LTM9008IY-14#PBF

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The LTM9008IY-14#PBF is a 1-Channel, 8-bit nano-Power SAR ADC with Industry’s Lowest Power – 12µA total supply current. It supports a wide range of supply voltages from 2.3V to 5.5V and a wide input range from 0.1V to VDD-200mV. With a digital interface of up to 10MHz and a maximum conversion rate of 3.2MS/s, the LTM9008IY-14#PBF is perfect for extending battery life in communication and imaging applications. Additionally, the ultra-low power consumption makes it ideal for battery-powered applications where size and power are primary considerations.

The LTM9008IY-14#PBF comes in a 6-pin USP nanoSpace package and operates over a temperature range of -40°C to +125°C. Its highly integrated design requires minimal external components to obtain a full featured ADC, including an on-chip reference, comparator, oscillator, and digital I/O. The part offers excellent noise performance and low charge injection on the analog switch.

Application Field

The LTM9008IY-14#PBF is designed for low power data acquisition applications such as portable medical, consumer and communications devices. With its impressive speed and low power consumption, it can be used in communication systems, portable cognitive radios, and consumer products such as laptops and tablets. Due to its wide input range, it can be used in a variety of applications such as signal acquisition, imaging and gesture recognition.

Working Principle

The LTM9008IY-14#PBF operates on the Successive Approximation Register (SAR) principle for data acquisition. The SAR ADC works by converting the analog input voltage into digital data. It does this by comparing the input voltage to a series of reference voltages and then calculating the digital data that represents the analog voltage.

The first step is to apply the input voltage to a comparator. The comparator then compares the input voltage to the reference voltage and produces a binary output which is fed into the successive approximation register. The successive approximation register is a series of flip-flops that store the binary data and determine which reference voltage to use for the next comparison. This process continues until 8 bits of data are obtained. The 8 bits of data are then converted into a digital word that represents the input voltage.

The LTM9008IY-14#PBF is a nano-Power SAR ADC, meaning that it has an incredibly low power consumption of only 12µA. This makes it an ideal choice for low power applications such as portable medical and communications devices. Additionally, its low voltage operation and wide input range make it suitable for a variety of data acquisition uses.

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