Overview
The AD8232ACPZ-WP, produced by Analog Devices Inc., is an integrated signal conditioning block designed specifically for electrocardiogram (ECG) and other biopotential measurement applications. This device is optimized to extract, amplify, and filter small biopotential signals even in noisy conditions, such as those caused by motion or remote electrode placement. It is ideal for various medical, healthcare, and fitness applications due to its high performance, stable operation, and low power consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Current | 170 | μA (typical) |
| Common-Mode Rejection Ratio | 80 | dB (dc to 60 Hz) |
| Signal Gain | 100 | V/V |
| High-Pass Filter | 2-pole adjustable | |
| Low-Pass Filter | 3-pole adjustable | |
| Operating Supply Voltage | 2.0 to 3.5 | V |
| Operating Temperature Range | −40 to +85 | °C |
| Package Type | 20-Lead LFCSP (4mm x 4mm) | |
| ESD Rating | 8 kV HBM |
Key Features
- Fully integrated single-lead ECG front end with low supply current of 170 μA (typical).
- High signal gain (G = 100) with dc blocking capabilities.
- Adjustable high-pass and low-pass filters to remove motion artifacts and noise.
- Integrated right leg drive (RLD) amplifier for improved common-mode rejection.
- Fast restore feature to quickly recover from leads off conditions.
- Uncommitted operational amplifier for additional filtering.
- Single-supply operation from 2.0 V to 3.5 V.
- Integrated reference buffer generates virtual ground.
- Rail-to-rail output and internal RFI filter.
- Shutdown pin for power management.
Applications
- ECG monitoring in medical and healthcare applications, such as in hospitals and clinics.
- Portable ECG devices for fitness and wellness tracking.
- Heart rate monitoring in sports and exercise equipment.
- Wearable devices for continuous health monitoring.
- Patient monitoring in hospitals and clinics.
Q & A
- What is the primary function of the AD8232ACPZ-WP?
The AD8232ACPZ-WP is designed to extract, amplify, and filter small biopotential signals, particularly for ECG and other biopotential measurement applications.
- What is the typical supply current of the AD8232ACPZ-WP?
The typical supply current is 170 μA.
- What is the common-mode rejection ratio of the AD8232ACPZ-WP?
The common-mode rejection ratio is 80 dB (dc to 60 Hz).
- What types of filters does the AD8232ACPZ-WP include?
The device includes a 2-pole adjustable high-pass filter and a 3-pole adjustable low-pass filter.
- What is the operating supply voltage range of the AD8232ACPZ-WP?
The operating supply voltage range is from 2.0 V to 3.5 V.
- What is the package type of the AD8232ACPZ-WP?
The device is available in a 20-Lead LFCSP (4mm x 4mm) package.
- What is the ESD rating of the AD8232ACPZ-WP?
The ESD rating is 8 kV HBM.
- Does the AD8232ACPZ-WP have a fast restore feature?
Yes, it includes a fast restore feature to quickly recover from leads off conditions.
- What are some common applications of the AD8232ACPZ-WP?
Common applications include ECG monitoring, portable ECG devices, heart rate monitoring in sports equipment, wearable devices, and patient monitoring in hospitals and clinics.
- Is the AD8232ACPZ-WP suitable for automotive applications?
Yes, it is qualified for automotive applications with a specified temperature range of −40°C to +105°C for W grade models.
