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ADAS1126 32-Channel, 24-Bit Current-to-Digital ADC

The ADAS1126 is a 32-channel, current-to-digital, analog-to-digital converter (ADC). It contains 32 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.

All converted channel results are output on a single LVDS self-clocked serial interface, which reduces external hardware.

An SPI-compatible serial interface allows configuration of the ADC using the SDI input. The SDO output allows the user to daisy-chain several ADCs on a single, 3-wire bus. The ADAS1126 uses the separate supply IOVDD to reduce the digital noise effect on the conversions.

The ADAS1126 is in a 10 mm × 10 mm, mini-BGA package. For more information on the ADAS1126, contact Analog Devices, Inc, at adas@analog.com.

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)

Data Sheets

Order Information

Evaluation Boards

Reference Materials

• Technical Articles：MS-2210: Designing Power Supplies for High Speed ADC