SN75189DR

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SN75189DR is an advanced high-performance monolithic extended temperature range quad high-speed line receiver designed to perform the system. It works well with the SN75188DR transmitter in providing a full duplex multipoint data communications link or in other distinct application such as four data receivers system or two balanced two-channel data receiver.

SN75189DR is part of the Interface - Drivers, Receivers, Transceivers category. The drivers, receivers, and transceivers category typically involves applications that transmit and receive data using various bus standards and protocols. It includes devices that use either digital or analog interface signals, and products that are used to control the flow of data signals on a bus.

In the SN75189DR application, the serial input is amplified and then passed on to the receiver output. It has a standby function that, when enabled, places the device into standby mode by removing the load from the serial input pins. This will in turn cause the other main features to be disabled such as the receiver outputs. The receiver also includes a logic enable and shutdown mode. The logic enable allows the serial input to be processed, while the shutdown mode puts the device into low power standby mode.

The SN75189DR receiver is designed to provide high-speed performance over the extended temperature range. It has maximum differential input voltage of 16V, a wide supply voltage range of 2.7V to 3.6V, and a typical processing speed of 12.5Mbps. It is capable of operating at a wide temperature range of -40° to +85°C. The device can operate in both 16-bit and 8-bit mode, and provides maximum noise rejection with its built-in dithering circuit.

SN75189DR is also equipped with termination and error detection features for enhanced reliability. The termination feature ensures an appropriate impedance for the line, while the error detection feature monitors the signal level and will respond accordingly if an error is detected. It also features an improved common-mode noise immunity, allowing for greater flexibility in application.

The working principle of the SN75189DR can be broken down into a few steps. First, the serial input goes through an amplifier stage for distortion-free signal conditioning and then into the receiver logic. The receiver logic then determines if the signal present is valid or not by evaluating the varying logic levels and waveforms present in the signal. If it is valid, it will in turn enable the output signals and then continue the data transmission. If an error is detected, the receiver will deactivate the output signals and repeat the checking process again.

SN75189DR is an ideal choice for applications such as line-oriented communications, industrial automation, and instrumentation systems. Its advanced high-performance and reliability, along with its wide temperature range, make it suitable for both harsh industrial and automotive environments. With its extended temperature range, high-speed performance, and built-in error detection and termination features, the SN75189DR is a reliable and robust transistor for applications that require reliable data transmission.

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