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SN75C3221DBRG4
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SN75C3221DBRG4

Product Overview

Category

SN75C3221DBRG4 belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a line driver or receiver for RS-232 communication.

Characteristics

  • Supports data rates up to 1 Mbps.
  • Operates with a single power supply ranging from 3 V to 5.5 V.
  • Provides ±15 kV ESD protection on the bus pins.
  • Offers low power consumption and high noise immunity.

Package

SN75C3221DBRG4 comes in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN75C3221DBRG4 lies in its ability to facilitate reliable RS-232 communication by providing line driving and receiving capabilities.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of SN75C3221DBRG4 ICs.

Specifications

  • Supply Voltage: 3 V to 5.5 V
  • Data Rate: Up to 1 Mbps
  • ESD Protection: ±15 kV
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOIC

Detailed Pin Configuration

The pin configuration of SN75C3221DBRG4 is as follows:

  1. VCC
  2. GND
  3. RIN
  4. ROUT
  5. CTS
  6. RTS
  7. DCD
  8. DSR
  9. RI
  10. DTR
  11. DSR/DCD
  12. DTR/RI
  13. TxD
  14. RxD

Functional Features

  • Line driving and receiving for RS-232 communication.
  • Support for full-duplex communication.
  • Low power consumption for energy efficiency.
  • High noise immunity for reliable data transmission.
  • ESD protection to safeguard against electrostatic discharge.

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows compatibility with various systems.
  • High data rate capability enables fast communication.
  • ESD protection ensures robustness in harsh environments.
  • Small package size facilitates space-constrained designs.

Disadvantages

  • Limited to RS-232 communication, not suitable for other protocols.
  • May require additional components for complete system integration.

Working Principles

SN75C3221DBRG4 operates by converting the logic-level signals from a microcontroller or other digital device into RS-232 voltage levels. It amplifies and shapes the signals to ensure proper transmission over long distances. On the receiving end, it converts the RS-232 signals back into logic-level signals for further processing.

Detailed Application Field Plans

SN75C3221DBRG4 finds applications in various fields, including: - Industrial automation - Telecommunications - Networking equipment - Point-of-sale systems - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN75C3221DBRG4 are: - MAX3232EIPWR - SP3232EEN-L/TR - ADM3202ARNZ - LTC1387CG#PBF - ST3232EBDR

These alternatives can be considered based on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN75C3221DBRG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN75C3221DBRG4 in technical solutions:

Q1: What is SN75C3221DBRG4? A1: SN75C3221DBRG4 is a quad differential line receiver that is commonly used for RS-232 and RS-485 communication applications.

Q2: What is the operating voltage range of SN75C3221DBRG4? A2: The operating voltage range of SN75C3221DBRG4 is typically between 3V and 5.5V.

Q3: Can SN75C3221DBRG4 be used for both RS-232 and RS-485 communication? A3: Yes, SN75C3221DBRG4 can be used for both RS-232 and RS-485 communication, as it supports both standards.

Q4: What is the maximum data rate supported by SN75C3221DBRG4? A4: SN75C3221DBRG4 supports a maximum data rate of up to 1 Mbps.

Q5: Does SN75C3221DBRG4 have built-in ESD protection? A5: Yes, SN75C3221DBRG4 has built-in ESD protection, which helps protect the device from electrostatic discharge.

Q6: Can SN75C3221DBRG4 be used in industrial environments? A6: Yes, SN75C3221DBRG4 is suitable for use in industrial environments, as it has a wide operating temperature range and is designed to withstand harsh conditions.

Q7: How many receivers are there in SN75C3221DBRG4? A7: SN75C3221DBRG4 has four receivers, allowing it to handle multiple input signals.

Q8: Does SN75C3221DBRG4 require external components for operation? A8: Yes, SN75C3221DBRG4 requires external capacitors and resistors for proper operation.

Q9: Can SN75C3221DBRG4 be used in battery-powered applications? A9: Yes, SN75C3221DBRG4 can be used in battery-powered applications, as it has a low power consumption mode.

Q10: What is the package type of SN75C3221DBRG4? A10: SN75C3221DBRG4 comes in a small outline integrated circuit (SOIC) package.

Please note that these answers are general and may vary depending on specific application requirements.