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ADS8028

Part Number	ADS8028
Manufacturer	Texas Instruments
Description	12-Bit 1-MSPS 8-Channel SAR ADC
Published	May 20, 2022
Detailed Description	ADS8028 www.ti.com SBAS549B – MAY 2011 – REVISED MARCH 2012 12-Bit, 1-MSPS, 8-Channel, SAR ADC with Internal Referenc...
Datasheet	ADS8028 PDF File

Overview

ADS8028 www.
ti.
com SBAS549B – MAY 2011 – REVISED MARCH 2012 12-Bit, 1-MSPS, 8-Channel, SAR ADC with Internal Reference and Internal Temperature Sensor Check for Samples: ADS8028 FEATURES 1 •23 Outstanding Performance: – Throughput: Up to 1 MSPS – No Missing Codes: 12 Bits – INL: ±0.
5 LSB – SNR: 72 dB • Highly Integrated: – Eight Analog Inputs – High-Resolution Internal Temperature Sensor – Nine-Channel Multiplexer with Channel Sequencer – Low-Drift Internal Voltage Reference • Wide Supply Range: – Analog Supply (AVDD): 2.
7 V to 5.
25 V – Digital Supply (DVDD): 1.
65 V to 5.
25 V • Low Power: – 17 mW at 1 MSPS – Flexible Power-Down Modes • SPI™-Compatible Serial Interface: 20 MHz • Small Footprint: 4-mm × 4-mm, Thin QFN-20 APPLICATIONS • Programmable Logic Controls (PLCs) • Industrial Process Controls (IPCs) • Telecommunications • Power-Supply Monitoring • PCB Hot-Spot Analysis • Battery-Powered Applications DESCRIPTION The ADS8028 is a 12-bit analog-to-digital converter (ADC), capable of operating at sampling speeds up to 1 MSPS.
The device is based on a successive approximation register (SAR) core and provides an inherent sample-and-hold (SH) front-end.
In addition to having eight analog input channels, the ADS8028 offers an internal temperature sensor with 0.
25°C resolution and an internal voltage reference.
A nine-channel internal multiplexer enables multiple channels to be selected (including the internal temperature sensor) that are indefinitely scanned in a sequential manner.
A simple SPI-compatible serial interface provides easy communication and control between the device and host controller.
The digital supply can operate from 1.
65 V to 5.
25 V, enabling direct interface with a wide range of processors and controllers.
At full speed of 1 MSPS, the ADS8028 dissipates only 17 mW.
The device offers flexible power-down modes to save power when conversions are not being performed.
The ADS8028 performance is specified over the extended industrial temperature r...

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