AFE4960P中文资料具有集成式呼吸和起搏信号检测功能的双通道 ECG 和 PPG 模拟前端数据手册TI规格书

特性 Features

• Supports ECG and respiration impedance measurement; configurable as 2-channel ECG or 1-channel ECG + 1-channel respiration
• 222 µA/channel while operating as 2-channel ECG
• Supports a 3-lead ECG, extendable to 5 leads or higher by operating two or more AFEs in parallel
• ECG signal chain:
• 2 channel ECG acquisition up to 1.36 kHz/channel
• Programmable INA gain from approximately 2 to 12
• Input noise (0.5-150 Hz): 13 µVpp at INA gain of 3; 5 µVpp at INA gain of 12
• Mode for continuous lead on/off detection
• Bio-Z signal chain:
• Sine wave or square wave excitation
• Dual channel ECG channel:
• PPG Signal Chain
• Flexible allocation of 4 LED, 4 PD in each phase
• Low noise current DAC at input to cancel DC
• Filter to reduce sensor’s optical noise bandwidth
• External clock and internal oscillator modes
• SPITM, I2C interfaces: Selectable by pin
• Supplies: Rx:1.7-1.9 V, IO:1.7-1.9 V , Tx: 3.0-5.5 V