AD8233ACBZ-R7

AD8233 is an integrated signal conditioning block for electrocardiogram (ECG) and other biopotential measurement applications. It is designed to extract, amplify, and filter small biopotential signals in the presence of noisy conditions, such as those created by motion or remote electrode placement. This design allows an ultralow power analogue-to-digital converter (ADC) or an embedded microcontroller to easily acquire the output signal. It implements a two-pole, high-pass filter for eliminating motion artifacts and the electrode half cell potential. This filter is tightly coupled with the instrumentation amplifier architecture to allow both large gain and high-pass filtering in a single stage, thereby saving space and cost. It is used in application such as fitness and activity heart rate monitors, portable ECG, wearable and remote health monitors, gaming peripherals, biopotential signal acquisition, such as EMG or EEG.

• Single-supply voltage from 1.7V to 3.5V
• Fully integrated, single-lead ECG front end
• Low quiescent supply current is 50µA typical
• 2-electrode and 3-electrode configurations
• High signal gain (G = 100) with dc blocking capabilities, 2-pole adjustable high-pass filter
• Accepts upto ±300mV of half cell potential, fast restore feature improves filter settling
• Uncommitted op-amp, 3-pole adjustable low-pass filter with adjustable gain
• Integrated RLD amplifier with shutdown, integrated reference buffer generates virtual ground
• Rail-to-rail output, internal RFI filter, 8KV HBM ESD rating, shutdown pin
• Operating temperature range from -40°C to +85°C, package style is 20-lead WLCSP

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party