Product Details
| GENERAL DESCRIPTION The ADM2582E/ADM2587E are fully integrated signal and power isolated data transceivers with –15 kV ESD protection and are suitable for high speed communication on multipoint transmission lines. The ADM2582E/ADM2587E include an integrated isolated dc-to-dc power supply, which eliminates the need for an external dc-to-dc isolation block. They are designed for balanced transmission lines and comply with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E). The devices integrate Analog Devices, Inc., iCouplerfi technology to combine a 3-channel isolator, a three-state differential line driver, a differential input receiver, and Analog Devices isoPower dc-to dc converter into a single package. The devices are powered by a single 5 V or 3.3 V supply, realizing a fully integrated signal and power isolated RS-485 solution. The ADM2582E/ADM2587E driver has an active high enable. An active low receiver enable is also provided, which causes the receiver output to enter a high impedance state when disabled. The devices have current limiting and thermal shutdown features to protect against output short circuits and situations where bus contention may cause excessive power dissipation. The parts are fully specified over the industrial temperature range and are available in a highly integrated, 20-lead, wide body SOIC package. Isolated RS-485/RS-422 transceiver, configurable as half or full duplex isoPowerfi integrated isolated dc-to-dc converter ±15 kV ESD protection on RS-485 input/output pins Complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E) ADM2582E data rate: 16 Mbps ADM2587E data rate: 500 kbps 5 V or 3.3 V operation Connect up to 256 nodes on one bus Open- and short-circuit, fail-safe receiver inputs High common-mode transient immunity: >25 kV/μs Thermal shutdown protection Safety and regulatory approvals UL recognition: 2500 V rms for 1 minute per UL 1577 VDE Certificates of Conformity DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01 VIORM = 560 V peak Operating temperature range: ?40°C to +85°C Highly integrated, 20-lead, wide-body SOIC package APPLICATIONS Isolated RS-485/RS-422 interfaces Industrial field networks Multipoint data transmission systems |
Product Description
| Type | Description |
| ANSC PART# | ANSC - ADM2582EBRWZ |
| Category | Isolators |
| Digital Isolators | |
| Mfr | Original |
| Series | IsoPower?, iCoupler? |
| Packaging | Tube |
| 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) | 25kV/μs |
| Data Rate | 16Mbps |
| Propagation Delay tpLH / tpHL (Max) | - |
| Pulse Width Distortion (Max) | - |
| Rise / Fall Time (Typ) | 15ns, 15ns (Max) |
| Voltage - Supply | 3.3V, 5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| Base Product Number | ADM2582 |
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