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LTM2881IY-3
+BOMDG ISO 2.5KV 2CH RS422 32-BBGA
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メーカーテキサス・インスツルメンツ
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メーカー品番 #LTM2881IY-3
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データシート LTM2881IY-3 DataSheet
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在庫状況23630
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Series | µModule® |
| Part Status | Active |
| Technology | Magnetic Coupling |
| Type | RS422, RS485 |
| Isolated Power | Yes |
| Number of Channels | 2 |
| Inputs - Side 1/Side 2 | 1/1 |
| Channel Type | Unidirectional |
| Voltage - Isolation | 2500Vrms |
| Common Mode Transient Immunity (Min) | 30kV/µs |
| Data Rate | 20Mbps |
| Voltage - Supply | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 32-BBGA Module |
| Supplier Device Package | 32-BGA (15x11.25) |
| Base Product Number | LTM2881 |
概要
Description
Key features of the LTM2881IY-3 include:
1. Isolated Interface: It offers an isolated RS-485/RS-422 transceiver, providing robust communication over long distances.
2. Integrated DC/DC Converter: Supplies power to the isolated side, eliminating the need for an external power supply.
3. High Data Rates: Supports data rates up to 20 Mbps, suitable for high-speed applications.
4. Safety and Immunity: Provides reinforced isolation for up to 2500 VRMS, ensuring safety in high-voltage environments.
5. Wide Operating Range: Functions effectively over a wide temperature range, making it suitable for various industrial settings.
Overall, the LTM2881IY-3 is ideal for applications requiring secure, reliable, and high-speed isolated data communication.
Equivalent
Features
1. Isolation: Provides up to 2500VRMS isolation, separating the logic level and field-side interfaces.
2. Integrated Power: Includes an isolated power supply, eliminating the need for a separate power source for the isolated side.
3. Data Rates: Supports data rates up to 20Mbps, making it suitable for high-speed communication.
4. Full-Duplex Operation: Capable of full-duplex communication, supporting both RS485 and RS422 protocols.
5. Robustness: Includes ±15kV ESD protection on the transceiver interface.
6. Easy Implementation: Comes in a compact BGA package, simplifying PCB layout and reducing design complexity.
7. Wide Temperature Range: Operates over a temperature range of -40°C to +85°C.
8. Fail-Safe Operation: Features fail-safe receiver operation, ensuring predictable behavior under fault conditions.
9. Low EMI: Designed to minimize electromagnetic interference, improving system reliability.
These features make the LTM2881IY-3 well-suited for industrial, automotive, and communication applications requiring robust isolation and reliable data transmission.
Pinout
Key functions of the LTM2881IY-3 include:
1. Isolation: Provides 2500VRMS isolation for the RS485/RS422 data lines and power, protecting against ground loops and common-mode voltages.
2. Power Supply: Incorporates an isolated DC/DC converter to supply power to the isolated side of the device.
3. Communication: Supports full-duplex differential communication compatible with RS485/RS422 standards.
4. Data Integrity: Features fail-safe receiver inputs to ensure a stable output in the presence of an open or shorted input.
This combination of features makes the LTM2881IY-3 suitable for industrial, medical, and data communication applications requiring isolation and reliable data transmission.