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ADS1259

Texas Instruments
Part Number ADS1259
Manufacturer Texas Instruments
Description 24-Bit ADC
Published Jul 8, 2020
Detailed Description ADS1259 www.ti.com SBAS424D – JUNE 2009 – REVISED AUGUST 2011 Industrial, 14kSPS, 24-Bit Analog-to-Digital Converter w...
Datasheet PDF File ADS1259 PDF File

ADS1259
ADS1259

Overview
ADS1259 www.
ti.
com SBAS424D – JUNE 2009 – REVISED AUGUST 2011 Industrial, 14kSPS, 24-Bit Analog-to-Digital Converter with Low-Drift Reference Check for Samples: ADS1259 FEATURES 1 •23 24 Bits, No Missing Codes • Output Data Rates From 10 To 14kSPS • High Performance: – INL: 0.
4ppm – Reference Drift: 2ppm/°C – Gain Drift: 0.
5ppm/°C – Offset Drift: 0.
05μV/°C – Noise: 0.
7μVRMS at 60SPS • Simultaneous 50/60Hz Rejection at 10SPS • Single-Cycle Settling • Internal Oscillator • Out-of-Range Detection • Readback Data Integrity by Checksum and Redundant Data Read Capability • SPI™-Compatible Interface • Analog Supply: +5V or ±2.
5V • Digital Supply: +2.
7V to +5V • Low Power: 13mW APPLICATIONS • Industrial Process Control • Scientific Instrumentation • Test and Measurement AVDD VREFP VREFN REFOUT SYNCOUT DVDD 2.
5V Reference fCLK/8 Clock Generator AINP AINN DS Modulator Programmable Digital Filter Calibration Engine Out-of-Range Detection Control and Serial Interface AVSS ADS1259 DGND XTAL1/CLKIN XTAL2 RESET/PWDN START DRDY SCLK DIN DOUT CS DESCRIPTION The ADS1259 is a high-linearity, low-drift, 24-bit, analog-to-digital converter (ADC) designed for the needs of industrial process control, precision instrumentation, and other exacting applications.
Combined with a signal amplifier (such as the PGA280), a high-resolution, high-accuracy measurement system is formed that is capable of digitizing a wide range of signals.
The converter uses a fourth-order, inherently stable, delta-sigma (ΔΣ) modulator that provides outstanding noise and linearity performance.
The data rates are programmable up to 14kSPS including 10SPS, 50SPS, and 60SPS that provide excellent normal mode line-cycle rejection.
The digital filter can be programmed for a fast settling mode where the conversions settle in a single cycle, or programmed for a high line-cycle rejection mode.
A fast responding input over-range detector flags the conversion data if an input over-range should occur.
The A...


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