The Intersil X60003 series datasheet highlights high-precision voltage references using the brand’s proprietary Floating Gate Analog Technology (FGATM). On its first two pages, it details the X60003 features, applications, available options, and a typical application circuit for precision analog-to-digital converters (ADCs).
Key Features
The X60003 voltage references offer a stable reference output voltage in two variants: 4.096V and 5.000V. Key qualities include an initial accuracy as precise as ±1.0mV for the B grade models and a low temperature coefficient of 10ppm/°C. Power consumption is minimized with a supply current of just 500nA, and the devices exhibit a notably low dropout voltage of 100mV at no load and possess the ability to source and sink up to 10mA. The input voltage range varies depending on the model, either from 4.5V to 9.0V or 5.1V to 9.0V.
Applications
This line of voltage references is suitable for various precision applications. These include high-resolution ADCs and digital-to-analog converters (DACs), digital meters, calibration systems, V-F converters, precision current sources, regulators, oscillators, smart sensors, strain gauge bridges, threshold detectors, battery management systems, and servo systems.
Electrostatic Discharge and Reliability
It should be noted that the devices are sensitive to electrostatic discharge (ESD), and hence proper IC handling procedures are important. The data sheet references additional literature for information on how reflow and PCB assembly processes affect these FGA voltage references and their susceptibility to effects from X-Ray exposure.
Product Options and Pin Configuration
The datasheet provides a table detailing available models within the X60003 series. The options feature various levels of accuracy and temperature coefficients, all within the SOT-23 package style. It specifies the part numbers corresponding to different accuracy and temperature coefficient pairings. The pin configuration is given for a 3-pin SOT-23 package, identifying the power supply input (VIN), voltage reference output (Vout), and ground connection (GND).
Typical Application Circuit
An illustrated application circuit is provided showing the voltage reference in a precision ADC setup. Components within this circuit include bypass capacitors bridging VIN to GND, an output connection to the voltage reference input (REF IN) of a 16 to 24-bit ADC, and the ADC connected to a serial bus for data communication.
Disclaimer: Information regarding reference to additional literature on FGA references and the notice on ESD sensitivity are included, alongside copyright details. The datasheet’s last revision was on September 1, 2015, and includes a note mentioning that certain models might not be available or supported.
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