SP3232ECT-L/TR

Series:	--
Packaging:	Cut Tape (CT)
Part Status:	Active
Type:	Transceiver
Protocol:	RS232
Number of Drivers/Receivers:	2/2
Duplex:	Full
Receiver Hysteresis:	300mV
Data Rate:	235Kbps
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	16-SOIC

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SP3232ECT-L/TR is an integrated circuit feature full duplex half-duplex RS-485 and RS-422 transceiver. It has the advantages of low energy consumption and low pin counts. Moreover, some of the key applications that can be implemented with SP3232ECT-L/TR are digital communication over long distances and high speed digital bus. It also supports a wide range of configurable data rates up to 20 Mbps. SP3232ECT-L/TR is commonly used in point-to-point, multidrop, and multipoint networks.This transceiver includes four selection pins allowing the user to select either RS-485/RS-422 bus operation, half-duplex or full-duplex channel operation, and bus speeds up to 20 Mbps. It also has two enable control pins to support two different enable configurations. SP3232ECT-L/TR features an on-chip temperature sensor that controls the signal levels and operating current when in shutdown mode. The maximum operating temperature for SP3232ECT-LS/TR is 125°C.The differential output stage of SP3232ECT-L/TR consists of an operational amplifier, a high speed logic transmitting unit, a differential receiver-driver, and a voltage regulator. The operational amplifier aids in improving the signal-to-noise ratio and dynamic range. The logic transmitting unit can transmit signals in either fast- or slow-speed mode. The differential receiver-driver uses a pair of field effect transistors (FET) to provide a high output current and high frequency switching performance. The voltage regulator ensures that the driver/receiver operates on a constant supply voltage, irrespective of variations in the external power supply.The receiver of SP3232ECT-L/TR works in two modes: high-speed, or wide-speed. In the high-speed mode, it uses a current source to amplify the input signal and drives a receiver circuit. The wide-speed mode utilizes a charge pump and current sources to amplify the signal and provides a wide-range receiver circuit. The driver of SP3232ECT-L/TR is based on FETs and is connected to a resistor divider, which helps with impedance matching and isolates the two branches of the circuit.The protocols that can be implemented with SP3232ECT-L/TR include DES and RS-485 in half-duplex, or full-duplex operation. By connecting two SP3232ECT-L/TRs, one for transmission and the other for reception, it is possible to achieve data transfer between devices even over long distances. SP3232ECT-L/TR can also be used to implement any other serial bus protocol, like UART, I2C, and SPI.To summarize, SP3232ECT-L/TR is an excellent choice for designers looking for low-power, low-pin-count, high-speed, transceiver ICs. It is especially suitable for applications that require long-distance digital communication, such as RS-485 and RS-422 interfaces. With its wide range of configurable data rates, on-chip temperature sensor, and selectable output impedance, SP3232ECT-L/TR is a great option for RS-485/RS-422 communication requirements.

SP3232ECT-L/TR is an integrated circuit feature full duplex half-duplex RS-485 and RS-422 transceiver. It has the advantages of low energy consumption and low pin counts. Moreover, some of the key applications that can be implemented with SP3232ECT-L/TR are digital communication over long distances and high speed digital bus. It also supports a wide range of configurable data rates up to 20 Mbps. SP3232ECT-L/TR is commonly used in point-to-point, multidrop, and multipoint networks.

This transceiver includes four selection pins allowing the user to select either RS-485/RS-422 bus operation, half-duplex or full-duplex channel operation, and bus speeds up to 20 Mbps. It also has two enable control pins to support two different enable configurations. SP3232ECT-L/TR features an on-chip temperature sensor that controls the signal levels and operating current when in shutdown mode. The maximum operating temperature for SP3232ECT-LS/TR is 125°C.

The differential output stage of SP3232ECT-L/TR consists of an operational amplifier, a high speed logic transmitting unit, a differential receiver-driver, and a voltage regulator. The operational amplifier aids in improving the signal-to-noise ratio and dynamic range. The logic transmitting unit can transmit signals in either fast- or slow-speed mode. The differential receiver-driver uses a pair of field effect transistors (FET) to provide a high output current and high frequency switching performance. The voltage regulator ensures that the driver/receiver operates on a constant supply voltage, irrespective of variations in the external power supply.

The receiver of SP3232ECT-L/TR works in two modes: high-speed, or wide-speed. In the high-speed mode, it uses a current source to amplify the input signal and drives a receiver circuit. The wide-speed mode utilizes a charge pump and current sources to amplify the signal and provides a wide-range receiver circuit. The driver of SP3232ECT-L/TR is based on FETs and is connected to a resistor divider, which helps with impedance matching and isolates the two branches of the circuit.

The protocols that can be implemented with SP3232ECT-L/TR include DES and RS-485 in half-duplex, or full-duplex operation. By connecting two SP3232ECT-L/TRs, one for transmission and the other for reception, it is possible to achieve data transfer between devices even over long distances. SP3232ECT-L/TR can also be used to implement any other serial bus protocol, like UART, I2C, and SPI.

To summarize, SP3232ECT-L/TR is an excellent choice for designers looking for low-power, low-pin-count, high-speed, transceiver ICs. It is especially suitable for applications that require long-distance digital communication, such as RS-485 and RS-422 interfaces. With its wide range of configurable data rates, on-chip temperature sensor, and selectable output impedance, SP3232ECT-L/TR is a great option for RS-485/RS-422 communication requirements.

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