SP3222EEY-L/TR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Serial Transceiver
• Characteristics: High-speed, low-power, RS-232 transceiver
• Package: 16-pin SSOP (Shrink Small Outline Package)
• Essence: Facilitates bidirectional data transfer between a microcontroller and RS-232 devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.0V to 5.5V
• Data Rate: Up to 1Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 2
• Interface Standards: RS-232
• RoHS Compliant: Yes

Detailed Pin Configuration

The SP3222EEY-L/TR has a total of 16 pins, which are assigned as follows:

1. VCC - Power Supply
2. GND - Ground
3. T1OUT - Transmit Data Output Channel 1
4. R1IN - Receive Data Input Channel 1
5. R1OUT - Receive Data Output Channel 1
6. T1IN - Transmit Data Input Channel 1
7. SHDN - Shutdown Control Input
8. NC - No Connection
9. NC - No Connection
10. V+ - Positive Charge Pump Capacitor
11. C1- - Negative Charge Pump Capacitor
12. C1+ - Positive Charge Pump Capacitor
13. R2OUT - Receive Data Output Channel 2
14. T2IN - Transmit Data Input Channel 2
15. T2OUT - Transmit Data Output Channel 2
16. R2IN - Receive Data Input Channel 2

Functional Features

• Supports RS-232 voltage levels (-25V to +25V)
• Integrated charge pump for voltage level conversion
• Auto-power-down mode for power saving
• Enhanced ESD protection for robustness
• Suitable for battery-powered applications

Advantages and Disadvantages

Advantages

• High-speed data transfer up to 1Mbps
• Low power consumption
• Small form factor package
• Wide operating temperature range
• RoHS compliant

Disadvantages

• Limited number of channels (2)
• Requires external capacitors for charge pump operation

Working Principles

The SP3222EEY-L/TR is designed to enable bidirectional communication between a microcontroller and RS-232 devices. It utilizes an integrated charge pump to convert the voltage levels between the microcontroller's logic levels and the RS-232 standard levels. This allows seamless data transmission and reception between the two systems.

Detailed Application Field Plans

The SP3222EEY-L/TR is commonly used in various applications, including:

1. Industrial automation systems
2. Point-of-sale terminals
3. Networking equipment
4. Medical devices
5. Consumer electronics

Detailed and Complete Alternative Models

1. MAX3232EIPWR - Maxim Integrated
2. ADM3202ARUZ-REEL7 - Analog Devices Inc.
3. ST3232EBDR - STMicroelectronics
4. LTC1380CN8#PBF - Linear Technology/Analog Devices
5. HIN202CBN-T - Renesas Electronics Corporation

These alternative models offer similar functionality and can be considered as substitutes for the SP3222EEY-L/TR.

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