MAX491CPD+

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MAX491CPD+

IC TRANSCEIVER FULL 1/1 14DIP

  • Nhà sản xuất
  • Ông. Phần #MAX491CPD+
  • Gói DIP-14
  • Bảng dữ liệu
  • Có sẵn575

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tube
ProductStatus Obsolete
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Full
ReceiverHysteresis 70 mV
DataRate 2.5Mbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C
MountingType Through Hole
Package/Case 14-DIP (0.300, 7.62mm)

Tổng quan

Description

The MAX491CPD+ is a high-speed, low-power, RS-485/RS-422 transceiver designed for reliable data transmission in industrial and networking applications. It operates over a wide voltage range, typically from 3.0V to 5.5V, making it versatile for various designs. The device features a differential output, which enhances noise immunity and supports long cable runs up to 4000 feet.
This transceiver supports data rates up to 10 Mbps and incorporates a fail-safe feature to ensure that the line defaults to a known state in the absence of a driver. The MAX491CPD+ also has a low-power shutdown mode, reducing power consumption when the device is idle.
With its robust performance, the MAX491CPD+ is ideal for applications such as industrial automation, building automation, and other systems requiring reliable serial communication over long distances. The device comes in a compact DIP package, facilitating easy integration into various circuit designs.

Features

The MAX491CPD+ is a low-power, high-speed RS-485/RS-422 transceiver designed for data communication in differential signaling applications. Key features include:
1. Dual Differential Drivers and Receivers: Supports full-duplex operation.
2. Low Supply Voltage: Operates from a single 5V supply.
3. High Data Rate: Capable of data rates up to 2.5 Mbps.
4. Wide Operating Temperature: Suitable for -40°C to +85°C environments.
5. Low Power Consumption: Consumes just 120 µA in shutdown mode.
6. Fail-Safe Design: Provides a logic high output when inputs are open or shorted.
7. Common-Mode Voltage Range: Supports a wide common-mode voltage range, enhancing noise immunity.
8. Compact Package: Available in a 16-pin DIP or SOIC package, ideal for space-constrained applications.
Overall, the MAX491CPD+ is designed for reliable, efficient communication in industrial, automotive, and telecommunications applications.

Package

The MAX491CPD+ is provided in a 16-pin dual in-line package (DIP), which is designed for through-hole mounting. This package type facilitates easy integration into circuit boards while ensuring robust connections.

Pinout

The MAX491CPD+ is a low-power, dual-channel, differential line driver/receiver designed for RS-485 and RS-422 applications. It features a total of 8 pins.
### Pin Count and Functions:
1. 1 (A) - Non-inverting differential output.
2. 2 (B) - Inverting differential output.
3. 3 (Y) - Non-inverting receiver input.
4. 4 (Z) - Inverting receiver input.
5. 5 (GND) - Ground.
6. 6 (VCC) - Positive supply voltage (typically +5V).
7. 7 (RO) - Receiver output (to the microcontroller or other logic).
8. 8 (RE/DE) - Receive Enable/Driver Enable pin (controls the operation mode).
The MAX491CPD+ can operate in half-duplex mode and supports data rates up to 2.5 Mbps, making it suitable for communication over long distances in noisy environments.

Manufacturer

The MAX491CPD+ is manufactured by Maxim Integrated, which is a part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in designing and manufacturing analog and mixed-signal integrated circuits (ICs). The company focuses on providing innovative solutions for various applications, including automotive, industrial, communications, and consumer electronics. They are known for their high-performance products, such as amplifiers, data converters, and power management ICs, catering to the needs of engineers and designers in the electronics industry.

Application

The MAX491CPD+ is a digital isolator used primarily in applications requiring signal isolation and noise immunity. Key application areas include industrial automation, data acquisition systems, communication interfaces, medical equipment, and power supply isolation. It is suitable for isolating digital signals in environments with high electromagnetic interference or where safety regulations mandate electrical isolation between different circuit sections.

Equivalent

The MAX491CPD+ chip is a low-power, high-speed RS-485/RS-422 transceiver. Equivalent products include:
1. SN75176B - Texas Instruments
2. LT1785 - Linear Technology
3. ADM2483 - Analog Devices
4. SP485 - Sipex (now part of Exar)
5. ISL3280E - Renesas
Always verify specifications for compatibility based on application requirements.

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FedEx: Chi phí vận chuyển dao động từ $ 25- $ 40 (0,5kg), với thời gian giao hàng ước tính là 3-7 ngày làm việc.

Sản phẩm UPS: Chi phí vận chuyển dao động từ $ 25- $ 45 (0,5kg), với thời gian giao hàng ước tính là 3-7 ngày làm việc.

TNT: Chi phí vận chuyển dao động từ $ 25- $ 65 (0,5kg), với thời gian giao hàng ước tính là 3-7 ngày làm việc.

EMS: Chi phí vận chuyển dao động từ $ 30- $ 50 (0,5kg), với thời gian giao hàng ước tính là 7-15 ngày làm việc.

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