AD7124-4
AD7124-4 is Sigma-Delta ADC manufactured by Analog Devices.
Data Sheet AD7124-4
4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and
Reference
Features
- 3 power modes
- RMS noise
- Low power: 24 n V rms at 1.17 SPS, gain = 128 (255 µA typical)
- Mid power: 20 n V rms at 2.34 SPS, gain = 128 (355 µA typical)
- Full power: 23 n V rms at 9.4 SPS, gain = 128 (930 µA typical)
- Up to 22 noise free bits in all power modes (gain = 1)
- Output data rate
- Full power: 9.38 SPS to 19,200 SPS
- Mid power: 2.34 SPS to 4800 SPS
- Low power: 1.17 SPS to 2400 SPS
- Rail-to-rail analog inputs for gains > 1
- Simultaneous 50 Hz/60 Hz rejection at 25 SPS (single cycle settling)
- Diagnostic functions (which aid safe integrity level (SIL) certification)
- Crosspoint multiplexed analog inputs
- 4 differential/7 pseudo differential inputs
- Programmable gain (1 to 128)
- Band gap reference with 10 ppm/°C drift maximum (70 µA)
- Matched programmable excitation currents
- Internal clock oscillator
- On-chip bias voltage generator
- Low-side power switch
- General-purpose outputs
- Multiple filter options
- Internal temperature sensor
- Self and system calibration
- Sensor burnout...