ADS1294

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design ADS1294, ADS1294R, ADS1296, ADS1296R, ADS1298, ADS1298R SBAS459K – JANUARY 2010 – REVISED AUGUST 2015 ADS129x Low-Power, 8-Channel, 24-Bit Analog Front-End for Biopotential Measurements 1 Features 1 Eight Low-Noise PGAs and Eight High-Resolution ADCs (ADS1298, ADS1298R) Low Power: 0.75 mW/channel Input-Referred Noise: 4 μVPP (150 Hz BW, G = 6) Input Bias Current: 200 pA Data Rate: 250 SPS to 32 kSPS CMRR: –115 dB Programmable Gain: 1, 2, 3, 4, 6, 8, or 12 Supports systems meeting AAMI EC11, EC13, IEC60601-1, IEC60601-2-27, and IEC60601-2-51 Standards Unipolar or Bipolar Supplies: – AVDD = 2.7 V to 5.25 V – DVDD = 1.65 V to 3.6 V Built-In Right Leg Drive Amplifier, Lead-Off Detection, Wilson Center Terminal, Pace Detection, Test Signals Integrated Respiration Impedance Measurement Digital Pace Detection Capability Built-In Oscillator and Reference SPI™-Compatible Serial Interface 2 Applications Medical Instrumentation (ECG, EMG, and EEG): Patient Monitoring; Holter, Event, Stress, and Vital Signs Including ECG, AED, Telemedicine Bispectral Index (BIS), Evoked Audio Potential (EAP), Sleep Study Monitor SPI Simplified Schematic REF Test Signals and Monitors ADS129xR Reference A1 RESP DEMOD ADC1 A2 ADC2 A3 ADC3 A4 MUX A5 ADC4 ADC5 Control A6 ADC6 A7 ADC7 SPI Oscillator CLK INPUTS 3 Description The ADS1294, ADS1296, ADS1...