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Hot sale original ADM3251EARWZ-REEL RS232 Digital Isolator 2500Vrms 2 Channel 460Kbps 25kV/µs CMTI 20-SOIC
Manufacturer Product Number
ADM3251EARWZ-REEL
Description
ADM3251EARWZ-REEL Digital Isolators DGTL ISO 2.5KV 2CH RS232 20-SOIC
Package Condition
Tape & Reel (TR) Cut Tape (CT)
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Product Details
| Description The ADM3251E is a high speed, 2.5 kV fully isolated, singlechannel 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 from Analog Devices, Inc., 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 contains isoPower technology that uses high frequency switching elements to transfer power through the transformer. Special care must be taken during printed circuit board (PCB) layout to meet emissions standards. Refer to Application Note AN-0971, Control of Radiated Emissions with isoPower Devices, for details on board layout considerations. 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 VIORM = 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 |
Product Description
| Type | Description |
| ANSC PART# | ANSC - ADM3251EARWZ-REEL |
| Category | Isolators |
| Digital Isolators | |
| Mfr | Original |
| Series | IsoPower®, iCoupler® |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| / | |
| Part Status | Active |
| Technology | Magnetic Coupling |
| Type | RS232 |
| 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 | 460Kbps |
| Propagation Delay tpLH / tpHL (Max) | 135ns, 190ns |
| Pulse Width Distortion (Max) | - |
| Rise / Fall Time (Typ) | 2.3ns, 2.3ns |
| Voltage - Supply | 4.5V ~ 5.5V |
| 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 | ADM3251 |
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ADM3251EARWZ-REEL Digital Isolators DGTL ISO 2.5KV 2CH RS232 20-SOIC
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