MAX3232EIPW

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Transceiver
Protocol:	RS232
Number of Drivers/Receivers:	2/2
Duplex:	Full
Receiver Hysteresis:	300mV
Data Rate:	250kbps
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	MAX3232E

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MAX3232EIPW Application Field and Working Principle

Introduction

The MAX3232EIPW is a dual-channel transceiver designed specifically for interfacing asynchronous communication systems to low-power data terminals. It is designed to meet the requirements of low-voltage serial communications standard EIA/TIA-232 and its reduced-voltage version EIA/TIA-233. This transceiver can operate over a wide range of operating conditions and is characterized for operation over temperature ranges of –40°C to +85°C. Additionally, the state-of-the-art circuitry is housed in a low-cost, 28-pin SOIC package. The MAX3232EIPW adds the advantages of the other members of the MAX232 family, such as low power consumption, low supply voltage, and wide operating temperature range, to the features of a transceiver. This interface device can support up to 118 kbps data rates, and includes a charge pump, current limiters, and ESD protection circuitry.

Applications

The MAX3232EIPW transceiver is an ideal companion for applications that require the simultaneous transmission and reception of data. Examples of applications for the MAX3232EIPW include:* Serial Interface* Automotive Instrumentation* Cell Phones* Radio Modems* Computer Modems* Data Acquisition Systems* Robotics

Functional Description and Working Principle

The following text offers an overview of the circuit functionality and the working principle of the MAX3232EIPW device.The main function of the device is to increase signal strength and reduce crosstalk in bidirectional transmission of data over asynchronous serial communication systems. An external capacitance is used to switch the signal between the transmitter and receiver when the logic control of the device changes. The signal is first processed by the charge pump and current limiters. The charge pump is used to increase the signal strength and provide a high-level signal with sufficient ESD protection. The current limiters help to ensure that the signal does not exceed the rated voltage limits of the device. The ESD protection components ensure that the signal is protected from voltages greater than the rated threshold.The core logic block of the device uses a differential receiver that can detect data signals up to a rate of 118 kbps. The device also has bus-hold capabilities, which allow the receiver to correctly interpret unsubstantiated signals. The receiver also has an undriven input circuit that can be activated or disabled depending on the application. The transmitted signal is generated from the transceiver core logic module, and the signal is fed through the current limiters prior to being sent out of the device.

Conclusion

The MAX3232EIPW is a high-performance, low-power transceiver designed to perform over a wide temperature range. This device is ideal for applications that require the simultaneous transmission and reception of data, such as serial interfaces, automotive instrumentation, cell phones, radio modems, computer modems, data acquisition systems, and robotics. The device includes a charge pump, current limiters, and ESD protection circuitry, allowing it to deliver reliable, high-quality performance over a wide range of operating conditions. Additionally, the device is characterized for operation over temperature ranges of –40°C to +85°C.

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