TS431ARIX-Z RFG

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The TS431ARIX-Z RFG (Resistor Frequency Generator) is a voltage reference device in the category of PMIC (Power Management IC). It is a dual-channel high accuracy temperature stable voltage reference for automotive applications. It operates with a high precision voltage output of 2.5V and 4.096V in its two channels, respectively.

The TS431ARIX-Z RFG was designed to meet the needs of high accuracy and frequency precision in automotive application fields such as engine management, body electronics, communications, and motor control. It is highly suitable for use by automotive OEMs and Tier1s who need a reliable voltage reference with wider supply range and long-term stability.

The working principle of the TS431ARIX-Z RFG is simple and involves a resistor frequency generator (RFG) providing the reference voltage output. The voltage reference is then compared to the external reference voltage and an error signal is generated when there is any discrepancy between the two. This error signal is then fed back through a feedback circuit that keeps the RFG’s voltage reference at the correct value.

The RFG consists of a resistor and a capacitor which is connected to the supply voltage source. The frequency of the output of the RFG is determined by the resistor value as well as the external reference voltage, and is proportional to the external reference voltage. By varying the external reference voltage, the frequency can be tuned to the desired value.

The TS431ARIX-Z RFG also has a temperature compensation feature which compensates for temperature variations by automatically adjusting the RFG\'s reference voltage output. This prevents errors in the system due to thermal drift.

The TS431ARIX-Z RFG is ideal for automotive applications requiring reliable and accurate voltage reference with stable long-term performance. Its high accuracy and frequency precision makes it a reliable choice for engine management, body electronics, communications, and motor control applications, as mentioned above.

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