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ADS1293CISQX Datasheet(PDF) 1 Page - Texas Instruments |
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ADS1293CISQX Datasheet(HTML) 1 Page - Texas Instruments |
1 / 78 page ADS1293 Low-Power AFE for Biopotential Measurements RA LA LL RL MCU SPI Bus Product Folder Sample & Buy Technical Documents Tools & Software Support & Community ADS1293 SNAS602C – FEBRUARY 2013 – REVISED DECEMBER 2014 ADS1293 Low-Power, 3-Channel, 24-Bit Analog Front-End for Biopotential Measurements 1 Features 3 Description The ADS1293 incorporates all features commonly 1 • Three High-Resolution Digital ECG Channels With required in portable, low-power medical, sports, and Simultaneous Pace Output fitness electrocardiogram (ECG) applications. With • EMI-Hardened Inputs high levels of integration and exceptional • Low Power: 0.3 mW/channel performance, the ADS1293 enables the creation of scalable medical instrumentation systems at • Input-Referred Noise: 7 µVpp (40-Hz Bandwidth) significantly reduced size, power, and overall cost. • Input Bias Current: 175 pA The ADS1293 features three high-resolution channels • Data Rate: Up to 25.6 ksps capable of operating up to 25.6 ksps. Each channel • Differential Input Voltage Range: ±400 mV can be independently programmed for a specific • Analog Supply Voltage: 2.7 V to 5.5 V sample rate and bandwidth allowing users to optimize the configuration for performance and power. All input • Digital I/O Supply Voltage: 1.65 V to 3.6 V pins incorporate an EMI filter and can be routed to • Right-Leg Drive Amplifier any channel through a flexible routing switch. Flexible • AC and DC Lead-Off Detection routing also allows independent lead-off detection, right-leg drive, and Wilson/Goldberger reference • Wilson and Goldberger Terminals terminal generation without the need to reconnect • ALARMB Pin for Interrupt Driven Diagnostics leads externally. A fourth channel allows external • Battery Voltage Monitoring analog pace detection for applications that do not use • Built-In Oscillator and Reference digital pace detection. • Flexible Power-Down and Standby Modes The ADS1293 incorporates a self-diagnostics alarm system to detect when the system is out of the 2 Applications operating conditions range. Such events are reported to error flags. The overall status of the error flags is • Portable 1/2/3/5/6/7/8/12-Lead ECG available as a signal on a dedicated ALARMB pin. • Patient Vital Sign Monitoring: Holter, Event, The device is packaged in a 5-mm × 5-mm × 0.8-mm, Stress, and Telemedicine 28-pin LLP. Operating temperature ranges from • Automated External Defibrillator –20°C to 85°C. • Sports and Fitness (Heart Rate and ECG) Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) ADS1293 WQFN (28) 5.00 mm x 5.00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. 4 Application Diagram 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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