See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DB | 28

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

ADS1256IDBT


24 Bit, 30kSPS Very Low Noise Delta-Sigma ADC with Multiplexer

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Qty.Price
1 - 9 $ 17.64
10 - 24 $ 15.54
25 - 99 $ 14.28
100 - 249 $ 13.27
250 - 499 $ 12.10
500 - 749 $ 10.67
750 - 999 $ 9.49
1000 - 9999 $ 8.98

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Texas Instruments ADS1256IDBT

The ADS1255 and ADS1256 are extremely low-noise, 24-bit analog-to-digital (A/D) converters. They provide complete high-resolution measurement solutions for the most demanding applications.

The converter is comprised of a 4th-order, delta-sigma (ΔΣ) modulator followed by a programmable digital filter. A flexible input multiplexer handles differential or single-ended signals and includes circuitry to verify the integrity of the external sensor connected to the inputs. The selectable input buffer greatly increases the input impedance and the low-noise programmable gain amplifier (PGA) provides gains from 1 to 64 in binary steps. The programmable filter allows the user to optimize between resolution of up to 23 bits noise-free and data rate of up to 30k samples per second (SPS). The converters offer fast channel cycling for measuring multiplexed inputs and can also perform one-shot conversions that settle in just a single cycle.

Communication is handled over an SPI-compatible serial interface that can operate with a 2-wire connection. Onboard calibration supports both self and system correction of offset and gain errors for all the PGA settings. Bidirectional digital I/Os and a programmable clock output driver are provided for general use. The ADS1255 is packaged in an SSOP-20, and the ADS1256 in an SSOP-28.

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