LTC1273ACSW#PBF

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Analog to Digital Converters (ADCs) play an integral role in providing devices the ability to sense and interpret their environment. For example, sound, light, temperature, and other physical properties can be measured and quantified by converting the physical user inputs into digital bits. The LTC1273ACSW #PBF, or Linear Technology Corporation’s LTC1273, is a 16-bit high performance, low power, successive approximation analog-to-digital converter (ADC). This ADC is capable of performing multiple simultaneous tasks, converting analog signals into a sequence of digital values which can be stored and used later.

The LTC1273 operates on a single analog voltage supply, allowing the chip to easily integrate into systems with a constrained board space. It has a high bandwidth of up to 10 MHz and excellent ac and dc performance, making it an ideal choice for a variety of applications such as medical imaging and ultrasound. The LTC1273 also has a wide dynamic range of up to 90 dB with excellent signal-to-noise ratio (SNR), making it well suited for precise signal processing.

The core of the LTC1273 is a 10-bit successive approximation register (SAR) which performs the conversion from analog to digital. An internal analog-to-digital clock triggers the conversion process by cycling through each bit of the SAR to determine its value. More specifically, the internal clock begins by comparing a digital representation of the input voltage to one of a series of reference voltages. If the input voltage is lower than the reference voltage, the SAR assigns a 0 to the bit, and if the input voltage is higher than the reference voltage, the SAR assigns a 1 to the bit.

The clock then moves onto the next bit and repeats this process until the conversion is complete. Once the conversion is finished, the LTC1273 sends out the resulting digital binary value. This entire conversion process takes about 100 microseconds, making the LTC1273 ideal for fast applications. In addition, the LTC1273 is available as a single-supply device, making it easy to integrate into systems constrained by board space.

The LTC1273 is extremely flexible and can be configured to accommodate different applications. It can be used in a variety of input conditions such as differential or single- ended analog inputs, providing flexibility and allowing the LTC1273 to interface with a wide range of sensors. In addition, the LTC1273 offers several digital and analog features, such as an on-chip reference and external clock support, making it an excellent choice for high-precision applications.

In summary, the LTC1273 is an ideal choice for high resolution, analog to digital conversion applications. The device is capable of achieving up to a 16-bit resolution and has excellent ac and dc performance, making it well-suited for precision signal processing. In addition, the LTC1273 offers a wide range of features, including an on-chip reference, external clock support, and differential or single-ended input options, making configuring it for various applications easy and efficient.

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