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SN75C3221DBR
Product Overview
Category
SN75C3221DBR 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 RS-232 pins.
- Offers low power consumption in standby mode.
- Compatible with various microcontrollers and UARTs.
Package
SN75C3221DBR comes in a small outline package (SOIC) with 16 pins.
Essence
The essence of SN75C3221DBR lies in its ability to transmit and receive serial data using the RS-232 protocol.
Packaging/Quantity
This product is typically sold in reels, with each reel containing 2500 units.
Specifications
- Supply Voltage: 3 V to 5.5 V
- Data Rate: Up to 1 Mbps
- Operating Temperature Range: -40°C to +85°C
- ESD Protection: ±15 kV (RS-232 pins)
- Package Type: SOIC-16
Detailed Pin Configuration
The pin configuration of SN75C3221DBR is as follows:
Pin 1: GND
Pin 2: T1OUT
Pin 3: R1IN
Pin 4: T1IN
Pin 5: R1OUT
Pin 6: VCC
Pin 7: GND
Pin 8: R2OUT
Pin 9: T2IN
Pin 10: R2IN
Pin 11: T2OUT
Pin 12: GND
Pin 13: C1-
Pin 14: C1+
Pin 15: GND
Pin 16: VCC
Functional Features
- Provides RS-232 line driver and receiver functionality.
- Supports full-duplex communication.
- Offers low power consumption in standby mode.
- Allows for easy integration with microcontrollers and UARTs.
- Provides ESD protection on the RS-232 pins.
Advantages and Disadvantages
Advantages
- Wide operating voltage range allows for flexibility in various applications.
- High data rate capability enables fast serial communication.
- ESD protection ensures robustness against electrostatic discharge.
- Small package size makes it suitable for space-constrained designs.
Disadvantages
- Limited to RS-232 communication protocol, not compatible with other protocols.
- Requires external components for complete functionality.
Working Principles
SN75C3221DBR works by converting the logic-level signals from a microcontroller or UART into RS-232 voltage levels for transmission. It also receives RS-232 signals and converts them back to logic-level signals. The IC incorporates line drivers and receivers to ensure reliable communication over RS-232 lines.
Detailed Application Field Plans
SN75C3221DBR finds application 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 SN75C3221DBR are: - MAX3232EIPWR - SP3232EEN-L/TR - ADM3202ARNZ - LTC1387CG#PBF - ST3232EBDR
These alternatives can be considered based on specific requirements and availability.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN75C3221DBR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of SN75C3221DBR in technical solutions:
1. What is SN75C3221DBR? SN75C3221DBR is a quad differential line receiver that is commonly used in serial communication applications.
2. What is the operating voltage range of SN75C3221DBR? The operating voltage range of SN75C3221DBR is typically between 3V and 5.5V.
3. What is the maximum data rate supported by SN75C3221DBR? SN75C3221DBR supports a maximum data rate of 250 kbps.
4. Can SN75C3221DBR be used for RS-232 communication? Yes, SN75C3221DBR can be used for RS-232 communication as it is compatible with RS-232 voltage levels.
5. Does SN75C3221DBR require external components for operation? Yes, SN75C3221DBR requires external capacitors and resistors for proper operation.
6. What is the input voltage range of SN75C3221DBR? The input voltage range of SN75C3221DBR is typically between -30V and +30V.
7. Can SN75C3221DBR be used in industrial environments? Yes, SN75C3221DBR is suitable for use in industrial environments as it has a wide temperature range and is resistant to electromagnetic interference.
8. Is SN75C3221DBR compatible with TTL logic levels? Yes, SN75C3221DBR is compatible with TTL logic levels as it has a high input impedance.
9. Can SN75C3221DBR be used in half-duplex communication systems? Yes, SN75C3221DBR can be used in half-duplex communication systems as it supports both receive and transmit modes.
10. What is the package type of SN75C3221DBR? SN75C3221DBR is available in a small outline integrated circuit (SOIC) package.
Please note that these answers are general and may vary depending on specific application requirements.