ISL21080DIH309Z-TK Integrated Circuits (ICs)

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The ISL21080DIH309Z-TK is a CMOS voltage reference device developed by Intersil Corporation based on their Automotive Qualified silicon. It is a very versatile device with a wide range of applications, making it ideal for a variety of power management applications in automotive, industrial and consumer applications. The ISL21080DIH309Z-TK is classified under the PMIC-Voltage Reference category and is manufactured using Intersil’s proprietary process technology. It offers an output accuracy of 0.2% maximum over temperature, with a temperature drift of 1 ppm/°C rated for the Automotive Grade (-40°C to +125°C). It has a wide supply voltage range of 2.5V to 5.5V dc coupled put with its low quiescent current of only 50μA and its ultra low dropout voltage of less than 0.2V, the device is perfect for portable and battery powered applications.

The ISL21080DIH309Z-TK is a dual output device and allows for the adjustment of both outputs to the desired voltage by using two external resistors. For a simple application, the two output voltages could be the same, or a negative and a positive voltage could be derived from the same supply. The device offers excellent line and load regulation of ±0.01% and an output voltage temperature coefficient of ±15ppm/°C. It also has a very low output noise of only 5μVrms, making it suitable for precision and sensitive applications.

The ISL21080DIH309Z-TK is also capable of operating in a high-ripple rejection mode of operation with a rejection of more than 120dB. This is ideal for environments where suppressing of ripple and noise is important, such as portable RF and medical imaging applications. The device has a high impedance drive capability offering very low output impedance to reduce the effect of noise and voltage drop due to load transients.

The ISL21080DIH309Z-TK is supplied in an 8-pin MSOP package and comes with a 1.5KV ESD protection to prevent static damage. Additionally, the device is also available with a standard lead-free, RoHS compliant package making it compliant with environmental regulations. The device also supports the Intersil Telemetry System, which is a digital telemetry bus that allows monitoring and controlling of the device’s operation in real time.

In summary, the ISL21080DIH309Z-TK provides a versatile and accurate voltage reference solution with low operating current and extremely low noise. It is an excellent choice for portable and battery-powered applications and its wide supply voltage range and high-ripple rejection mode make it ideal for precision and sensitive applications.

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