ADM3490EARZ
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Analog Devices Inc. ADM3490EARZ

Manufacturer No:
ADM3490EARZ
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC TRANSCEIVER FULL 1/1 8SOIC
Delivery:
Payment:
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iso9001
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Product Introduction

Overview

The ADM3490EARZ is a 3.3 V, low-power, full-duplex data transceiver designed for multipoint bus transmission lines, complying with TIA/EIA standards RS-485 and RS-422. Manufactured by Analog Devices Inc., this component is suitable for balanced data transmission and is particularly useful in applications requiring high-speed data communication.

Key Specifications

Parameter Value Unit Comments
Guaranteed Data Rate 10 Mbps Mbps
Supply Voltage 3.3 V V
Duplex Mode Full-duplex
Receiver Input Impedance 12 kΩ Allows up to 32 transceivers on the bus
ESD Protection on Bus Pins ±15 kV kV
Common-mode Input Range -7 V to +12 V V
Receiver Hysteresis 50 mV mV
Package Type 8-lead SOIC_N
Thermal Shutdown Yes Prevents excessive power dissipation
Low Power Shutdown Current Typically 2 nA nA In shutdown mode

Key Features

  • Slew rate limited drivers to reduce EMI and reflections from improperly terminated buses.
  • Fail-safe receiver design ensuring a logic high output when inputs are floating.
  • Thermal shutdown circuit to prevent excessive power dissipation caused by bus contention or output shorting.
  • Low power shutdown mode with a typical supply current of 2 nA.
  • Industry-standard 75176 pinout.
  • High-Z outputs when disabled or powered off.
  • ±15 kV ESD protection on bus pins.

Applications

  • Power and energy metering.
  • Telecommunications.
  • EMI-sensitive systems.
  • Industrial control systems.
  • Local area networks (LANs).

Q & A

  1. What is the guaranteed data rate of the ADM3490EARZ?

    The guaranteed data rate is up to 10 Mbps.

  2. What is the supply voltage for the ADM3490EARZ?

    The supply voltage is 3.3 V.

  3. Does the ADM3490EARZ support full-duplex communication?

    Yes, it supports full-duplex communication.

  4. How many transceivers can be connected on the bus with the ADM3490EARZ?

    Up to 32 transceivers can be connected on the bus due to the 12 kΩ receiver input impedance.

  5. What is the ESD protection level on the bus pins of the ADM3490EARZ?

    The ESD protection level is ±15 kV.

  6. What is the common-mode input range of the ADM3490EARZ?

    The common-mode input range is -7 V to +12 V.

  7. Does the ADM3490EARZ have thermal shutdown protection?

    Yes, it has thermal shutdown protection to prevent excessive power dissipation.

  8. What is the typical current draw in low power shutdown mode?

    The typical current draw in low power shutdown mode is 2 nA.

  9. What package type is the ADM3490EARZ available in?

    The ADM3490EARZ is available in an 8-lead SOIC_N package.

  10. What are some typical applications of the ADM3490EARZ?

    Typical applications include power and energy metering, telecommunications, EMI-sensitive systems, industrial control systems, and local area networks.

Product Attributes

Type:Transceiver
Protocol:RS422, RS485
Number of Drivers/Receivers:1/1
Duplex:Full
Receiver Hysteresis:50 mV
Data Rate:10Mbps
Voltage - Supply:3V ~ 3.6V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number ADM3490EARZ ADM3491EARZ ADM3490ARZ
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active
Type Transceiver Transceiver Transceiver
Protocol RS422, RS485 RS422, RS485 RS422, RS485
Number of Drivers/Receivers 1/1 1/1 1/1
Duplex Full Full Full
Receiver Hysteresis 50 mV 50 mV 50 mV
Data Rate 10Mbps 10Mbps 10Mbps
Voltage - Supply 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 14-SOIC 8-SOIC

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