GENERAL DESCRIPTION
The ADAS1127 is a 64-channel, current-to-digital, analog-todigital converter (ADC). It contains 64 low power, low noise, low input current integrators, simultaneous sample-and-holds, and a high speed, high resolution ADCs with configurable sampling rate and resolutions up to 24 bits.

FEATURES
   64-channel, low level current-to-digital converter
   Up to 24-bit resolution
   Up to 19.7 kSPS (50.7 µs integration time)
   Simultaneous sampling
   Ultralow noise (down to 0.4 fC [2500e−])
   User-adjustable full-scale range
   INL: ±0.025% of reading ±0.75 ppm of FSR
   Very low power dissipation: 6.25 mW/channel
   LVDS self-clocked serial data interface
   SPI configuration registers (daisy-chain)
   On-board temperature sensor and reference buffer
   10 mm × 10 mm, mini-BGA package
   Low cost external components
   Support tools
      Evaluation board
      Reference design with reference layout
      FPGA Verilog code

APPLICATIONS
   Medical, industrial, and security CT scanner data acquisition
   Photodiode sensors
   Dosimetry and radiation therapy systems
   Optical fiber power monitoring
   X-ray detection systems
   High channel-count data acquisition systems (current or voltage inputs)