Analog Devices recently announced a 24-bit sigma-delta A/D converter with a fast and flexible output data rate for high-precision instrumentation and process control applications
The AD7175-2 converter delivers 24 noise-free bits at 20 SPS and 17.2 noise-free bits at 250 ksps providing you with a wider dynamic range. With twice the throughput for the same power consumption versus competing solutions, the AD7175-2 enables faster, more responsive measurement systems providing a 50-ksps/channel scan rate with a 20-µs settling time.
The integrated, low-noise, true rail-to-rail input buffer enables quick and easy sensor interfacing, reduces design and layout complexity, simplifies analog drive circuitry and reduces PCB area. The AD717x family, with a wide range of pin and software compatible devices, allows consolidation and standardization across system platforms.
According to Analog Devices, the converter gives “designers a wider dynamic range, which enables smaller signal deviations to be measured as required within analytical laboratory instrumentation systems.”
Specs and features:
- 2x the throughput for the same power consumption in comparison to other devices
- Enables faster measurement systems providing a 50-ksps/channel scan rate with 20-µs settling time.
- Integrated true rail-to-rail input buffer for easy sensor interfacing and simplified analog drive circuitry
- User-configurable input channels
- 2 differential or 4 single-ended channels
- Per-channel independent programmability
- Integrated 2.5-V buffered 2-ppm/°C reference
- Flexible and per-channel programmable digital filters
- Enhanced filters for simultaneous 50-Hz and 60-Hz rejection
- −40°C to +105°C operating temperature range
Source: Analog Devices
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