LTC2239CUH#TRPBF

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LTC2239CUH#TRPBF is a precision low-power 16-bit monolithic dual-channel analog-to-digital converter (ADC) from Linear Technology. It is a Delta-Sigma (ΔΣ) ADC that can sample two channels of low-frequency (<200kHz) low-noise analog input signals at a total conversion rate of 2kSPS. This ADC features low power down to 2mW, fast settling time (2.6µs), low INL and DNL (IMINL/DNL <±1LSB) performance, Out Of Range (OOR) indication, and a built-in switchable reference. Each channel can be operated independently or simultaneously, and offers both on-board and external gain selection.

The LTC2239CUH#TRPBF is ideally suited for applications such as industrial and automotive control and data acquisition, portable equipment with battery life requirements, and process control. For example, it could be used in a temperature sensing and self-calibration system that uses a thermistor feedback to trace environment and system temperatures. It is also ideal for distributed monitoring in energy-critical applications such as sensor networks.

The LTC2239CUH#TRPBF has a simple yet effective architecture and is extremely flexible in terms of features and performance. The ΔΣ ADC consists of 4 main components: a main converter, a low-drift reference, a low-gain second-order continuous-time modulator, and a low-pass finite-impulse response (FIR) digital filter. The main converter is a high-performance switched-capacitor ΔΣ ADC providing 16-bit resolution. The low-drift reference is implemented using a low-noise band gap reference, ensuring excellent accuracy and stability over a wide temperature range. The modulator is a low-power, second-order continuous-time circuit. It reduces noise and increases system linearity over a wide frequency range. Finally, the low-pass FIR digital filter provides a commensurate settling time while preserving accurate 16-bit resolution.

The LTC2239CUH#TRPBF is powered by a single 3.3V power supply and is available in a very small footprint 3mm x 2mm LFCSP package. It incorporates a wide range of features to handle multi-mode operation. In order to save power, built-in power management features are included to reduce power consumption. Under power-down mode, it reduces its power consumption to less than 10µA.

The LTC2239CUH#TRPBF is the perfect choice for any application requiring precision 16-bit performance in a small footprint and low power package. It offers low power down to 2mW, fast settling time (2.6µs), and low INL and DNL (IMINL/DNL <±1LSB) performance so that it can meet your most demanding requirements. With its low-power, small size, and high-precision, it is an ideal solution for any industrial or automotive embedded application.

To conclude, the LTC2239CUH#TRPBF from Linear Technology is a low-power, high-precision 16-bit monolithic dual-channel ADC for low-frequency low-noise analog input signals at a total conversion rate of 2kSPS. It features low power down to 2mW, fast settling time (2.6µs), low INL and DNL (IMINL/DNL <±1LSB) performance, and a built-in switchable reference. It is a perfect choice for any application requiring precision 16-bit performance in a small footprint and low power package. It is ideal for applications such as industrial and automotive control and data acquisition, portable equipment with battery life requirements, and process control.

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