MAX3485
Info: : PRODUCTION
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MAX3485

3.3V Powered, 10Mbps and Slew-Rate Limited, True RS-485/RS-422 Transceivers

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 7
1ku List Price Starting From $2.34
Features
  • Operate from a Single 3.3V Supply-No Charge Pump!
  • Interoperable with +5V Logic
  • 8ns Max Skew (MAX3485/MAX3490/MAX3491)
  • Slew-Rate Limited for Errorless Data Transmission (MAX3483/MAX3488)
  • 2nA Low-Current Shutdown Mode (MAX3483/MAX3485/MAX3486/MAX3491)
  • -7V to +12V Common-Mode Input Voltage Range
  • Allows up to 32 Transceivers on the Bus
  • Full-Duplex and Half-Duplex Versions Available
  • Industry Standard 75176 Pinout (MAX3483/MAX3485/MAX3486)
  • Current-Limiting and Thermal Shutdown for Driver Overload Protection
Additional Details
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The MAX3483, MAX3485, MAX3486, MAX3488, MAX3490, and MAX3491 are 3.3V, low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver. The MAX3483 and MAX3488 feature slew-rate-limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250kbps. The partially slew-rate-limited MAX3486 transmits up to 2.5Mbps. The MAX3485, MAX3490, and MAX3491 transmit at up to 10Mbps.

Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic-high output if both inputs are open circuit.

The MAX3488, MAX3490, and MAX3491 feature full-duplex communication, while the MAX3483, MAX3485, and MAX3486 are designed for half-duplex communication.

Applications

  • Industrial Control Local Area Networks
  • Integrated Services Digital Networks
  • Low-Power RS-485/RS-422 Transceivers
  • Packet Switching
  • Telecommunications
  • Transceivers for EMI-Sensitive Applications
Part Models 7
1ku List Price Starting From $2.34

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX3485CPA+
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MAX3485CSA+
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MAX3485CSA+T
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MAX3485EPA+
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MAX3485ESA+
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MAX3485ESA+T
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MAX3485ESA/GG8
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Product Lifecycle

PCN

May 1, 2020

- 1702R

ASSEMBLY

MAX3485CSA+

PRODUCTION

MAX3485CSA+T

PRODUCTION

Nov 9, 2018

- 1702C

ASSEMBLY

MAX3485ESA+

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MAX3485ESA+T

PRODUCTION

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Part Models

Product Lifecycle

PCN

May 1, 2020

- 1702R

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ASSEMBLY

MAX3485CSA+

PRODUCTION

MAX3485CSA+T

PRODUCTION

Nov 9, 2018

- 1702C

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ASSEMBLY

MAX3485ESA+

PRODUCTION

MAX3485ESA+T

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Tools & Simulations

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