ST3232BDR

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ST3232BDR

+BOM

IC TRANSCEIVER FULL 2/2 16SO

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Transceiver
Protocol RS232
NumberofDrivers/Receivers 2/2
Duplex Full
ReceiverHysteresis 300 mV
DataRate 400kbps
Voltage-Supply 3V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

Overview

Description

ST3232BDR refers to a specific model of an RS-232 transceiver integrated circuit designed by Texas Instruments. This chip is used for converting signals between RS-232 serial ports and TTL/CMOS logic levels. Typical applications include facilitating communication between computers and peripheral devices such as modems or other serial devices.
The ST3232BDR operates on a wide range of power supply voltages, making it suitable for various systems. It features low power consumption, thanks to its charge pump technology, which eliminates the need for external capacitors. The device provides two drivers and two receivers, enabling full-duplex communication.
Key characteristics include a high data rate capability, ESD protection for enhanced reliability, and compatibility with industry-standard RS-232 specifications. Its small form factor and low power requirements make it ideal for portable and battery-powered applications.
The ST3232BDR is widely used in embedded systems, industrial automation, and consumer electronics where robust serial communication is necessary. Its ease of use and reliable performance make it a popular choice for designers and engineers.

Equivalent

The ST3232BDR is a RS-232 transceiver. Equivalent products include:
1. MAX3232 from Maxim Integrated
2. SP3232 from Exar (now MaxLinear)
3. ICL3232 from Renesas
4. TLV3201 from Texas Instruments
5. ADM3232 from Analog Devices
These chips offer similar functionality and can be used as substitutes in circuits designed for RS-232 communication. Always verify the datasheets for compatibility with specific applications.

Features

The ST3232BDR is a dual RS-232 driver and receiver from STMicroelectronics, designed for communication interfaces. Key features include:
1. Power Supply: Operates from a single +3.0V to +5.5V power supply, making it versatile for various applications.
2. Low Power Consumption: Incorporates a low-power shutdown mode reducing power consumption to virtually zero.
3. Data Rate: Supports a data rate up to 250 kbps, which is suitable for standard RS-232 communication.
4. ESD Protection: Provides ESD protection greater than ±15kV for the human body model, enhancing reliability.
5. External Components: Requires only four small external capacitors (100 nF) for operation, simplifying design.
6. Pin Configuration: Comes in a 16-pin SO package, facilitating easy integration into existing designs.
7. Temperature Range: Operates over a wide industrial temperature range from -40°C to +85°C.
8. Compatibility: Compatible with TIA/EIA-232-F standards, ensuring broad compatibility with various devices.
These features make the ST3232BDR suitable for battery-powered, handheld, and other low-power applications requiring reliable RS-232 communication.

Pinout

The ST3232BDR is a dual RS-232 driver/receiver IC designed for serial communication interfaces. It features 16 pins and operates with a supply voltage range of 3.0V to 5.5V. Here is a brief overview of its pin functions:
1. VCC: Supply voltage input.
2. GND: Ground.
3. C1+: Positive terminal of the external capacitor C1.
4. C1-: Negative terminal of the external capacitor C1.
5. C2+: Positive terminal of the external capacitor C2.
6. C2-: Negative terminal of the external capacitor C2.
7. T1IN: First transmitter input.
8. T2IN: Second transmitter input.
9. R1OUT: First receiver output.
10. R2OUT: Second receiver output.
11. R1IN: First receiver input.
12. R2IN: Second receiver input.
13. T1OUT: First transmitter output.
14. T2OUT: Second transmitter output.
15. EN: Enable pin (note: not all versions have this pin).
16. DIS: Disable pin (note: not all versions have this pin).
The device is used to convert logic levels to RS-232 levels and vice versa, enabling communication between microcontrollers and RS-232 compatible devices.

Manufacturer

The ST3232BDR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. It serves various applications in different sectors, including automotive, consumer electronics, industrial, and communication equipment. The company is known for its innovation and expertise in areas like microcontrollers, sensors, power management, and analog devices. STMicroelectronics is one of the leading players in the semiconductor industry, providing advanced solutions and technologies that drive advancements in electronics and improve the efficiency of electronic devices.

Application

The ST3232BDR is primarily used in applications requiring RS-232 serial communication. Its typical application areas include:
1. Computing Devices: Interfaces between microcontrollers and PCs.
2. Networking Equipment: Used in routers and switches for console management.
3. Industrial Automation: Facilitates serial communication in PLCs and industrial machines.
4. Consumer Electronics: Connects devices like set-top boxes and gaming consoles to peripherals.
5. Medical Devices: Ensures reliable data transfer in diagnostic and monitoring equipment.
6. Instrumentation: Provides communication interfaces in measurement and control instruments.
Its small size and low power consumption make it suitable for portable and battery-operated devices.

Package

The ST3232BDR is packaged in a small-outline SO-16 package, which is designed for surface-mount technology (SMT). It typically serves applications requiring RS-232 communication in compact devices.

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