See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

PW | 24

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

ADS1281IPWR


Ultra High Resolution Delta Sigma ADC for Seismic and Energy Exploration

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Qty.Price
1 - 9 $ 58.51
10 - 24 $ 54.71
25 - 99 $ 50.60
100 - 249 $ 47.44
250 - 499 $ 44.28
500 - 749 $ 39.53
750 - 999 $ 35.42
1000 - 9999 $ 31.63

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Texas Instruments ADS1281IPWR

The ADS1281 is an extremely high-performance, single-chip analog-to-digital converter (ADC) designed for the demanding needs of energy exploration and seismic monitoring environments. The single-chip design promotes board area savings for improvements in high-density applications.

The converter uses a fourth-order, inherently stable, delta-sigma () modulator that provides outstanding noise and linearity performance. The modulator is used either in conjunction with the on-chip digital filter, or can be bypassed for use with post-processing filters.

The digital filter consists of sinc and finite impulse response (FIR) low-pass stages followed by an infinite impulse response (IIR) high-pass filter (HPF) stage. Selectable decimation provides data rates from 250 to 4000 samples per second (SPS). The FIR low-pass stage provides both linear and minimum phase response. The HPF features an adjustable corner frequency. On-chip gain and offset scaling registers support system calibration.

The synchronization input (SYNC) can be used to synchronize the conversions of multiple ADS1281s. The SYNC input also accepts a clock input for continuous alignment of conversions from an external source.

Together, the modulator and filter dissipate only 12mW. The ADS1281 is available in a compact TSSOP-24 package and is fully specified from –40°C to +85°C, with a maximum operating range to +125°C.

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