AD7172-2
AD7172-2 is Sigma-Delta ADC manufactured by Analog Devices.
FEATURES
GENERAL DESCRIPTION
Fast and flexible output rate: 1.25 SPS to 31.25 k SPS Channel scan data rate of 6.21 k SPS/channel (161 µs settling) Performance specifications
17.2 noise free bits at 31.25 k SPS 24 noise free bits at 5 SPS INL: ±2 ppm of FSR 85 d B rejection of 50 Hz and 60 Hz with 50 ms settling User configurable input channels 2 fully differential channels or 4 single-ended channels Crosspoint multiplexer On-chip 2.5 V reference (±2 ppm/°C drift) True rail-to-rail analog and reference input buffers Internal or external clock Power supply AVDD1 = 3.0 V to 5.5 V, AVDD2 = IOVDD = 2 V to 5.5 V Split supply with AVDD1 and AVSS at ±2.5 V or ±1.65 V ADC current: 1.5 m A Temperature range:
- 40°C to +105°C 3- or 4-wire serial digital interface (Schmitt trigger on SCLK) Serial port interface (SPI), QSPI-, MICROWIRE-, and DSP- patible
APPLICATIONS
Process control:...