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Data Sheet
24-Bit, 8-/16-Channel, 250 kSPS, SigmaDelta ADC with True Rail-to-Rail Buffers
AD7175-8
FEATURES
GENERAL DESCRIPTION
Fast and flexible output rate: 5 SPS to 250 kSPS Channel scan data rate of 50 kSPS/channel (20 µs settling) Performance specifications
17.2 noise free bits at 250 kSPS 20.2 noise free bits at 2.5 kSPS 24 noise free bits at 20 SPS INL: ±1 ppm of FSR 85 dB filter rejection of 50 Hz and 60 Hz with 50 ms settling User configurable input channels 8 fully differential channels or 16 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 − AVSS = 5 V, AVDD2 = IOVDD = 2 V to 5 V (nominal) Split supply with AVDD1/AVSS at ±2.