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RS232/RS422/RS485 Transceiver, 2 Drivers, 3V to 5.5V Supply, SSOP-24


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MAX3161ECAG+   Datasheet
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Product Overview

The MAX3161ECAG+ is a ±15KV ESD protected 3V to 5.5V, 10nA, RS232/RS485/ RS422 multiprotocol transceiver in 24 pin SSOP package. It is pin programmable as either 2 transmitter/2 receiver RS232 interface or a single half/full duplex RS485/RS422 transceiver. It features enhanced electrostatic discharge (ESD) protection. The transmitter outputs and receiver inputs are protected to ±15KV using the Human Body Model. This device incorporate a low dropout transmitter output stage and an onboard dual charge pump to allow RS232 and RS485/RS422 compliant performance from a +3V to +5.5V supply. It also feature pin selectable transmitter slew rates for RS232 and RS485/RS422 modes. Slew rate limiting minimizes EMI and reduces reflections caused by improperly terminated cables allowing error free data transmission up to 250Kbps. Disabling slew rate limiting allows this device to transmit at data rates up to 10Mbps in RS485/RS422 mode and up to 1Mbps in RS232 mode.
  • Allows up to 256 transceivers on the bus
  • Operating temperature range from 0°C to 70°C
  • Transmitters and receivers protected against wiring faults
  • True fail-safe receiver prevents false transition on receiver input short or open
  • Short circuit protection over the entire common mode voltage range
  • Thermal protection from excessive power dissipation
  • Integrated charge pump circuitry saves board space
  • 1µA shutdown supply current saves power


Communications & Networking, Portable Devices, Industrial, Security


Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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RS232, RS422, RS485











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Technical Docs (3)

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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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More stock available to supplier lead times which is approximately 17/10/22

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