SBASB28
June 2024
AFE159RP4
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Device and Documentation Support
5.1
Receiving Notification of Documentation Updates
5.2
Support Resources
5.3
Trademarks
5.4
Electrostatic Discharge Caution
5.5
Glossary
6
Revision History
7
Mechanical, Packaging, and Orderable Information
7.1
Package Option Addendum
7.2
Tape and Reel Information
7.3
Mechanical Data
1
Features
Integrated Signal Chain for ECG, Pace Detection, and Respiration Measurement
ECG Receiver
EMI-hardened inputs
Four high resolution channels at low power of 0.42mW/channel
Flexible four leads selectable from six electrodes
Programmable gain: 1.25 to 9
Input-referred noise: 4μV
PP
in 150Hz BW
Differential input range: ±1V with Gain = 4
CMRR: 140dB
Data rate: 250SPS to 128kSPS
Pace Detection
On-chip digital pace detection algorithm on programmable two leads
High-speed 128kSPS pace output on two channels for software pace detection
Respiration
Low-noise of 24mΩ
PP
with 2kΩ body impedance and 1kΩ protection on each electrode
Supports Sine and Square wave excitation
Other Features
Built-in right leg drive amplifier steerable to any electrode
DC lead-off detection, AC lead impedance detection, Wilson Center Terminal (WCT), Goldberger Central Terminals (GCT), test signals
Battery voltage monitoring
Flexible power-down and standby modes
Built-in PLL and reference
1k sample main FIFO and 2k sample pace FIFO
SPI-compatible serial interface
Analog supply voltage 1: 3.15V to 5.25V
Analog supply voltage 2: 1.7V to 1.9V
I/O supply voltage: 1.65V to 3.6V
Supports systems meeting AAMI EC11, EC13, EC38, IEC60601-1, IEC60601-2-25, IEC60601-2-27, and IEC60601-2-51 standards