MAX487ECPA

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MAX487ECPA

IC TRANSCEIVER HALF 1/1 8DIP

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規格

Supplier Analog Devices Inc./Maxim Integrated
Package Tube
ProductStatus Obsolete
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 70 mV
DataRate 250kbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C
MountingType Through Hole
Package/Case 8-DIP (0.300, 7.62mm)

概述

Description

MAX487ECPA is Maxim Integrated’s RS-485/RS-422 transceiver in an 8-pin CPA package. It provides a single-supply differential transmitter and receiver for half-duplex RS-485 or full-duplex RS-422 networks. Key features typically include a fail-safe receiver (outputs a logic-high if the bus is idle or faulted), separate transmitter enable (DE) and receiver enable (RE) pins, and low-power operation with optional shutdown. It’s suited for industrial and building-automation networks, PLCs, instrumentation, and remote sensing. For exact electrical specs (data rate, voltage ranges, thresholds, temperature range) and pinout, consult the MAX487ECPA datasheet.

Package

MAX487ECPA comes in an 8-pin Small Outline package (SOIC). It is RoHS-compliant.

Pinout

8 pins. It is a single-channel RS-485/RS-422 transceiver (MAX487) with one driver and one receiver: DI data input, RO receiver output, DE driver‑enable, /RE receiver‑enable, A/B differential bus pins, and Vcc/GND power pins.

Manufacturer

- Manufacturer: Maxim Integrated (now part of Analog Devices).
- What kind of company: An American semiconductor company that designs and manufactures analog and mixed-signal integrated circuits.

Application

MAX487ECPA is a 5V, half‑duplex RS‑485/RS‑422 transceiver with extended temperature range. Typical applications:
- Industrial automation and process control networks (multi-point RS‑485 buses)
- Building automation (HVAC, lighting, security)
- Telemetry and remote data acquisition
- PLC/RTU and SCADA interfaces
- Motor-drive and machine-control communications
- Instrumentation and data logging in harsh environments

Equivalent

MAX487ECPA is an 8-pin, 5V RS-485/RS-422 transceiver. Common equivalents from other vendors include:
- Texas Instruments: SN65HVD178/179 (RS-485 transceivers)
- STMicroelectronics: ST485/ST485A
- Analog Devices: ADM485
Note: verify exact pinout, packaging, and temperature range; use a formal cross-reference from a distributor for exact matching.

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