ADM3072E
Info: : PRODUCTION
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ADM3072E

3.3 V, ⅛ Load, ±15kV ESD Protected, RS-485/RS-422 Transceiver (Half Duplex, 250 kbps, DE/RE)

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $2.01
Features
  • −40°C to +125°C temperature option
  • Hot-swap input structure on DE and RE pins
  • Reduced slew rates for low EMI
  • Low power shutdown current (all except ADM3071E/ ADM3074E/ADM3077E)
  • Outputs high-Z when disabled or powered off
  • Common-mode input range: −7 V to +12 V
  • Thermal shutdown and short-circuit protection
  • 8-lead and 14-lead narrow SOIC packages
Additional Details
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The ADM307xE are 3.3 V, low power data transceivers with ±15 kV ESD protection suitable for full- and half-duplex communication on multipoint bus transmission lines. They are designed for balanced data transmission, and they comply with TIA/EIA standards: RS-485 and RS-422.

The devices have a ⅛ unit load receiver input impedance, which allows up to 256 transceivers on a bus. Because only one driver should be enabled at any time, the output of a disabled or powered-down driver is tristated to avoid overloading the bus.

The receiver inputs have a true fail-safe feature, which eliminates the need for external bias resistors and ensures a logic high output level when the inputs are open or shorted. This guarantees that the receiver outputs are in a known state before communication begins and when communication ceases.

Applications

  • Power/energy metering
  • Industrial control
  • Lighting systems
  • Telecommunications
  • Security systems
  • Instrumentation
Part Models 4
1ku List Price Starting From $2.01

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Documentation

Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADM3072EARZ
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ADM3072EARZ-REEL7
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ADM3072EYRZ
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ADM3072EYRZ-REEL7
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  • HTML
Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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EVAL-RS485HDEBZ

Standard RS-485 Half-Duplex Evaluation Board, EVAL-RS485HDEBZ

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EVAL-RS485HDEBZ

Standard RS-485 Half-Duplex Evaluation Board, EVAL-RS485HDEBZ

Standard RS-485 Half-Duplex Evaluation Board, EVAL-RS485HDEBZ

Product Detail

The EVAL-RS485HDEBZ allows quick and easy evaluation of half-duplex RS-485 transceivers with standard 8-lead SOIC footprints. The evaluation board allows interfacing via screw terminal block to digital I/O for driver input (DI), receiver output (RO), driver enable (DE) and receiver output (RO). Bus signals A and B (half-duplex bus) can be connected to a bus screw terminal block. One or two termination resistors can be connected to A and B via jumper settings, in order to evaluation the half-duplex RS-485 driver and receiver. Footprints are provided for pull-up and pull-down (biasing resistors) on the bus.

Devices for evaluation on the board must be ordered separately.

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