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TI(德州仪器) ADS8555
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  • TI(德州仪器) ADS8555
  • TI(德州仪器) ADS8555
  • TI(德州仪器) ADS8555
  • TI(德州仪器) ADS8555
  • TI(德州仪器) ADS8555
  • TI(德州仪器) ADS8555
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ADS8555

ADS8555

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630kSPS、16 位、六通道、同步采样模数转换器 (ADC)

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The ADS8555 device contains six low-power, 16-bit, successive approximation register (SAR)-based analog-to-digital converters (ADCs) with true bipolar inputs. Each channel contains a sample-and-hold circuit that allows simultaneous high-speed multi-channel signal acquisition.

The ADS8555 device supports data rates of up to 630 kSPS in parallel interface mode or up to 450 kSPS if the serial interface is used. The bus width of the parallel interface can be set to eight or 16 bits. In serial mode, up to three output channels can be activated.

The ADS8555 device is specified over the extended industrial temperature range of –40°C to 125°C and is available in an LQFP-64 package.

  • Six SAR ADCs Grouped in Three Pairs
  • Maximum Data Rate Per Channel With Internal Clock and Reference: 630 kSPS (Parallel) or 450 kSPS (Serial)
  • Maximum Data Rate Per Channel With External Clock and Reference: 800 kSPS (Parallel) or 500 kSPS (Serial)
  • Pin-Selectable or Programmable Input Voltage Ranges: Up to ±12 V
  • Excellent AC Performance: 91.5-dB SNR, –94-dB THD
  • Programmable and Buffered Internal Reference: 0.5 V to 2.5 V and 0.5 V to 3 V
  • Comprehensive Power-Down Modes:
    • Deep Power Down (Standby Mode)
    • Auto-Nap Power Down
  • Selectable Parallel or Serial Interface
  • Operating Temperature Range: –40°C to 125°C
  • LQFP-64 Package

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  • APPLICATIONS
    • Power Quality Measurements
    • Protection Relays
    • Multi-Axis Motor Controls
    • Programmable Logic Controllers
    • Industrial Data Acquisition
  • Resolution (Bits)16
    Sample rate (max) (ksps)630
    Number of input channels6
    Interface typeByte-Wide, Parallel, SPI
    ArchitectureSAR
    Input typeSingle-ended
    Multichannel configurationSimultaneous Sampling
    RatingCatalog
    Reference modeExternal, Internal
    Input voltage range (max) (V)12
    Input voltage range (min) (V)-12
    FeaturesDaisy-Chainable, Oscillator
    Operating temperature range (°C)-40 to 125
    Power consumption (typ) (mW)335
    Analog supply (min) (V)4.5
    Analog supply voltage (max) (V)5.5
    SNR (dB)91.5
    Digital supply (min) (V)2.7
    Digital supply (max) (V)5.5
    LQFP (PM)64144 mm² 12 x 12
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