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MAX485CPA+

Name: MAX485CPA+
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8DIP

メーカー
Mfr。パート #MAX485CPA+
パッケージ DIP-8
データシート
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Driver
Protocol	RS422, RS485
NumberofDrivers/Receivers	2/0
Voltage-Supply	4.75V ~ 5.25V
OperatingTemperature	0°C ~ 70°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)
Duplex	Half
ReceiverHysteresis	50 mV
DataRate	250kbps
Series	Automotive, AEC-Q100

概要

Description

The MAX485CPA+ is a low-power differential transceiver designed for RS-485 and RS-422 communication. It enables reliable long-distance data transmission in noisy environments, making it ideal for industrial applications, automation, and data acquisition systems.
This device supports a data rate of up to 2.5 Mbps and features a wide supply voltage range of 3.0V to 5.25V, allowing it to operate in various systems. The MAX485CPA+ includes a built-in shutdown mode, reducing power consumption to less than 1 μA when inactive.
The transceiver has a half-duplex operation, meaning it can transmit and receive data over the same pair of wires but not simultaneously. Its small size (DIP package) makes it suitable for compact designs. The device also boasts robust ESD protection, enhancing its durability in harsh environments.
Overall, the MAX485CPA+ is an efficient and versatile choice for establishing reliable serial communication in multi-point networks.

Features

The MAX485CPA+ is a low-power, half-duplex RS-485/RS-422 transceiver designed for high-speed data communication. Key features include:
1. Low Power Consumption: Operates with a supply voltage of 3.0V to 5.5V, drawing minimal current.
2. High-Speed Operation: Capable of data rates up to 2.5 Mbps.
3. Wide Common-Mode Range: Supports a common-mode input range of -7V to +12V, making it suitable for noisy environments.
4. Built-in Termination: Internal resistors simplify design and reduce external components.
5. Low Output and Input Voltage Levels: Ensures compatibility with a variety of devices.
6. Temperature Range: Operates reliably from -40°C to +85°C.
7. Small Package: Available in an 8-pin DIP or SOIC package, facilitating easy integration into designs.
These features make the MAX485CPA+ ideal for industrial automation, building automation, and other applications requiring robust communication over long distances.

Package

The MAX485CPA+ is packaged in an 8-pin DIP (Dual In-line Package).

Pinout

The MAX485CPA+ is a low-power, high-speed transceiver for RS-485 and RS-422 communication. It has a total of 8 pins.
Here are the pin functions:
1. RO (Receiver Output): Outputs the received data.
2. DI (Driver Input): Inputs the data to be transmitted.
3. A (Non-inverting Driver Output): One side of the differential output pair.
4. B (Inverting Driver Output): The other side of the differential output pair.
5. GND: Ground reference for the device.
6. VCC: Power supply input (typically +5V).
7. RE (Receiver Enable): Active low control input to enable the receiver.
8. DE (Driver Enable): Active high control input to enable the driver.
The device is designed for multipoint applications and can operate at data rates up to 2.5 Mbps while consuming low power, making it suitable for long-distance data transmission.

Manufacturer

The MAX485CPA+ is manufactured by Maxim Integrated, which is a subsidiary of Analog Devices, Inc. Maxim Integrated specializes in designing and producing analog and mixed-signal integrated circuits (ICs) for a wide range of applications, including communications, automotive, industrial, and consumer electronics. The company is known for its innovative solutions that enhance performance and efficiency in electronic systems.

Application

The MAX485CPA+ is a low-power, RS-485/RS-422 transceiver commonly used in industrial automation, data acquisition systems, and telecommunications. It is ideal for long-distance communication in noisy environments due to its differential signaling. Applications include remote sensors, factory automation, building automation, and multipoint data transmission networks. Its low power consumption makes it suitable for battery-operated devices as well.

Equivalent

Equivalent products to the MAX485CPA+ chip include the SN75176, LTC1480, and ADM2483. These chips also serve as low-power, half-duplex RS-485/RS-422 transceivers, offering similar functionalities in terms of voltage levels, data rates, and communication distances. Always check specific datasheets for compatibility in your application.