AD7172-4BCPZ Multiplexed A/D Converters by Analog Devices

Status: Production
Series: AD7172-4
RoHS: Compliant
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The AD7172-4 is a low noise, low power, multiplexed, Σ-Δ analog-to-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.The AD7172-4 integrates key analog and digital signal conditioning blocks to allow users to configure an individual setup for each analog input channel in use via the SPI. Integrated true rail-to-rail buffers on the analog inputs and reference inputs provide easy to drive high impedance inputs.The digital filter allows simultaneous 50 Hz and 60 Hz rejection at a 27.27 SPS output data rate. The user can switch between different filter options according to the demands of each channel in the application, with further digital processing functions such as offset and gain calibration registers, which are configurable on a per channel basis. General-purpose input/outputs (GPIOs) control external multiplexers synchronous to the ADC conversion timing. The specified temperature range is −40°C to +105°C.The AD7172-4 is in a 5 mm × 5 mm, 32-lead LFCSP.Note that, throughout this data sheet, the dual function pinnames are referenced by the relevant function only.

Prices starting from US$12.07


Distributor Starting From Stock
Logo for Analog Devices Analog Devices US$17.25
202
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Logo for element14 element14 US$14.42
119
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Logo for Farnell Farnell US$13.74
111
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Logo for Newark Electronics Newark Electronics US$14.05
111
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Logo for Chip One Stop Chip One Stop US$15.50
39
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Logo for Richardson RFPD Richardson RFPD US$12.07
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Features

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 DSPcompatible

Alternative Descriptions

24 Bit SD-ADC, 31ksps, 4 Diff/ | Analog Devices
ADC, 24BIT, 31.25KSPS, LFCSP-32 | element14
Adc, 24Bit, 31.25Ksps, Lfcsp-32 | Newark Electronics
CONVERTER - ADC | Richardson RFPD


Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD7172-4BCPZ?

Additional datasheets, footprints and schematics for AD7172-4BCPZ are listed on our Part Details page. You can also find images and similar parts to AD7172-4BCPZ on this page.

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What category does AD7172-4BCPZ fall under?

The AD7172-4BCPZ is listed under Multiplexed A/D Converters.

Can I view similar or alternative parts?

You can view similar parts to AD7172-4BCPZ when available in the Multiplexed A/D Converters range under the specifications section at the bottom of the details page.

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Is the AD7172-4BCPZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for AD7172-4BCPZ have stock available?

Authorised distributors including Analog Devices, element14, Farnell, Newark Electronics and Chip One Stop have stock available or on a lead time for AD7172-4BCPZ.

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