ADM3251EARWZ-REEL
Digital Isolators
Technical Specifications
| Type | Description |
|---|---|
| Cmti Kvus | 25.0 |
| ESD Protect | +/-8kV |
| Number of Drivers | 1 |
| Number of Receivers | 1 |
| Type | Description |
|---|---|
| Features | Single power supply isolation;ESD protection |
| Output Voltage | 5 V |
| Operating Temp | -40°C ~ +85°C |
| Package / Case | SOIC-20-300mil |
Product Introduction
The ADM3251E is a high speed, 2.5 kV fully isolated, single-channel RS-232/V.28 transceiver device that operates from a single 5 V power supply. Due to the high ESD protection on the RIN and TOUT pins, the device is ideally suited for operation in electrically harsh environments or where RS-232 cables are frequently being plugged and unplugged.
The ADM3251E incorporates dual-channel digital isolators with isoPower integrated, isolated power. There is no requirement to use a separate isolated dc-to-dc converter. Chip-scale transformer iCoupler technology is used both for the isolation of the logic signals as well as for the integrated dc-to-dc converter. The result is a total isolation solution.
The ADM3251E conforms to the EIA/TIA-232E and ITU-T V. 28 specifications and operates at data rates up to 460 kbps.
Four external 0.1 μF charge pump capacitors are used for the voltage doubler/inverter, permitting operation from a single 5 V supply.
The ADM3251E is available in a 20-lead, wide body SOIC package and is specified over the -40°C to +85°C temperature range.
Features
- 2.5 kV fully isolated (power and data) RS-232 transceiver
- isoPower integrated, isolated dc-to-dc converter
- 460 kbps data rate
- 1 Tx and 1 Rx
- Meets EIA/TIA-232E specifications
- ESD protection on RIN and TOUT pins ±8 kV; contact discharge ±15 kV : air gap discharge
- 0.1 μF charge pump capacitors
- High common-mode transient immunity: >25 kV/μs
- Safety and regulatory approvals (pending) UL recognition 2500 V rms for 1 minute per UL 1577 VDE Certificate of Conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 V10RM = 560 V peak
- Operating temperature range: -40°C to +85°C
- Wide body, 20-lead SOIC package
Applications
- - High noise data communications - Industrial communications - General-purpose RS-232 data links - Industrial/telecommunications diagnostic ports - Medical equipment
Datasheet
Alternative Parts
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| Type | Details |
|---|---|
| ECCN | EAR99 |
Sourcing Information
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