The AD7798BRUZ is a 3-channel 16-bit Low Power Sigma-Delta (Σ-Δ) ADC with on-chip in-amp for high precision measurement applications. It contains a low noise 16-bit Σ-Δ ADC with three differential analogue inputs. The on-chip low noise instrumentation amplifier means that signals of small amplitude can be interfaced directly to the ADC. With a gain setting of 64, the RMS noise is 40nV when the update rate equals 4.17Hz. On-chip features include a low-side power switch, reference detect, programmable digital output pins, burnout currents and an internal clock oscillator. The output data rate from the part is software-programmable and can be varied from 4.17Hz to 470Hz. The part operates with a power supply from 2.7 to 5.25V. This ADC can be used for weigh scales, strain gauge transducers and smart transmitters as well as liquid/gas chromatography applications.
- 85nV RMS noise at 16.7Hz
- 380μA Typical current
- Low noise programmable gain instrumentation amp
- Internal clock oscillator
- Simultaneous 50/60Hz rejection
- Low-side power switch
- Reference detect
- Programmable digital outputs
- Independent interface power supply
测试与测量, 工业, 自动化与过程控制, 传感与仪器, 便携式器材, 医用
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