ICL7107CPL+

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The ICL7107CPL-plus is a versatile, efficient, and cost-effective data acquisition chip that is engineered to specialize in measuring analog voltages. The chip is particularly well-suited for a range of applications, such as digital thermometers, watt-hour meters, data-acquisition systems and digital voltmeters. It is ideal for low-voltage applications, such as those in the range of 0V to +30V of single-ended analog input. Additionally, it also features a built-in programmable gain amplifier that allows various input gains to be selected.

Application Field

The ICL7107CPL is primarily used to measure voltages and to perform analog-to-digital conversion. This chip is specifically designed for applications such as sensor and power measurement systems, watt-hour meters and data-acquisition systems. It is ideal for applications that require an easy-to-implement, low-power, hardware-oriented solution.

The ICL7107CPL-plus is designed for low-voltage applications such as thermometers. Because of its low-power consumption and inherent linearity, it is especially well-suited for the majority of thermometer applications. It also features a wide range of input gains, allowing various temperature ranges to be covered.

The chip can also be used in watt-hour meters, where precision and accuracy are essential. It features an 8-bit resolution and a programmable gain amplifier, which allows various input gains to be selected. This ensures that the meter is able to measure energy even under variable input voltage conditions.

In addition, the ICL7107CPL-plus is also well-suited for data-acquisition systems, such as those used for medical, automotive and industrial purposes. The chip offers extensive sample and hold capability, which is ideal for these applications. It also features a built-in sample and hold amplifier and multiplexer, making it suitable for most applications.

Working Principle

The ICL7107CPL-plus operates on the principle of successive approximation register (SAR) technology. It uses a programmable gain amplifier (PGA) which allows variable gain stages to be selected. It is this variable gain stage which is critical for the chip to accurately measure voltages.

The ICL7107CPL-plus then uses a successive approximation register (SAR) to convert the analog panel input into digital form. This SAR enables the chip to sample, convert and store voltages in digital form. After the conversion is complete, the chip then transfers the digital information to an external memory, such as an EEPROM.

The chip also uses an analog-to-digital converter (ADC) to convert the analog panel input into digital form. This ADC is essential for accurate voltage measurements. The chip utilizes a single-ended analog input and a two-step analog-to-digital conversion method to accurately measure voltages.

The chip is powered by a single supply voltage, making it ideal for low-voltage applications. It also features an active current draw of 2.2mA, making it highly energy efficient. Furthermore, it also features a high-speed multiplexer, which allows multiple analog signals to be converted quickly.

The ICL7107CPL-plus is the ideal chip for a range of applications that require precise voltage measurement capability. It is a highly-efficient, cost-effective, and versatile device that is designed to get the job done. It is ideal for low-power, data logger and digital thermometers, watt-hour meters, medical, and industrial applications.

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