ADS1292R

Product Folder Order Now Technical Documents Tools & Software Support & Community ADS1291, ADS1292, ADS1292R SBAS502C – DECEMBER 2011 – REVISED APRIL 2020 ADS129x Low-Power, 2-Channel, 24-Bit Analog Front-End for Biopotential Measurements 1 Features 1 Two low-noise PGAs and two high-resolution ADCs (ADS1292 and ADS1292R) Low power: 335 μW/channel Input-referred noise: 8 μVPP (150-Hz BW, G = 6) Input bias current: 200 pA Data rate: 125 SPS to 8 kSPS CMRR: 120 dB Programmable gain: 1, 2, 3, 4, 6, 8, or 12 Supplies: unipolar or bipolar – Analog: 2.7 V to 5.25 V – Digital: 1.7 V to 3.6 V Built-in right leg drive amplifier, lead-off detection, test signals Integrated respiration impedance measurement (ADS1292R) Built-in oscillator and reference Flexible power-down, standby mode SPI™-compatible serial interface Operating temperature range: –40°C to +85°C 2 Applications Medical instrumentation (ECG) including: – Patient monitoring: Holter, event, stress, and vital signs including ECG, AED, and telemedicine – Personal care and fitness monitors (heart rate, respiration, and ECG) High-precision, simultaneous, multichannel data acquisition SPI Simplified Block Diagram REF Test Signals and Monitors Reference SPI MUX (ADS1292R) A1 RESP DEMOD ADC1 A2 ADC2 To Channel Control Oscillator CLK INPUTS 3 Description The ADS1291, ADS1292, and ADS1292R are multichannel, simultaneous sampling, 24-bit, deltasigma (ΔΣ) analog-to-digital converte...