Exar Corporation
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SP3221ECY-L/TR
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SP3221ECY-L/TR

Product Overview

Category

SP3221ECY-L/TR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for serial communication applications.

Characteristics

  • Package: The SP3221ECY-L/TR comes in a small outline package (SOP) format.
  • Essence: It is a high-speed RS-232 transceiver.
  • Packaging/Quantity: The IC is typically packaged in reels and available in large quantities.

Specifications

The specifications of SP3221ECY-L/TR include:

  • Supply Voltage: 3.0V to 5.5V
  • Data Rate: Up to 250kbps
  • Number of Channels: 2
  • Operating Temperature Range: -40°C to +85°C
  • ESD Protection: ±15kV Human Body Model (HBM)

Detailed Pin Configuration

The pin configuration of SP3221ECY-L/TR is as follows:

  1. VCC
  2. GND
  3. TOUT1
  4. RIN1
  5. RIN2
  6. TOUT2
  7. C1-
  8. C1+
  9. C2+
  10. C2-

Functional Features

The SP3221ECY-L/TR offers the following functional features:

  • High-speed data transmission up to 250kbps.
  • Integrated charge pump for voltage conversion.
  • Low power consumption.
  • Enhanced ESD protection for robustness.
  • Supports RS-232 signaling levels.

Advantages and Disadvantages

Advantages: - High-speed data transfer capability. - Wide operating voltage range. - Compact SOP package. - Robust ESD protection.

Disadvantages: - Limited number of channels (2). - Requires external capacitors for voltage conversion.

Working Principles

The SP3221ECY-L/TR operates based on the RS-232 standard. It uses a charge pump to convert the supply voltage to the required RS-232 signaling levels. The IC then transmits and receives data through the respective channels, providing reliable serial communication.

Detailed Application Field Plans

SP3221ECY-L/TR finds applications in various fields, including:

  1. Industrial automation: Used for communication between PLCs and other industrial devices.
  2. Telecommunications: Enables serial communication between modems, routers, and other network equipment.
  3. Consumer electronics: Facilitates data exchange between computers, printers, and peripherals.
  4. Automotive: Supports communication in automotive diagnostic systems and onboard computers.

Detailed and Complete Alternative Models

Some alternative models to SP3221ECY-L/TR are:

  1. MAX3232EIPWR
  2. ADM3202ARNZ
  3. MAX232CPE
  4. LTC1480CN8
  5. ST3232EBDR

These models offer similar functionality and can be considered as alternatives to SP3221ECY-L/TR.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SP3221ECY-L/TR i tekniske løsninger

  1. What is the maximum data rate supported by SP3221ECY-L/TR?
    - The maximum data rate supported by SP3221ECY-L/TR is 1Mbps.

  2. What is the operating voltage range of SP3221ECY-L/TR?
    - The operating voltage range of SP3221ECY-L/TR is 3V to 5.5V.

  3. Can SP3221ECY-L/TR be used in industrial applications?
    - Yes, SP3221ECY-L/TR is suitable for use in industrial applications.

  4. Does SP3221ECY-L/TR have built-in ESD protection?
    - Yes, SP3221ECY-L/TR features built-in ESD protection up to ±15kV.

  5. What is the typical quiescent current consumption of SP3221ECY-L/TR?
    - The typical quiescent current consumption of SP3221ECY-L/TR is 300μA.

  6. Is SP3221ECY-L/TR compatible with RS-232 standard?
    - Yes, SP3221ECY-L/TR is fully compliant with the RS-232 standard.

  7. Can SP3221ECY-L/TR operate in half-duplex mode?
    - Yes, SP3221ECY-L/TR can operate in half-duplex mode.

  8. What is the temperature range for which SP3221ECY-L/TR is rated?
    - SP3221ECY-L/TR is rated for a temperature range of -40°C to 85°C.

  9. Does SP3221ECY-L/TR support automatic power-down mode?
    - Yes, SP3221ECY-L/TR supports automatic power-down mode for power saving.

  10. Is SP3221ECY-L/TR RoHS compliant?
    - Yes, SP3221ECY-L/TR is RoHS compliant, making it environmentally friendly.