مبدل آنالوگ به ديجيتال 24 بیت AD7190BRUZ
مبدل آنالوگ به ديجيتال 24 بیت
4.8 kHz Ultralow Noise 24-Bit
Sigma-Delta ADC with PGA
FEATURES
- RMS noise: 8.5 nV @ 4.7 Hz (gain = 128)
- 16 noise free bits @ 2.4 kHz (gain = 128)
- Up to 22.5 noise free bits (gain = 1)
- Offset drift: 5 nV/°C
- Gain drift: 1 ppm/°C
- Specified drift over time
- 2 differential/4 pseudo differential input channels
- Automatic channel sequencer
- Programmable gain (1 to 128)
- Output data rate: 4.7 Hz to 4.8 kHz
- Internal or external clock
- Simultaneous 50 Hz/60 Hz rejection
- 4 general-purpose digital outputs
Power supply
- AVDD: 4.75 V to 5.25 V
- DVDD: 2.7 V to 5.25 V
Current: 6 mA
Temperature range: –40°C to +105°C
Interface
- 3-wire serial
- SPI, QSPI™, MICROWIRE™, and DSP compatible
- Schmitt trigger on SCLK
- Qualified for automotive applications
APPLICATIONS
- Weigh scales
- Strain gauge transducers
- Pressure measurementR -2 to 2 kPa (-0.3 to 0.3 psi) – 0.5 to 4.5 V OUTPUT
دیدگاهها
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