ADPD2214
ADPD2214 is High Sensitivity Optical Sensor manufactured by Analog Devices.
Data Sheet
Low Noise, High Sensitivity Optical Sensor ADPD2214
Features
Ultrahigh detectivity photodetector 90 f A/√Hz (typical) ultralow noise floor Signal-to-noise ratio (SNR) near shot noise limit 137 µA (typical) of supply current when active
(EE = 0 µW/cm2) 1 µA (typical) of supply current in standby High speed, deep junction photodiode Nominal linear output current: 240 µA (typical) Flexible output configuration Excellent pulse response High ambient light rejection Space-saving, 4 mm × 4 mm LFCSP package
APPLICATIONS
Heart rate, pulse oximetry monitoring (photoplethysmography)
Battery-powered medical sensors Chemical analysis
FUNCTIONAL BLOCK DIAGRAM
+
CURRENT AMPLIFIER
- ADPD2214
13722-001
PWDN GND
Figure 1.
GENERAL DESCRIPTION
The ADPD2214 is an optical sensor optimized for biomedical applications. Very low power consumption and near theoretical signal-to-noise ratio (SNR) are achieved by packaging an ultralow capacitance deep junction silicon...
