REF195GS-REEL7

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Voltage References are designed to remain constant despite changing temperature and current. The REF195GS-REEL7 from Texas Instruments is a high-accuracy, low-power, wide-operating-temperature Voltage Reference. It is available in a small, easy-to-solder form factor, suitable for use in a wide range of applications.

In general, Voltage References are used to provide a specific output voltage which is not dependent on temperature, load, or other external factors. Applications include logging and measurement tools, power converters, power supplies, current regulators, and automotive systems. Voltage References also may be used to provide stable reference voltages to monitoring circuits and as an error amplifier in feedback control circuitry. The REF195GS-REEL7 has a range of specifications designed to meet the various requirements of these applications. It offers an accuracy of 2.5 mV over a temperature range of -40 to +125C; this ensures its output remains stable and steady regardless of environmental temperature changes. It has an operating voltage range of 2.7V to 5.5V, allowing it to work in a variety of applications. Its low-power consumption of 8 μA ensures it makes minimal impact on a project’s overall power budget. The REF195GS-REEL7 has a power supply rejection ratio (PSRR) of 60 dB at 1 kHz, which prevents its output from being affected by input ripple and other power supply noise.

The REF195GS-REEL7 operates on the voltage divider principle. A dielectric material is sandwiched between two conductors, typically of dissimilar materials. A certain amount of voltage is applied to the top conductor, producing an electric field within the dielectric material between it and the bottom conductor. This electric field creates an outward force in the dielectric material which is proportional to the applied voltage. This force causes an opposite force in the bottom conductor, creating a voltage difference between the two conductors (the output voltage). The output voltage of the resistor is determined by the ratio of the magnitude of the forces, as well as the conductors’ specific characteristics. This divider effect creates a constant, regulated voltage which is not dependent on current or temperature.

The REF195GS-REEL7 incorporates this voltage divider principle into a small form factor. Its tiny, 20-pin SSOP package allows it to fit into projects with minimal space requirements. This makes it ideal for applications which require a reliable and small voltage reference. Its datasheet also provides measurement recommendations, layout handling instructions, and other information to help engineers and designers integrate the REF195GS-REEL7 into their project.

In summary, the REF195GS-REEL7 from Texas Instruments is a small, low power, wide temperature range Voltage Reference. Its high accuracy and reliable operation make it suitable for use in a wide range of applications and projects. Its simple, easy-to-solder form factor makes it easy to incorporate into designs with minimal space requirements. In combination with the provided datasheet, this Voltage Reference makes it easy for engineers and designers to add reliable, stable output voltage to their projects.

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