AD8231ACPZ-WP is a single-supply instrumentation amplifier by ADI optimized for biopotential ECG acquisition, integrated right leg drive (RLD) circuit in LFCSP16 package, low 2.0V~3.6V battery supply with ultra-low noise and high CMRR. Targeted for portable cardiac monitors & biomedical signal capture hardware. Suffix WP denotes water/moisture-resistant wafer-level packaging protection.

1. Device Type: Dedicated biomedical instrumentation amp for ECG biopotential signals 2. Supply Voltage: 2.0V ~ 3.6V lithium single battery supply 3. CMRR Common-Mode Rejection: 120dB @ 50Hz line interference 4. Integrated Functions: RLD right leg drive, high-pass filter to eliminate baseline drift 5. Gain Stages: Hardware programmable ×2 / ×4 / ×8 / ×16 gain 6. Package: LFCSP-16 miniature exposed pad package 7. Temp Range: Commercial medical grade 0℃ ~ +70℃

1. Natively ECG-dedicated architecture with integrated RLD right leg drive to suppress human-body 50Hz line interference 2. Ultra-low 2.0V single supply extends coin-cell battery runtime for portable patient monitors 3. On-chip high-pass filter auto eliminates electrode-contact baseline drift without external capacitors 4. Programmable hardware gain adapts to varying ECG amplitude for adult / pediatric patients 5. WP moisture-resistant packaging suitable for skin-contact wearable medical hardware

1. Portable handheld ECG monitors, wearable heart-rate bracelet biopotential acquisition 2. Home-use medical SpO2+EC