AMEYA360:Ams OSRAM TOPLED D5140 Broadband Silicon PIN Photodiode (SFH 2202) provides higher sensitivity to visible light in the green wavelength and increased linearity (30x higher) than standard photodiodes on the market. By reducing the effect of interference from ambient light and improving the received optical signal quality, these enhanced features enable smart watches, activity trackers, and other wearables to measure heart rate and blood oxygen saturation (SpO2) more accurately.
The SFH 2202 photodiode allows system operation with lower LED light intensity, saving power and extending battery run-time while maintaining highly accurate measurements. The specially designed package with black sidewalls minimizes internal cross-talk, further decreasing errors in optical measurements and increasing the constancy of heart rate measurements.
FEATURES
Clear silicone package
ESD of 2kV acc. to ANSI/ESDA/JEDEC JS-001 (HBM, Class 2)
Especially suitable for applications from 400nm to 1100nm
Small outline dimensions
Suitable for reflow soldering
Enhanced green sensitivity
Speed-enhanced PD for 940nm
APPLICATIONS
Digital diagnostic devices
Vital sign monitoring
SPECIFICATIONS
16V maximum reverse voltage
150mW maximum total power dissipation
830nm typical wavelength of maximum sensitivity
400nm to 1100nm typical spectral range of sensitivity
3.2A to 4.1A typical photocurrent range
8.12mm2 typical radiant sensitive area
2.85mm x 2.85mm typical active chip area dimensions (LxW)
60° typical half angle
Dark current
0.07nA typical at 5V
25nA maximum at 10V, 0.1nA typical
75ns to 250ns typical rise time range
75ns to 200ns typical fall time range
1.1V typical forward voltage
23pF capacitance
-40°C to +85°C operating temperature range
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