SP3485EN-L/TR

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SP3485EN-L/TR

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IC TRANSCEIVER HALF 1/1 8SOIC

  • HerstellerMaxLinear, Inc.

  • Herstellerteil #SP3485EN-L/TR

  • Paket SOP-8

  • Auf Lager4958

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 20 mV
DataRate 10Mbps
Voltage-Supply 3V ~ 3.6V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The SP3485EN-L/TR is a high-performance, low-power RS-485 transceiver, typically used in communication systems that require balanced data transmission and reception. It is designed to meet the stringent standards of the RS-485 and RS-422 protocols, making it ideal for industrial applications. The device operates at data rates up to 10 Mbps and is typically used in multi-point bus transmission lines.
The SP3485EN-L/TR features a half-duplex configuration, which means it can transmit and receive data, but not simultaneously. It supports a wide operating voltage range from 3.0V to 5.5V and has a low quiescent current, offering energy efficiency. The transceiver is equipped with fail-safe, over-temperature, and short-circuit protection to enhance reliability in harsh environments.
With a small SOIC package, the SP3485EN-L/TR is suitable for space-constrained applications. The device is widely used in applications like industrial automation, building automation, HVAC systems, and any other system requiring robust and reliable serial communication over long distances.

Equivalent

The SP3485EN-L/TR is a low-power RS-485/RS-422 transceiver. Equivalent products include the MAX485 from Maxim Integrated, the SN75176 from Texas Instruments, and the ADM485 from Analog Devices. These alternatives also provide similar functionalities such as low power consumption, half-duplex communication, and compatibility with RS-485/RS-422 protocols. Always consult datasheets to confirm compatibility with your specific application requirements.

Features

The SP3485EN-L/TR is a transceiver designed for RS-485 and RS-422 communication. Key features include:
1. Operating Voltage: It operates on a single 3.3V supply.
2. Data Rate: Supports data rates up to 20 Mbps, making it suitable for high-speed communication.
3. Low Power Consumption: Incorporates a low-power shutdown mode, reducing power consumption to just 1 μA.
4. Bus Load: Can drive up to 32 unit loads, which means it can connect to multiple devices on the same bus.
5. Protection: Offers enhanced ESD protection up to ±15kV using the Human Body Model (HBM) and features short-circuit protection on the driver outputs.
6. Temperature Range: Operates within an extended temperature range, typically from -40°C to +85°C.
7. Receiver Features: Includes a fail-safe feature to ensure the output remains high when inputs are open, shorted, or terminated but undriven.
8. Packaging: Available in an 8-pin SOIC package, which is compact and suitable for space-constrained applications.
These features make it ideal for industrial automation, building management systems, and other applications requiring robust and reliable serial communication.

Pinout

The SP3485EN-L/TR is an RS-485 transceiver. It typically comes in an 8-pin package. Here are the pin functions:
1. RO (Receiver Output): Outputs the data received from the RS-485 bus.
2. RE̅ (Receiver Output Enable): An active-low input to enable the receiver output. When low, the receiver output is enabled.
3. DE (Driver Output Enable): Controls the driver output. When high, the driver outputs are enabled.
4. DI (Driver Input): Data input for the driver.
5. GND: Ground connection.
6. A (Non-inverting Receiver Input/Driver Output): Positive line of the differential bus.
7. B (Inverting Receiver Input/Driver Output): Negative line of the differential bus.
8. VCC: Supply voltage input.
The SP3485EN-L/TR is designed for balanced data transmission and is suitable for use in harsh industrial environments. It supports data rates up to 10 Mbps and features low power consumption, making it ideal for a variety of applications such as industrial automation, HVAC systems, and building automation.

Manufacturer

The SP3485EN-L/TR is manufactured by MaxLinear, Inc. MaxLinear is a publicly traded company that specializes in the design, development, and sale of highly integrated, radio-frequency analog and mixed-signal semiconductor solutions for broadband communications and data center, metro, and long-haul transport network applications. The company's products are used in a variety of applications, including cable and terrestrial broadband access, data center connectivity, and wireless infrastructure. MaxLinear's expertise in RF and mixed-signal technology allows it to deliver high-performance, energy-efficient products tailored for complex communication environments.

Application

The SP3485EN-L/TR is a low-power, half-duplex RS-485 transceiver commonly used in communication networks. Its application areas include industrial automation, where it enables robust data transmission over long distances; building and home automation systems for controlling devices and sensors; and security systems for reliable data exchange. It is also used in energy management systems for monitoring and control, in automotive applications for diagnostics and control networks, and in embedded systems that require reliable serial communication. Additionally, its low power consumption makes it suitable for battery-powered devices. Overall, the SP3485EN-L/TR is ideal for applications requiring efficient and reliable data communication.

Package

The SP3485EN-L/TR is typically packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. This is a surface-mount package commonly used for electronic components that require a compact and low-profile design.

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