Up to 8 low-noise PGAs and 8 high-resolution simultaneous sampling ADCs

Input reference noise: 4μVPP@150Hz BW,G=6(CBM24AD98Q),1μVPP@70Hz BW(CBM24AD99Q)

Input bias current: 200 pA(CBM24AD98Q),300 pA(CBM24AD99Q)

Data rates: 250 SPS to 32kSPS(CBM24AD98Q),250 SPS to 16kSPS(CBM24AD99Q)

Common-mode rejection ratio: -115 dB(CBM24AD98Q), -110dB(CBM24AD99Q)

Single or bipolar power supply:

  Analog: 2.7V to 5.5V(CBM24AD98Q)

  Digital: 1.7V to 3.3V(CBM24AD98Q)

  Analog: 4.5V to 5.5V(CBM24AD99Q)

  Digital: 1.8V to 3.3V(CBM24AD99Q)

Built-in bias drive amplifier, lead-off detection, test signal

Built-in oscillator

Internal or external reference

Flexible power-down and standby modes

Pin-compatible and program-compatible with ADS1298,ADS1299

SPI-compatible serial interface

Operating temperature range: –40℃ to +85℃

Outstanding Noise Performance:

The CBM24AD9X series features up to 8 low-noise programmable gain amplifiers (PGA) and 8 high-resolution simultaneous sampling ADCs, with an input reference noise as low as 4 μVPP (150Hz bandwidth, gain of 6), ensuring accurate measurements in various environments. This exceptional noise performance enables high-quality data even in low signal measurement environments, providing reliable evidence for medical diagnostics.

Flexible Design and Applications: 

This chip supports single or bipolar power supplies, has programmable gain (1, 2, 4, 6, 8, 12, or 24), and adjustable data rates from 250 SPS to 32kSPS, catering to different measurement needs. This flexibility makes the CBM24AD9X series widely applicable in various medical devices, from portable ECG machines to high-end patient monitoring systems.

Built-in Functions to Reduce System Complexity: 

With built-in right-leg drive amplifiers, lead-off detection, test signals, Wilson central terminal, and enhanced electrode circuits, the design process is simplified, saving development time and cost. Engineers can leverage these integrated features to quickly develop and deploy high-performance bioelectric potential measurement systems without the need for additional external components.

Strong Compatibility: 

The CBM24AD9X series is pin and program compatible with the ADS1298, facilitating upgrades of existing systems. Users of ADS1298 can easily upgrade to the CBM24AD9X series, benefiting from its superior performance and features without significant hardware and software modifications.

Reliable Performance: 

With an operating temperature range of -40°C to +85°C, it is suitable for applications in various harsh environments. Whether in extremely cold conditions or high temperature and humidity, the CBM24AD9X series can operate stably, ensuring the reliability and durability of the equipment.

Electrocardiogram (ECG): 

The high resolution and low noise characteristics of the CBM24AD9X series make it an ideal choice for ECG devices. It can capture subtle ECG signal changes, helping doctors accurately diagnose heart diseases. Its high data rate (up to 32kSPS) and high gain settings (up to 24 times) provide clear ECG waveforms, ensuring detection of minor changes in each cardiac cycle.

Electromyography (EMG) and Electroencephalography (EEG): 

The CBM24AD9X series performs excellently in EMG and EEG applications. Its multi-channel simultaneous sampling capability (up to 8 channels) can simultaneously record multiple muscle or brain electrical activity signals, providing detailed data support for neurology and sports medicine. With noise levels as low as 4 μVPP, it can accurately capture low-intensity bioelectric signals, ensuring high precision and reliability of the data.

Patient Monitoring Equipment: 

The CBM24AD9X series can be integrated into various patient monitoring devices, monitoring the patient's vital signs in real-time and providing accurate physiological parameters to ensure patient safety. For example, key indicators such as heart rate, respiratory rate, blood oxygen saturation (SpO2), and blood pressure can be accurately measured by the CBM24AD9X series' high-precision ADC. Its multi-channel design and low power consumption are particularly suitable for portable monitoring devices and long-term monitoring systems.

Dynamic Electrocardiogram: 

Its high data rate and low power design are particularly suitable for dynamic ECG devices, allowing long-term recording of the patient's ECG signals and providing comprehensive heart health data. The CBM24AD9X series ensures continuous, uninterrupted data collection when recording dynamic ECGs, providing detailed cardiac activity analysis to help doctors identify and diagnose potential heart problems.

Vital Signs Monitoring: 

The CBM24AD9X series plays an important role in vital signs monitoring. Its high resolution and multi-channel design can simultaneously monitor multiple physiological parameters such as heart rate, respiratory rate, blood pressure, and blood oxygen saturation, providing a comprehensive health status assessment. The built-in right-leg drive amplifier and lead-off detection function ensure the stability and reliability of the signal, reducing measurement errors and interference.

Automated External Defibrillator (AED): 

In AED devices, the CBM24AD9X series provides high-precision ECG signal detection, helping the device accurately determine arrhythmias and provide timely shock treatment. Its fast response and high precision ensure reliable data support in emergency situations, saving the patient's life.

Bispectral Index (BIS) Monitoring: 

BIS monitoring is used for anesthesia depth assessment. The CBM24AD9X series can accurately record brain electrical activity and provide real-time BIS index, helping anesthesiologists adjust anesthesia dosage, ensuring patient safety and comfort. Its high precision and low noise characteristics provide clear brain electrical signals even in complex surgical environments.

Sleep Monitors: 

The CBM24AD9X series also performs well in sleep monitoring. It can record various physiological signals such as heart rate, respiratory rate, and brain waves, providing a comprehensive sleep quality assessment to help doctors diagnose sleep disorders and formulate treatment plans. Its high resolution and low power design are particularly suitable for portable and home use sleep monitoring devices.

Corebai Microelectronics is committed to providing high-quality integrated circuits and solutions. With the launch of the CBM24AD9X series, we have further strengthened our leading position in the medical electronics field. The CBM24AD9X series not only improves the accuracy and reliability of medical devices but also significantly reduces system power consumption and overall cost, injecting new momentum into the innovative development of medical equipment.

Whether it is an ECG machine or a complex multi-parameter patient monitoring system, the CBM24AD9X series can provide excellent performance and reliability, helping medical professionals better monitor and diagnose patient health conditions. Choosing the CBM24AD9X series means choosing precision, stability, and efficiency.

For more information about the CBM24AD9X series, or to obtain samples and technical support, please visit the Corebai Microelectronics website or contact our sales team. We look forward to working with you to promote the advancement and development of medical technology.