MAX487ECPA

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MAX487ECPA

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IC TRANSCEIVER HALF 1/1 8DIP

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Especificações

Atributo Valor
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)

Visão Geral

Description

The MAX487ECPA is Maxim/Analog Devices’ RS-485/RS-422 transceiver. It combines a differential line driver and receiver in an 8-pin package for half‑duplex multi‑point networks.
Key points:
- RS-485/RS-422 compatible, 1/8 unit‑load on the bus
- Fail‑safe receiver (RO goes high if inputs are open/shorted/idle)
- Low-power, single-supply operation
- DE/RE control for direction and enable
- Extended temperature rating (suffix E) and packaging details shown by CPA suffix
Typical uses:
- Industrial automation, building automation, PLCs, remote data collection over long cables
Notes:
- Speed and exact electrical specs vary by variant; consult the MAX487ECPA datasheet for current, voltage ranges, and the precise temperature range.
If you need, I can pull the exact specs from the datasheet.

Equivalent

Equivalent RS-485/RS-422 transceivers to MAX487ECPA include:
- Texas Instruments: SN65HVD25x family
- STMicroelectronics: SP348x family (SP3485, SP3482, SP3483)
- Analog Devices: ADM485, ADM2483
- NXP: P82B715
Note: verify supply voltage (3.3V/5V), 1/8‑unit load, and pinout compatibility; consult datasheets for exact drop-in compatibility.

Features

Here are the typical features of MAX487ECPA (RS-485/RS-422 transceiver, extended-temp version in an 8-pin package):
- 5V single-supply operation (4.75V–5.25V)
- 1-driver, 1-receiver, 2-wire RS-485/RS-422 transceiver
- 1/8-unit-load on the RS-485 bus (supports multiple nodes)
- Data rate up to about 10 Mbps
- DE and RE pins for easy direction control (half-duplex)
- Fail-safe receiver: guaranteed high output on open/short/idle bus
- Differential A/B outputs; receiver input common-mode range suitable for RS-485 networks
- ESD/overvoltage protection on bus pins
- Low quiescent current; optional power-down/shutdown mode
- Extended temperature range (-40°C to +85°C)
- 8-pin package (CPA/compatible) for compact design
Note: exact numbers can vary by sub-variant; refer to the specific datasheet for MAX487ECPA for precise specs.

Pinout

- Pin count: 8 pins (8-pin package, e.g., SOIC/DIP).
- Function: RS-485/RS-422 transceiver with one driver and one receiver for half‑duplex differential communication. DI drives the A/B bus via the driver when DE is asserted; RO is the receiver output controlled by RE. Includes bus pins A and B, plus Vcc and GND.

Manufacturer

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

Application

Typical applications for the MAX487ECPA (RS-485/RS-422 transceiver):
- Industrial automation and process-control networks (RS-485/RS-422)
- Building automation and HVAC control systems
- PLC/RTU communications and data acquisition
- Remote monitoring and control over long cable runs
- Multi-point sensor/actuator networks in noisy environments

Package

8-pin SOIC (SOIC-8) plastic package.

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