ADM2484EBRWZ
Signal Isolators
Technical Specifications
| Type | Description |
|---|---|
| Nodes | 256 |
| Cmti Kvus | 25 |
| Isolation Vrms V | 5000 V |
| ESD Protect | ±15kV |
| Number of Drivers | 1 |
| Data Rate(Max) | 500Kbps |
| Communication Mode | Full-Duplex;Half-Duplex |
| Type | Description |
|---|---|
| Number of Receivers | 1 |
| Features | Fail-safe circuit;Bus fault detection |
| Supply Voltage | 3V~3.6V |
| Operating Temperature | -40°C~+85°C |
| Quiescent Current | - |
| Package / Case | SOIC-16-300mil |
Product Introduction
The ADM2484E is an isolated data transceiver with ±15 kV ESD protection suitable for high speed, half- or full-duplex communication on multipoint transmission lines. For halfduplex operation, the transmitter outputs and receiver inputs share the same transmission line. Transmitter Output Pin Y links externally to Receiver Input Pin A, and Transmitter Output Pin Z links externally to Receiver Input Pin B.
Designed for balanced transmission lines, the ADM2484E complies with ANSI TIA/EIA RS-485-A-1998 and ISO 8482: 1987(E). The device combines a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package.
The differential transmitter outputs and receiver inputs feature electrostatic discharge circuitry that provides protection up to ±15 kV using the human body model (HBM). The logic side of the device can be powered with either a 5 V or a 3.3 V supply, whereas the bus side requires an isolated 3.3 V supply.
The device has current-limiting and thermal shutdown features to protect against output short circuits and situations where bus contention causes excessive power dissipation.
Features
- Isolated, RS-485/RS-422 transceiver, configurable as half- or full-duplex
- ±15 kV ESD protection on RS-485 input/output pins
- 500 kbps data rate
- Complies with ANSI TIA/EIA RS-485-A-1998 and ISO 8482: 1987(E)
- Suitable for 5 V or 3.3 V operation (VDD1)
- High common-mode transient immunity: >25 kV/μs
- True fail-safe receiver inputs
- 256 nodes on the bus
- Thermal shutdown protection
- Safety and regulatory approvals: UL recognition 5000 V rms isolation voltage for 1 minute per UL1577; VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12; Reinforced insulation, V10RMS = 849 VPEAK; CSA Component Acceptance Notice 5A; IEC 60950-1: 390 V rms (reinforced)
- Operating temperature range: -40℃ to 85℃
- Wide body, 16-lead SOIC package
Applications
- Isolated RS-485/RS-422 interfaces
- Industrial field networks
- INTERBUS
- Multipoint data transmission system
Datasheet
Alternative Parts
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| Type | Details |
|---|---|
| ECCN | EAR99 |
Sourcing Information
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