Datasheet Details
| Part number | ADPD4000 |
|---|---|
| Manufacturer | Analog Devices |
| File Size | 1.34 MB |
| Description | Multimodal Sensor Front End |
| Download | ADPD4000 Download (PDF) |
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Overview: Data Sheet Multimodal Sensor Front End ADPD4000/ADPD4001.
| Part number | ADPD4000 |
|---|---|
| Manufacturer | Analog Devices |
| File Size | 1.34 MB |
| Description | Multimodal Sensor Front End |
| Download | ADPD4000 Download (PDF) |
|
|
|
Multimodal analog front end 8 input channels with multiple operation modes to accommodate the following measurements: PPG, ECG, EDA, impedance, and temperature Dual channel processing with simultaneous sampling 12 programmable time slots for synchronized sensor measurements Flexible input multiplexing to support differential and single-ended sensor measurements 8 LED drivers, 4 of which can be driven simultaneously Flexible sampling rate from 0.004 Hz to 9 kHz using internal oscillators On-chip digital filtering SNR of transmit and receive signal chain: 90 dB Ambient light rejection: 60 dB up to 1 kHz 400 mA total LED drive current Total system power dissipation: 50 µW (combined LED and AFE power), continuous PPG measurement at 75 dB SNR, 25 Hz ODR, 100 nA/mA CTR SPI and I2C communications supported 256-byte FIFO APPLICATIONS The ADPD4000/ADPD4001 operate as a complete multimodal sensor front end, stimulating up to eight LEDs and measuring the return signal on up to eight separate current inputs.
Twelve time slots are available, enabling 12 separate measurements per sampling period.
The data output and functional configuration utilize an I2C interface on the ADPD4001 or a serial port interface (SPI) on the ADPD4000.
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| Part Number | Description |
|---|---|
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