Texas Instruments

ADS1298CZXGT

ADS1298CZXGT Description

The ADS1298CZXGT from Texas Instruments is a high-performance, 8-channel, 24-bit analog front-end (AFE) designed for precision biopotential signal acquisition. Packaged in a compact 64-NFBGA (5mm × 5mm) form factor, this IC integrates low-noise programmable gain amplifiers (PGAs), high-resolution delta-sigma ADCs, and flexible digital interfaces. It operates with dual power supplies: 2.7V–5.5V (analog) and 1.65V–3.6V (digital), ensuring compatibility with mixed-voltage systems while consuming just 14.1 mW per channel. The device is RoHS3 compliant, REACH unaffected, and rated for MSL 3 (168 hours), making it suitable for industrial and medical applications requiring long-term reliability.

ADS1298CZXGT Features

• Ultra-Low Power: Optimized for battery-operated devices with 14.1 mW total power dissipation.
• High Resolution: 24-bit ADC with low noise (1µVpp) enables precise signal capture for sensitive measurements.
• Integrated Design: Combines 8-channel PGAs, ADCs, and a built-in reference, reducing external component count.
• Flexible Interface: Supports SPI-compatible serial communication for seamless MCU integration.
• Robust Packaging: 64-NFBGA ensures space efficiency and thermal performance in dense PCB layouts.
• Wide Supply Range: Dual-voltage operation accommodates diverse system architectures.

ADS1298CZXGT Applications

• Medical Diagnostics: Ideal for ECG, EEG, EMG, and patient monitoring systems due to its low noise and high CMRR.
• Portable Health Devices: Enables compact, low-power designs for wearable biosensors and Holter monitors.
• Industrial Sensors: Suitable for high-precision strain gauge and biometric signal conditioning.
• Research Equipment: Used in neurological studies and biopotential research where signal integrity is critical.

Conclusion of ADS1298CZXGT

The ADS1298CZXGT stands out as a versatile, high-performance AFE for applications demanding low noise, low power, and high integration. Its 8-channel 24-bit architecture, combined with Texas Instruments’ reliability, makes it a top choice for medical, industrial, and portable designs. Whether for clinical-grade diagnostics or battery-powered wearables, this IC delivers unmatched precision and efficiency.