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MAX3140EEI+

UART Interface, 1 Channel, 10 Mbps, 4.75 V, 5.25 V, QSOP, 28 Pins

Date/Lot Code
MAXIM INTEGRATED / ANALOG DEVICES MAX3140EEI+
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Manufacturer Part No:
MAX3140EEI+
Newark Part No.:
73Y3301
Technical Datasheet:
MAX3140EEI+   Datasheet
See all Technical Docs

Product Overview

The MAX3140EEI+ is a SPI/MICROWIRE-compatible UART with integrated true fail-safe RS485/RS422 transceiver in 28 pin QSOP package. It includes a single RS485/RS422 driver and receiver featuring true fail-safe circuitry which gives logic-high receiver output when the receiver inputs are open or shorted. This feature provides immunity to faults without requiring complex termination. It provides software-selectable control of half duplex or full duplex operation, data rate, slew rate, transmitter and receiver phase. The RS485 driver slew rate is programmable to minimize EMI and results in maximum data rates of 115Kbps, 500Kbps and 10Mbps. A 1/8-unit-load receiver input impedance allows up to 256 transceivers on the bus. It is used in HVAC and building control, point of sale devices, transceivers for EMI-sensitive applications, embedded systems & intelligent instrumentation.
  • Supply voltage range is 4.75V to 5.25V
  • Operating temperature range from -40°C to 85°C
  • SPI/MICROWIRE compatible interface saves µC I/O pins
  • Receiver/transmitter phase for twisted-pair polarity reversal
  • Full featured UART, programmable up to 230k baud with a 3.6864MHz crystal
  • 8-word receive FIFO minimizes processor overhead, 9bit address recognition interrupt
  • Low supply current of 20µA hardware shutdown mode
  • Hardware/software compatible with MAX3100 and MAX3089
  • Typical driver rise or fall time of 530ns

Applications

Communications & Networking, Industrial, Automation & Process Control

Warnings

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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:
1 Channel

:
10Mbps

:
4.75V

:
5.25V

:
QSOP

:
28Pins

:
-40°C

:
85°C


:
MSL 1 - Unlimited

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Technical Documents (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
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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Available for back order

More stock available to supplier lead times which is approximately 12/4/23

Delivery in 2-4 business days
(UK Stock)

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

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