1. Isolation: Provides 5 kV rms isolation, essential for protecting data communication in industrial settings.
2. Data Rates: Offers data transmission rates up to 500 kbps, suitable for high-speed communication.
3. Integrated DC-to-DC Converter: Supplies power to the bus side of the chip, eliminating the need for an external isolated power supply.
4. Half-Duplex Communication: Supports half-duplex RS-485 operation, suitable for applications where the transmitter and receiver share the same communication path.
5. Robustness: High ESD protection (±15 kV on RS-485 bus pins) ensures durability against electrical disturbances.
6. Failsafe Features: Includes open-circuit, short-circuit, and bus idle failsafe receivers to maintain reliable communication.
7. Wide Operating Range: Operates over a temperature range of -40°C to +85°C, catering to various industrial environments.
These features make it ideal for industrial automation, motor control, and other applications requiring reliable isolated data communication.
Pinout
Pin Count:
- 16 pins
Key Functions:
1. Isolated RS-485/RS-422 Transceiver: Provides differential data transmission with isolation for enhanced noise immunity.
2. Integrated Power Isolation: Offers isolated power supply to simplify system design.
3. High Data Rates: Supports communication speeds up to 500 kbps.
4. Fail-Safe Operation: Ensures known output state when inputs are open, shorted, or terminated but undriven.
5. Thermal Shutdown and Protection: Includes features for over-current and over-temperature protection.
6. Low EMI Emissions: Designed to minimize electromagnetic interference, meeting stringent standards.
7. Robust Performance: Withstands high-voltage transients, enhancing reliability in industrial environments.
The ADM2687EBRIZ is ideal for applications requiring reliable communication over long distances in electrically noisy environments, such as industrial automation, instrumentation, and process control systems.