Datasheet Details
| Part number | AD7172-4 |
|---|---|
| Manufacturer | Analog Devices |
| File Size | 781.45 KB |
| Description | Sigma-Delta ADC |
| Download | AD7172-4 Download (PDF) |
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| Part number | AD7172-4 |
|---|---|
| Manufacturer | Analog Devices |
| File Size | 781.45 KB |
| Description | Sigma-Delta ADC |
| Download | AD7172-4 Download (PDF) |
|
|
|
Fast and flexible output rate: 1.25 SPS to 31.25 kSPS Channel scan data rate of 6.21 kSPS/channel (161 μs settling) Performance specifications 17.2 noise free bits at 31.25 kSPS 24 noise free bits at 5 SPS INL: ±2 ppm of FSR 85 dB rejection of 50 Hz and 60 Hz with 50 ms settling User configurable input channels 4 fully differential channels or 8 single-ended channels Crosspoint multiplexer 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 mA 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- compatible APPLICATIONS Process control: PLC/DCS modules Temperature and pressure measurement Medical and scientific multichannel instrumentation Chromatography The AD7172-4 is a low noise, low power, multiplexed, Σ-Δ analogto-digital converter (ADC) with 4- or 8-channel (fully differential/ single-ended) inputs for low bandwidth signals.
The AD7172-4 has a maximum channel scan rate of 6.21 kSPS (161 μs) for fully settled data.
The output data rates range from 1.25 SPS to 31.25 kSPS.
Data Sheet Low Power, 24-Bit, 31.25 kSPS, Sigma-Delta ADC with True Rail-to-Rail Buffers.
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