SN75175DE4

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The SN75175DE4 is an integrated circuit (IC) manufactured by Texas Instruments. It is part of the DE4 family of devices, which are housed in a small form factor, plastic dual in-line package (PDIP). The SN75175DE4 is used as an interface between devices that use different levels of signals, such as digital and analog. It acts as a driver, receiver, and transceiver. Additionally, it can be used for active and passive signal buffering, impedance matching, level conversion, clock regeneration, and signal isolation.

Application Field

The SN75175DE4 is often used in automotive audio and multimedia applications, such as cell phones, navigation systems, and vehicle security systems. It is also used in industrial applications, such as factory automation, as well as home entertainment systems, like DVD players and TVs. Additionally, the device is used in video and audio encoding and decoding, in both consumer and professional applications. It can also be used for power supplies and switching regulators.

Working Principle

The SN75175DE4 is a dual rail-to-rail device, meaning it has the ability to drive both low and high signals. It operates using open-drain output stages and incorporates a power transistor and two external resistors. The device has two isolated channels that can reliably drive both bidirectional signal levels. Each channel has an input circuit capable of setting the drive signal\'s polarity and delay. One of the two channels can also be configured in its high-impedance state, allowing power saving when the device is not used. The two signal channels also have input and output logic control options, which enable the device to perform either active or passive buffering.

The SN75175DE4\'s input stages are capable of receiving either high or low-level signals, including TTL and CMOS logic. The device is able to operate from a single supply voltage of 3.1 to 15 volts, meaning it is able to work in a wide variety of applications. Additionally, it has an industry-standardized logic control port for adding external control signals. The device can also be programmed to regulate line impedances and to prevent signal interference.

The SN75175DE4 can work in a wide temperature range of –40 to +125°C. It is rated to consume less than 2 mA of power and has maximum output state of 150 mA, making it ideal for low-power applications. The device is also ESD protected and AEC-Q100 compliant, meaning it is suitable for use in automotive applications.

Conclusion

The SN75175DE4 is a low-power, rail-to-rail IC designed for automotive and industrial applications. It is housed in a small form-factor PDIP and is capable of driving both low and high signals. Additionally, it can be programmed to regulate line impedance and to prevent signal interference. The device is rated to consume less than 2 mA of power and is ESD protected and AEC-Q100 compliant. As such, it is suitable for a wide range of applications, including automotive audio and multimedia, factory automation, switching regulators, and video and audio encoding and decoding.

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