CDI64600 – 64-Channel, 16-Bit Current-to-Digital ADC

CDI64600 - 64-CHANNEL, 16-BIT CURRENT-TO-DIGITAL ADC

The CDI64600 represents a refined and improved version of CDI64500, offering several key enhancements:

  • Cost Efficiency: The cost per channel has been reduced through the utilization of an updated foundry process.
  • Input Flexibility: It supports the processing of both positive and negative input Currents via external reference voltage selection.
  • System Scalability: The multi-device capability has been doubled, allowing up to 32 devices to share the same data lines.
  • Data Readout Robustness: The communication link employs a synchronization preamble and CRC error-detection on all data packets to ensure robust and reliable data transfer. This includes internal configuration consistency checks via checksum and embedded timestamp monitoring, making the device suitable for very large-scale systems.
Description

The CDI64600 is a 64-channel device that integrates a charge amplifier and a 16-bit Analog-to-Digital Converter (ADC) per channel. This design is specifically engineered to offer the lowest power consumption per channel while supporting both positive or negative input currents and achieving low noise performance.
The device is available for ordering in a 9x9 mm FP-BGA package, as known good dies (KGD), or as complete 8" wafers, providing flexible integration options for your system.

Features
  • 64-channels, current-to-digital converter
  • Integrated 16-bit ADC per channel
  • Charge amplifier with full scale ranging from 1.75pC to 87.5pC (positive charge)
  • Gain can be programmed separately for 2 groups of 32 channels each
  • Correlated double sampling (CDS) for low noise and low offset drift
  • Programmable gain from 0.5pF to 25pF
  • Less than 1.5mW per channel
  • LVDS interface for data transfer and sequencing
  • I2C interface for device configuration
  • Up to 32 devices can be programmed and read out by sharing the same data lines
  • A robust packet encoding with CRC guarantees secure data readout, with embedded device monitoring information
  • Fully configurable sequencing and ADC resolution through a small RAM memory
  • Accepts positive or negative input current (selection through external reference voltages).
  • Custom FP-BGA package
Functional Block Diagram

asic-diagram-1

Datasheet

CDI64600 datasheet (PDF)

Contact Us

For further information, including pricing, configuration, and availability, please contact us.