ISL32272EFVZ

Product Overview

Category: Integrated Circuit (IC)

Use: The ISL32272EFVZ is a high-speed, 3.3V powered, dual-channel RS-232 transceiver. It is designed to interface between TTL logic and RS-232 voltage levels, making it suitable for various communication applications.

Characteristics: - High-speed data transmission - Low power consumption - Wide operating voltage range - ESD protection - Small form factor

Package: The ISL32272EFVZ is available in a small footprint, 20-lead TSSOP package.

Essence: This IC serves as a bridge between TTL logic signals and RS-232 voltage levels, enabling reliable communication between devices operating at different voltage levels.

Packaging/Quantity: The ISL32272EFVZ is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 3.0V to 3.6V
• Data Rate: Up to 1Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 2
• Logic Compatibility: TTL/CMOS
• ESD Protection: ±15kV (Human Body Model)
• RoHS Compliant: Yes

Pin Configuration

The ISL32272EFVZ features a 20-pin TSSOP package with the following pin configuration:

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Pin Name Description

1 VCC Power Supply 2 GND Ground 3 RIN1 Receiver Input Channel 1 4 ROUT1 Receiver Output Channel 1 5 CTS1 Clear To Send Channel 1 6 RTS1 Request To Send Channel 1 7 TIN1 Transmitter Input Channel 1 8 TOUT1 Transmitter Output Channel 1 9 V+ Charge Pump Capacitor Positive Terminal 10 C1- Charge Pump Capacitor Negative Terminal 11 RIN2 Receiver Input Channel 2 12 ROUT2 Receiver Output Channel 2 13 CTS2 Clear To Send Channel 2 14 RTS2 Request To Send Channel 2 15 TIN2 Transmitter Input Channel 2 16 TOUT2 Transmitter Output Channel 2 17 SHDN Shutdown Control Input 18 V- Charge Pump Capacitor Negative Terminal 19 NC No Connection 20 VCC Power Supply ```

Functional Features

• TTL to RS-232 voltage level conversion
• Automatic power-down mode for reduced power consumption
• Enhanced ESD protection for improved reliability
• Supports full-duplex communication
• Integrated charge pump for generating RS-232 voltage levels

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Wide operating voltage range allows compatibility with various systems - Small form factor enables space-efficient designs - ESD protection enhances device durability

Disadvantages: - Limited to RS-232 communication, not compatible with other protocols - Requires external capacitors for charge pump operation

Working Principles

The ISL32272EFVZ operates by converting TTL logic signals into RS-232 voltage levels. It utilizes an integrated charge pump to generate the required voltage levels for RS-232 communication. The transceiver supports full-duplex communication, allowing simultaneous transmission and reception of data.

Detailed Application Field Plans

The ISL32272EFVZ finds applications in various fields, including but not limited to: - Industrial automation - Telecommunications - Networking equipment - Point-of-sale systems - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the ISL32272EFVZ that offer similar functionality include: - MAX3232EIPWR - SP3232EEN-L/TR - ADM3202ARNZ

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

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