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ADS8028

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SAR-ADC mit 12 Bit, 8 Kanälen, 1MSPS, mit interner Referenz und internem Temperatursensor

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ADS7028 AKTIV Kleiner 8-kanaliger 12-Bit-Analog-Digital-Wandler (ADC) mit SPI, GPIOs und CRC Small size

ADS8028

AKTIV
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Produktdetails

Resolution (Bits) 12 Sample rate (max) (ksps) 1000 Number of input channels 8 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 17 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 72 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.25
Resolution (Bits) 12 Sample rate (max) (ksps) 1000 Number of input channels 8 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.25 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 17 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 SNR (dB) 72 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.25
WQFN (RTJ) 20 16 mm² (4 mm × 4 mm)
  • 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
  • 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

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 range of –40°C to +125°C.

The ADS8028 is ideal for demanding measurement applications, such as sensor output monitoring, power-supply monitoring, and printed circuit board (PCB) hot-spot analysis, and is available in a small form-factor QFN-20 package.

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 range of –40°C to +125°C.

The ADS8028 is ideal for demanding measurement applications, such as sensor output monitoring, power-supply monitoring, and printed circuit board (PCB) hot-spot analysis, and is available in a small form-factor QFN-20 package.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt 12-Bit, 1-MSPS, 8-Channel, SAR ADC w/ Internal Reference and Temperature Sensor datasheet (Rev. B) 28.03.2012
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs 21.05.2015

Design und Entwicklung

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Evaluierungsplatine

ADS8028EVM-PDK — ADS8028-Leistungs-Demokit

The ADS8028EVM-PDK is designed to evaluate the ADS8028. The ADS8028 is a 12-bit, 8-channel muxed, successive approximation register (SAR) analog-to-digital converter (ADC), with a maximum throughput rate of 1 MSPS. The ADS8028 also offers an internal 2.5V voltage reference and internal temperature (...)

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Simulationsmodell

ADS8028 IBIS Model (Rev. A)

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ADS8028 TINA-TI Reference Design

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