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BUY AD7794CRUZ https://www.utsource.net/itm/p/6112468.html
The AD7794/AD7795 are low power, low noise, complete analog front ends for high precision measurement applications. They contain a low noise, 24-/16-bit Σ-Δ ADC with six differential inputs. The on-chip low noise instrumentation amplifier means that signals of small amplitude can be interfaced directly to the ADC. Each device contains a precision, low noise, low drift internal band gap reference, and can also accept up to two external differential references. Other on-chip features include programmable excitation current sources, burnout currents, and a bias voltage generator that is used to set the common-mode voltage of a channel to AVDD/2. The low-side power switch can be used to power down bridge sensors between conversions, minimizing the system?s power consumption. The AD7794/AD7795 can operate with either an internal clock or an external clock. The output data rate from each part can vary from 4.17 Hz to 470 Hz. Both parts operate with a power supply from 2.7 V to 5.25 V. The B-grade parts (AD7794 and AD7795) are specified for a temperature range of ?40°C to +105°C while the C-grade part (AD7794) is specified for a temperature range of ?40°C to +125°C. They consume a current of 400 μA typical and are housed in a 24-lead TSSOP. Applications Temperature measurement Pressure measurement Weigh scales Strain gage transducers Gas analysis
Description: The AD7794CRUZ is a low power, 24-bit, simultaneous sampling, sigma-delta (Σ-Δ) analog-to-digital converter (ADC). Features: 24-bit resolution Simultaneous sampling Low power consumption Low noise Low distortion Low offset Low drift Low power shutdown mode Programmable gain amplifier Programmable filter Serial peripheral interface (SPI) Applications: Industrial process control Instrumentation Automotive Medical Data acquisition systems Sensor signal conditioning (For reference only)