SP202ECP-L

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Transceiver
Protocol:	RS232
Number of Drivers/Receivers:	2/2
Duplex:	Full
Receiver Hysteresis:	500mV
Data Rate:	240kbps
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Through Hole
Package / Case:	16-DIP (0.300", 7.62mm)
Supplier Device Package:	16-PDIP

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<div class="category">Interface - Drivers, Receivers, Transceivers</div><h2>SP202ECP-L Application Field and Working Principle</h2><div class="intro">The SP202ECP-L is a low-power, differential bus transceiver designed for EIA-422 and EIA-485 applications. It is widely applied in a variety of fields such as industrial automation systems, factory automation, medical equipment and instrumentation systems. This article illustrates the application fields and working principles of the SP202ECP-L.</div><div class="body"><h3>Application Field</h3><p>The SP202ECP-L is an electrical level conversion system designed primarily to interface data terminal equipment (DTE) and data circuit-terminating equipment (DCE) using EIA-422 standard and EIA-485 medium and low-speed applications. It is mainly used in industrial automation systems, factory automation, medical equipment and instrumentation systems.</p><p>The SP202ECP-L possesses a high speed data transmission capability of up to 3.6Mbaud on the EIA-485 bus line and features four differential line transceivers built into one package, as well as multi-drop capability. These features make the SP202ECP-L ideal for use in arbitration and polling mode networks where multiple nodes share a common line. It provides an economical alternative to proprietary protocols that require additional components.</p><h3>Working Principle</h3><p>The SP202ECP-L is a differential bus transceiver IC designed to convert between logic levels and standard EIA-422/EIA-485 protocol levels. The wide range of logic levels accommodated by this device make it ideal for both 5 V and 3.3 V logic as well as mixed-signal systems, as well as stepped logic systems such as TTL/CMOS, RS-232/RS-485 and mixed-signal systems. </p><p>The SP202ECP-L is a dual bus-transceivers built around two integrated circuits: One for an EIA-422 transmitter and one for an EIA-485 receiver. The receiver is a differential-input amplifier, with programmable pre-/post-equalization and phase/gain control for optimal noise rejection, as well as an adjustable bias control for optimizing performance in any condition. The transmitter is a differential-output amplifier with programmable slew rate and dynamic offsets for higher speeds. The SP202ECP-L also features a bus fault latch and a data-loss detect circuit which make the device suited for industrial automation networks.</p><p>The SP202ECP-L is a remarkably flexible device with a wide range of applications. It is an affordable device with low power consumption and high noise rejection. It is a highly integrated transceiver that requires no external components, and its wide range of logic levels ensures compatibility with a variety of systems.</p><h3>Conclusion</h3><p>Overall, the SP202ECP-L is an excellent choice for a low power, differential bus transceiver for EIA-422 and EIA-485 applications. Its programmable features, low power requirements, and compatibility with multiple logic systems make it ideal for many different types of applications. The wide range of features allows for quick and easy integration into existing systems, making it a cost effective solution for any project.</p></div>

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