LT1460GIZ-5#TRPBF Integrated Circuits (ICs)

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LT1460GIZ-5#TRPBF is a high accuracy, micropower, 3-terminal shunt voltage reference from the Linear Technology\'s family of low power voltage reference products. The device offers excellent accuracy, a wide temperature range and automatic thermal stability even in the most challenging applications. It is the ideal reference for precision measurement and control applications in the fields of automotive, industrial and general purpose electronics.

Applications

The micropower, low noise, low temperature coefficients and excellent stability of the LT1460GIZ-5#TRPBF make it ideal for use in wide range of applications. These include:

• Power supply regulation and control
• High accuracy components
• Temperature measurement and control
• Process control and instrumentation
• High accuracy analog-to-digital converters (ADC)
• Precision measurement and control
• A/D reference
• Data acquisition systems
• Temperature measurement circuits

Working Principle

LT1460GIZ-5#TRPBF is a shunt voltage reference, consisting of a precision voltage reference and low power version of the LT1460 reference. The device operates with a maximum equivalent on-resistance of 12.6 mΩ, making it extremely low power. The device has a low temperature coefficient (170 ppm/°C), ensuring its accuracy over temperature, and provides a stable output over the operating temperature range of -40°C to +125°C.

The reference integrates a tiny 5 kΩ resistor to establish a precise stable reference voltage of 1.200V referenced to ground. A feedback loop is created when one terminal is connected to a load, which pulls current from the voltage reference. The load produces a voltage drop across the resistor, which is compared to the reference voltage and then adjusted to maintain accuracy. If the load current is changed, the output voltage will change too, but the reference voltage remains constant.

To effectively use the LT1460GIZ-5#TRPBF, the device must be connected to an external capacitor to provide noise filtering, as well as other passive noise bypass components, such as high resistance resistors and capacitors. Additionally, an external power supply must be connected to the device in order to provide the correct operating voltage.

Advantages

The LT1460GIZ-5#TRPBF offers many advantages over traditional voltage references, including:

• Low noise performance and excellent accuracy over temperature
• Very low power consumption
• High accuracy and low temperature stability
• Simple design and easy to use
• Wide operating temperature range

Conclusion

LT1460GIZ-5#TRPBF is a micropower, 3-terminal shunt voltage reference from the Linear Technology\'s family of low power voltage reference products. It offers excellent accuracy, low power consumption, wide operating temperature range and high temperature stability. The device is suitable for use in a wide range of applications such as power supply regulation and control, temperature measurement and control, precision measurement and control and A/D references, making it ideal for use in the fields of automotive, industrial and general purpose electronics.

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