AFE0256

現行

適用平板數位 X 射線偵測器的 256 通道類比前端

產品詳細資料

Number of input channels 256 Resolution (Bits) 14 Features Differential Outputs, Internal Reference Buffer, Nap Mode, Power Down Interface type Serial Operating temperature range (°C) 0 to 85 Rating Catalog
Number of input channels 256 Resolution (Bits) 14 Features Differential Outputs, Internal Reference Buffer, Nap Mode, Power Down Interface type Serial Operating temperature range (°C) 0 to 85 Rating Catalog
DIESALE (TD) See data sheet
  • 256 Channels
  • On-Chip, 14-Bit ADC
  • High Performance:
    • Noise: 758 electronRMS (eRMS) with
      28-pF Sensor Capacitor in 1.2-pC Range
    • Integral Nonlinearity: ±1.25 LSB
      with Internal 14-Bit ADC
    • Minimum Scan Time:
      • Normal Mode:
        37.9 µs, Internal ADC
      • 2x Binning Mode: 26 µs, Internal ADC
  • Integration:
    • Eight Selectable, Full-Scale Ranges:
      • 0.15 pC (min) to 9.6 pC (max)
    • Built-In Correlated Double Sampler
    • 2x Binning for Faster Throughput:
      • Averages
        Charge of Two Adjacent Channels
    • Pipelined Integration and Read:
      • Allows Data Read During Integration
  • Flexibility:
    • Electron and Hole Integration
    • Analog Output Provided for External
      High-Resolution ADC
  • Low Power:
    • 2.9 mW per Channel with ADC
    • 2.3 mW per Channel without ADC
    • 0.1 mW per Channel in Nap Mode
    • Total Power-Down Feature
  • 22-mm × 5-mm Gold-Bump Die Suitable for
    Tape Carrier Package (TCP) or Chip-on-Film (COF)
  • 256 Channels
  • On-Chip, 14-Bit ADC
  • High Performance:
    • Noise: 758 electronRMS (eRMS) with
      28-pF Sensor Capacitor in 1.2-pC Range
    • Integral Nonlinearity: ±1.25 LSB
      with Internal 14-Bit ADC
    • Minimum Scan Time:
      • Normal Mode:
        37.9 µs, Internal ADC
      • 2x Binning Mode: 26 µs, Internal ADC
  • Integration:
    • Eight Selectable, Full-Scale Ranges:
      • 0.15 pC (min) to 9.6 pC (max)
    • Built-In Correlated Double Sampler
    • 2x Binning for Faster Throughput:
      • Averages
        Charge of Two Adjacent Channels
    • Pipelined Integration and Read:
      • Allows Data Read During Integration
  • Flexibility:
    • Electron and Hole Integration
    • Analog Output Provided for External
      High-Resolution ADC
  • Low Power:
    • 2.9 mW per Channel with ADC
    • 2.3 mW per Channel without ADC
    • 0.1 mW per Channel in Nap Mode
    • Total Power-Down Feature
  • 22-mm × 5-mm Gold-Bump Die Suitable for
    Tape Carrier Package (TCP) or Chip-on-Film (COF)

The AFE0256 is a 256-channel analog front-end (AFE) designed to suit the requirements of flat-panel detector (FPD)-based digital x-ray systems. The device includes 256 integrators, a programmable gain amplifier (PGA) for full-scale charge level selection, a correlated double sampler (CDS) with dual banking, 256:4 analog multiplexers, and four differential output drivers.

The device also features four 14-bit successive-approximation register (SAR) analog-to-digital converters (ADCs) on board. Serial data from the ADCs are available in SPI format.

Hardware-selectable integration polarity allows positive or negative charge integration and provides more flexibility in system design. The Nap feature enables substantial power saving that is especially useful in battery-powered systems.

The AFE0256 is available as a 22-mm × 5-mm singulated format with known good gold-bump dies.

The AFE0256 is a 256-channel analog front-end (AFE) designed to suit the requirements of flat-panel detector (FPD)-based digital x-ray systems. The device includes 256 integrators, a programmable gain amplifier (PGA) for full-scale charge level selection, a correlated double sampler (CDS) with dual banking, 256:4 analog multiplexers, and four differential output drivers.

The device also features four 14-bit successive-approximation register (SAR) analog-to-digital converters (ADCs) on board. Serial data from the ADCs are available in SPI format.

Hardware-selectable integration polarity allows positive or negative charge integration and provides more flexibility in system design. The Nap feature enables substantial power saving that is especially useful in battery-powered systems.

The AFE0256 is available as a 22-mm × 5-mm singulated format with known good gold-bump dies.

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* Data sheet 256-Channel Analog Front-End for Flat-Panel Digital X-Ray Detector . datasheet (Rev. A) 2013年 8月 23日

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