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ADS1292

Texas Instruments
Part Number ADS1292
Manufacturer Texas Instruments
Description 24-Bit Analog Front-End
Published Jul 8, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community ADS1291, ADS1292, ADS1292R SBAS50...
Datasheet PDF File ADS1292 PDF File

ADS1292
ADS1292

Overview
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 converters (ADCs) with a built-in programmable gain amplifier (PGA), internal reference, and an onboard oscillator.
The ADS1291, ADS1292, and ADS1292R incorporate all features commonly required in portable, low-power medical electrocardiogram (ECG), sports, and fitness applications.
With high levels of integration and exceptional performance, the ADS1291, ADS1292, and ADS1292R enable the creation of scalable medical instrumentation systems at significantly reduced size, power, and overall cost.
The ADS1...


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