ADS7279IPWRG4

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Analog to Digital Converters (ADC) are used to convert an analog signal into a digital signal which can be used as input to a microcontroller, computer, or other digital device. The ADS7279IPWRG4 is a high-performance, dual-channel 10-bit successive-approximation analog-to-digital converter (ADC) from Texas Instruments. This ADC has a wide range of applications, from medical to automotive, and is well suited for high-speed data acquisition systems.

The ADS7279IPWRG4 features a fully differential, low-noise input stage and an integrator with programmable input range. It offers 10-bits of resolution with an analog input range of ±20 mV, ±40 mV, or ±60 mV and a 1 V integrated rail-to-rail differential analog input with a programmable gain of 1, 2, 4, 8, 16, 32, and 64. The device also provides an 8-bit user-selectable input range setting that supports a variety of input signal types and levels. Additionally, an internal offset can be used to calibrate the device for improved accuracy.

The ADS7279IPWRG4 supports a variety of analog input signal types, including single-ended, pseudo-differential, and true differential. It offers a programmable sample rate of up to 10 MSPS, making it suitable for applications such as medical imaging, automotive test and measurement, instrumentation, and industrial process control. Moreover, the ADC provides temperature-corrected data conversion and can be programmed for operation in both synchronous and asynchronous modes.

The ADS7279IPWRG4 includes a programmable internal voltage reference and an on-chip temperature sensor. The integrated internal voltage reference is adjustable and provides a 0.6 V output with a maximum tolerance of 1.5%. This provides the ADC with a reference voltage that is unaffected by changes in the supply voltage. The on-chip temperature sensor is used to correct the offset voltage drift caused by the device temperature. This helps to ensure that the conversion results remain accurate over extended temperature ranges.

The ADS7279IPWRG4 also features an output format that supports both 8-bit and 10-bit data formats. The 8-bit output format supports a direct communication interface to most microcontrollers and other 8-bit data formats, eliminating the need for any external components. The 10-bit output format is compatible with most 16-bit bus systems.

In addition, the ADS7279IPWRG4 has a wide supply voltage range of 2.7 V to 5.5 V, making it suitable for use in battery-powered and low-voltage systems. It also features a low power consumption, with a total supply current of only 5.3 mA at 10 MSPS. The device is available in a 5 mm × 5 mm LFCSP package and operates over a temperature range of –40°C to +105°C.

In conclusion, the ADS7279IPWRG4 is an excellent analog-to-digital converter for a wide variety of applications, offering 10-bits of resolution and a sample rate of up to 10 MSPS. The device features a wide supply voltage range and low power consumption, an adjustable internal voltage reference, an on-chip temperature sensor, and 8-bit and 10-bit output formats for direct communication with almost any microcontroller. All of these features make the ADS7279IPWRG4 an ideal solution for high-performance data acquisition systems.

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