(China (Mainland))
Product Summary
The ADM3251EARWZ 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 ADM3251EARWZ is ideally suited for operation in electrically harsh environments or where RS-232 cables are frequently being plugged and unplugged. The applications of the ADM3251EARWZ include High noise data communications, Industrial communications, General-purpose RS-232 data links, Industrial/telecommunications diagnostic ports, Medical equipment.
Parametrics
ADM3251EARWZ absolute maximum ratings: (1)VCC, VISO: -0.3 V to +6 V; (2)V+: (VCC . 0.3 V) to +13 V; (3)V-: –13 V to +0.3 V; (4)Input Voltages: -0.3 V to (VCC + 0.3 V); (5)RIN: ±30 V; (6)Output Voltages: ±15 V; (7)ROUT: -0.3 V to (VCC + 0.3 V); (8)Short-Circuit Duration: Continuous; (9)Power Dissipation: θJA, Thermal Impedance: 47.05℃/W; (10)Operating Temperature Range: -40℃ to +85℃; (11)Storage Temperature Range: -65℃ to +150℃; (12)Pb-Free Temperature (Soldering, 30 sec): 260℃.
Features
ADM3251EARWZ features: (1)2.5 kV fully isolated (power and data) RS-232 transceiver; (2)isoPower integrated, isolated dc-to-dc converter; (3)460 kbps data rate; (4)1 Tx and 1 Rx; (5)Meets EIA/TIA-232E specifications; (6)ESD protection on RIN and TOUT pins: ±8 kV: contact discharge, ±15 kV: air gap discharge; (7)0.1 μF charge pump capacitors; (8)High common-mode transient immunity: >25 kV/μs; (9)Safety and regulatory approvals (pending) UL recognition: 2500 V rms for 1 minute per UL 1577; (10)VDE Certificate of Conformity: DIN V VDE V 0884-10 (VDE V 0884-10):2006-12, VIORM = 560 V peak; (11)Operating temperature range: -40℃ to +85℃; (12)Wide body, 20-lead SOIC package.
Diagrams
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 ADM3251EARWZ |
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IC TXRX RS232 ISOLATED 20-SOIC |
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ADM3251EARWZ-REEL |
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IC LINE DVR/RCVR RS232 20-SOIC |
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