UM3232EESE 3V-5.5V RS-232 Transceiver 1Mbps 2Tx/2Rx ±15kV ESD SOIC-16 -40°C to +85°C

UM3232EESE

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Features

andnbsp;Meets True EIA/TIA-232-F Standards from a +3.0V to +5.5V Power Supply

andnbsp;Meets EIA/TIA-562 Levels of andplusmn;3.7V with Supply Voltages as Low as 2.7V

andnbsp;Enhanced ESD Specifications:

andnbsp; andnbsp;andplusmn;15kV Human Body Mode

andnbsp; andnbsp;andplusmn;15kV IEC61000-4-2 Air Discharge Mode

andnbsp; andnbsp;andplusmn;8kV IEC61000-4-2 Contact Discharge Mode

andnbsp;1andmu;A Low Power Shutdown (UM3221E/UM3222E)

andnbsp;250kbps Minimum Transmission Rate

andnbsp;Guaranteed 30V/andmu;s Max Slew Rate

andnbsp;Latch-Up Performance Exceeds 200mA

andnbsp;Hot Swap and Fail-Safe

andnbsp;I/O Logic Compatible with 1.8V Logic @ VCC=3.3V

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Applications

Industrial Automation Equipments

Battery-Powered Equipments

Hand-Held Equipments

POS Terminals

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Description

The UM3221E/UM3222E/UM3232E series are 3.3V powered RS-232 transceivers intended for portable or hand-held applications. The UM3221E has one driver/one receiver while the UM3222E/UM3232E has two drivers/two receivers. The device features low power consumption, high data-rate capability and enhanced ESD protection. The ESD rating of all transmitter outputs and receiver inputs is andplusmn;15kV for both human body mode and IEC61000-4-2 air discharge methods, and over andplusmn;8kV for IEC61000-4-2 contact discharge methods. The logic I/O pins are protected to andplusmn;2kV for human body mode.

Small footprint, low profile package and the use of small 0.1andmu;F capacitors ensure board space savings as well. Data rates greater than 250kbps are guaranteed at worst case load conditions. This family is fully compatible with 3.3V-only systems, mixed 1.8V and 3.3V systems, mixed 3.3V and 5.0V systems and 5.0V-only systems.

The UM3221E/UM3222E has a low-power shutdown mode where the devicesandrsquo; driver outputs and charge pumps are disabled. During shutdown, the supply current falls to less than 1andmu;A that reduces power consumption in battery-powered portable systems or other low power consumption systems. The UM3221E/UM3222E receivers remain active in shutdown mode, allowing monitoring of external signals.

The UM3221E/UM3222E and UM3232E are pin, package, and functionally compatible with the industry standard MAX242 and MAX 232, respectively.

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INFORMATION

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Drawing

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• High quality products --- our offers are 100% new and original, ROHS
• Competitive price --- good Purchase channels with good price.
• Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
• Adequate inventory --- With the support of our strong Purchasing team,
• Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

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