ADM2587EBRWZ-REEL7
Digital Isolators
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 4.15 V |
| Cmti Kvus | 25.0 |
| Communication Mode | Full-Duplex;Half-Duplex |
| Features | Fail-safe circuit |
| Type | Description |
|---|---|
| Output Voltage | 3.3 V |
| Operating Temp | -40°C ~ +85°C |
| Package / Case | SOIC-20-300mil |
Product Introduction
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 iCoupler technology to combine a 3-channel isolator, a three-state differential line driver, a differential input receiver, and 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, widebody SOIC package.
The ADM2582E/ADM2587E contain isoPower technology that uses high frequency switching elements to transfer power through the transformer.
Features
- Isolated RS-485/RS-422 transceiver, configurable as half or full duplex
- isoPower 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 V₁₀RM = 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
Datasheet
Alternative Parts
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| Type | Details |
|---|---|
| ECCN | EAR99 |
Frequently Asked Questions
What galvanic isolation ratings, common-mode transient immunity (CMTI), and safety approvals does this device provide?
The ADM2587EBRWZ-REEL7 provides 2500 Vrms galvanic isolation for 1 minute in accordance with UL 1577 and offers common-mode transient immunity (CMTI) greater than 25 kV/µs. The datasheet also specifies a maximum repetitive isolation voltage (VIORM) of 524 Vpeak. DIN EN IEC 60747-17 (VDE 0884-17) approval is listed as pending.
How fast can the ADM2587EBRWZ-REEL7 transmit data, and how many nodes can share the RS-485 bus?
The ADM2587EBRWZ-REEL7 supports data rates of up to 500 kbps and allows up to 256 transceivers to be connected on a single RS-485 bus. The device complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E).
What protection features, operating temperature range, and package type does the ADM2587EBRWZ-REEL7 offer?
The device provides ±15 kV Human Body Model (HBM) ESD protection on the RS-485 bus pins, along with thermal shutdown and open- and short-circuit fail-safe receiver inputs. It operates over the industrial temperature range of −40°C to +85°C and is housed in a 20-lead wide-body SOIC (SOIC_W) package.
Sourcing Information
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