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MAX3245CAI+

Name: MAX3245CAI+
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 3/5 28SSOP

製造商
製造商。部分 #MAX3245CAI+
包 SSOP-28
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規格

Package	Tube,Tube
ProductStatus	Obsolete
Type	Transceiver
Protocol	RS232
NumberofDrivers/Receivers	3/5
Duplex	Full
ReceiverHysteresis	500 mV
DataRate	1Mbps
Voltage-Supply	3V ~ 5.5V
OperatingTemperature	0°C ~ 70°C
MountingType	Surface Mount
Package/Case	28-SSOP (0.209, 5.30mm Width)

概述

Description

The MAX3245CAI+ is a CMOS RS-232 transceiver designed for low-power applications in portable devices. It provides a data rate of up to 250 kbps and operates over a wide voltage range, typically from 3.0V to 5.5V. This device features a small footprint, making it suitable for space-constrained designs.
The MAX3245CAI+ integrates a charge pump, allowing it to generate the necessary voltage levels for RS-232 communication from a single power supply, reducing the number of required external components. It includes features such as a low quiescent current and automatic shutdown to conserve battery life.
With support for up to 4 drivers and 5 receivers, it is an ideal choice for applications requiring multiple serial connections. The device is commonly used in handheld devices, laptops, and other portable systems where RS-232 communication is needed. Its robust design ensures reliable performance while meeting stringent power consumption requirements.

Features

The MAX3245CAI+ is a low-power, dual transceiver designed for RS-232 communication. Key features include:
1. Dual Transceiver: Supports two full-duplex RS-232 communication channels.
2. Voltage Range: Operates from a single 3V to 5.5V supply.
3. Low Power Consumption: Consumes only 2 µA in shutdown mode, making it suitable for battery-operated devices.
4. Data Rates: Capable of supporting data rates up to 250 kbps.
5. Integrated Level Shifting: Provides ±15 kV ESD protection on the RS-232 pins.
6. Built-in Charge Pump: Generates the necessary voltage levels for RS-232 signaling without external components.
7. Small Package: Available in a compact 28-pin SSOP or TSSOP package.
8. Wide Temperature Range: Operates from -40°C to +85°C, suitable for industrial applications.
These features make the MAX3245CAI+ ideal for portable devices, industrial equipment, and communication systems requiring reliable serial data transmission.

Package

The MAX3245CAI+ is packaged in a 28-pin SSOP (Shrink Small Outline Package).

Pinout

The MAX3245CAI+ is a dual RS-232 transceiver with a pin count of 16. It is designed for communication between a microcontroller and RS-232 devices, providing a reliable interface for serial communication.
Key functions include:
1. Transmitter and Receiver: It converts TTL/CMOS logic levels to RS-232 voltage levels and vice versa.
2. Dual Channels: Supports two independent serial communication channels.
3. High Data Rate: Capable of up to 250 kbps data rate.
4. Low Power Consumption: Features a low-power shutdown mode to save energy.
5. Integrated Capacitors: Utilizes internal charge pumps, eliminating the need for external capacitors for voltage generation.
6. Wide Operating Voltage Range: Operates from a 3V to 5.5V power supply.
Overall, the MAX3245CAI+ is suitable for portable and battery-powered devices due to its low power and compact design.

Manufacturer

The MAX3245CAI+ is manufactured by Maxim Integrated, which is a semiconductor company known for designing and producing analog and mixed-signal integrated circuits. Maxim Integrated specializes in a wide range of applications including power management, signal processing, communication, and automotive electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global manufacturer of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits.

Application

The MAX3245CAI+ is a low-power RS-232 transceiver designed for communication between microcontrollers and serial devices. Its application areas include industrial automation, point-of-sale systems, GPS receivers, and computer peripherals. It is also used in mobile devices, robotics, and remote monitoring systems for reliable serial communication over short to medium distances.

Equivalent

The MAX3245CAI+ is a RS-232 transceiver. Equivalent products include the SN75188 from Texas Instruments, the ADM3251 from Analog Devices, and the ST3232 from STMicroelectronics. These alternatives provide similar functionality for serial communication and are compatible with RS-232 standards. Always verify specific requirements and pin configurations before substitution.