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CD12AD11
Weak Signal Acquisition ASIC Chip
CD12AD11
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High-integration ASIC chip for weak signal acquisition
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  • CD12AD11-DIE
    CD12AD11-DIE
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  • CD12AD11D
    CD12AD11D
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  • CD12AD11B
    CD12AD11B
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  • Supply Voltage(V): 2.2V to 3.6V
  • Target Detector: Pyroelectric
  • SNR(dB): 84
  • Operating Current(μA)(@500sps): -40
  • Input Range (mV)(Differential): ±82
  • Sampling Rate: 125sps to 8ksps
  • Temperature Range(°C): -40 to 85


  • CD ADC™ Micro-Signal Direct Conversion Technology: Eliminates the need for complex multi-stage amplification chains, enabling direct digitization of micro-signals
  •  High-Precision Analog-to-Digital Converter (ADC)
  • Output LSB as low as 2.5μV
  • Full-Scale Range (FSR): 82mV
  • Flexible Sampling Rate Control

    -- High-Performance Mode: 125Hz~1kHz

    -- High-Speed Mode: Up to 8kHz

  • Signal-to-Noise Ratio (SNR): Up to 84dB
  • Common-Mode Rejection Ratio (CMRR): >90dB
  • Equivalent Differential Input Capacitance:<1.5pf
  • Dual-Channel Continuous Operating Current: Only 40μA @ 500sps
  • I2C Communication Interface for Configuration and Signal Reading
  • SDA Pin Multiplexable as Interrupt Output
  • Conversion Complete Interrupt and Conditional Interrupt, Reducing MCU Duty Cycle
  • Single-Wire Transmission Interface DOCI (Data Out Clock In)
  • Built-in Multiple Digital Filters

    -- Programmable Low-Pass Filter

    -- Programmable High-Pass Filter

  • Ultra-Small DFN-8 (2mm * 2mm) Package
  • Die Form Available
  • Wide Operating Voltage Range: 2.2V~3.6V
  • Thermopile Detector
  • Low-Side Current Sensing


Description
The CD12AD1X series is a high-integration ASIC chip for weak signal acquisition, with the core goal of solving the "impossible triangle" dilemma of traditional discrete component solutions between high performance, low power consumption and design complexity. Leveraging the proprietary CD ADC™ technology, it can build the shortest and purest signal path from the sensor to the digital domain without the need for a PGA. The single-chip design integrates complex analog front-ends into simple digital interface docking, providing customers with an integrated solution featuring high performance, low power consumption and cost-effectiveness, while shortening the R&D cycle and helping products launch quickly. The CD12AD1X boasts low power consumption, delivering excellent battery life for portable and IoT devices.
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Products Selection
  • CD12AD11-DIE
    CD12AD11-DIE
    Package：Die Price：

    Package：Die

    Stock：1000

    package Qty：

    Price：

  • CD12AD11D
    CD12AD11D
    Package：DFN-8 Price：

    Package：DFN-8

    Stock：1000

    package Qty：

    Price：

  • CD12AD11B
    CD12AD11B
    Package：DFN-8 Price：

    Package：DFN-8

    Stock：1000

    package Qty：

    Price：

Price：
Quantity：
Total：$0.00
Add to Cart