ADS1294R
ADS1294R is 24-Bit Analog Front-End manufactured by Texas Instruments.
- Part of the ADS1294 comparator family.
- Part of the ADS1294 comparator family.
Features
- 1 Eight Low-Noise PGAs and Eight High-Resolution ADCs (ADS1298, ADS1298R)
- Low Power: 0.75 m W/channel
- Input-Referred Noise: 4 μVPP (150 Hz BW, G = 6)
- Input Bias Current: 200 p A
- Data Rate: 250 SPS to 32 k SPS
- CMRR:
- 115 d B
- 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™-patible 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
Simplified Schematic
Test Signals and Monitors
ADS129x R
Reference
A1
RESP DEMOD
ADC1
A2
ADC2
A3
ADC3
A4 MUX
A5
ADC4 ADC5
Control
A6
ADC6...