ADAS1000-3 Low Power, 3-Electrode Electrocardiogram (ECG) Analog Front End

ECG: monitor and diagnostic

The ADAS1000-3/ADAS1000-4 measure electro cardiac (ECG) signals, thoracic impedance, pacing artifacts, and lead-on/off status and output this information in the form of a data frame supplying either lead/vector or electrode data at programmable data rates. Its low power and small size make it suitable for portable, battery-powered applications. The high performance also makes it suitable for higher end diagnostic machines.

The ADAS1000-4 is a full-featured, 3-channel ECG including respiration and pace detection, while the ADAS1000-3 offers only ECG channels with no respiration or pace features.

The ADAS1000-3/ADAS1000-4 are designed to simplify the task of acquiring and ensuring quality ECG signals. They provide a low power, small data acquisition system for biopotential applications. Auxiliary features that aid in better quality ECG signal acquisition include: multichannel averaged driven lead, selectable reference drive, fast overload recovery, flexible respiration circuitry returning magnitude and phase information, internal pace detection algorithm operating on three leads, and the option of ac or dc lead-off detection. Several digital output options ensure flexibility when monitoring and analyzing signals. Value-added cardiac post processing is executed externally on a DSP, microprocessor, or FPGA.

Because ECG systems span different applications, the ADAS1000-3/ADAS1000-4 feature a power/noise scaling architecture where the noise can be reduced at the expense of increasing power consumption. Signal acquisition channels may be shut down to save power. Data rates can be reduced to save power.

To ease manufacturing tests and development as well as offer holistic power-up testing, the ADAS1000-3/ADAS1000-4 offer a suite of features, such as dc and ac test excitation via the calibration DAC and CRC redundancy testing in addition to readback of all relevant register address space.

The input structure is a differential amplifier input thereby allowing users a variety of configuration options to best suit their application.

The ADAS1000-3/ADAS1000-4 are available in two package options: either a 56-lead LFCSP or a 64-lead LQFP package; they are specified over −40°C to +85°C temperature range.

APPLICATIONS

Features and Benefits
  • Biopotential signals in; digitized signals out
  • 3 acquisition (ECG) channels and one driven lead
  • Can be ganged for 8 electrode + RLD using
    Master ADAS1000 or ADAS1000-1
  • AC and DC lead-off detection
  • Internal pace detection algorithm on 3 leads
    Support for user’s own pace
  • Thoracic impedance measurement (internal/external path)
  • Selectable reference lead
  • Scalable noise vs. power control, power-down modes
  • Low power operation from
    11 mW (1 lead), 15 mW (3 leads)
  • Lead or electrode data available
  • See data sheet for additional features
Analog to Digital Converters
Data Sheets
Documentnote
ADAS1000-3/ADAS1000-4: Low Power, Three Electrode Electrocardiogram (ECG) Analog Front End Data Sheet (Rev. B)PDF 1383 kB
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
ADAS1000-3BCPZ ProductionLFCSP:LEADFRM CHIP SCALEOTH 260-40 to 85C1211.4Y
ADAS1000-3BCPZ-RL ProductionLFCSP:LEADFRM CHIP SCALEREEL 2500-40 to 85C011.4Y
ADAS1000-3BSTZ Production64 ld LQFP (10x10mm)OTH 160-40 to 85C11.410.83Y
ADAS1000-3BSTZ-RL Production64 ld LQFP (10x10mm)REEL 1500-40 to 85C010.83Y
Evaluation Boards
Part NumberDescriptionPriceRoHS
EVAL-ADAS1000SDZEvaluation Board199Y
EVAL-SDP-CB1ZEvaluation Controller Board99Y
Reference Materials
ADAS1000-3/ADAS1000-4: Low Power, Three Electrode Electrocardiogram (ECG) Analog Front End Data Sheet (Rev. B) adas1000-3
ADAS1000-3/ADAS1000-4:低功耗、3电极心电图(ECG)模拟前端 (Rev. A) adas1000-3
ADAS1000参考代码 adas1000
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