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SFC160 160*160 sensor

    Overview

          The SFC160S is a powerful capacitive fingerprint sensor with SPI interface. There are 160x160 sensor pixels to construct sensor area of 8.0´8.0 mm2 because each pixel size is 50´50 µm2. It is used to detect fingerprint capacitance change with difference between the ridge and valley of user’s fingers.

          Host can control or access the SFC160S easily depending on the SPI command protocol. The SFC160S can provide above 30 frames/sec fingerprint data to host due to high speed scan rate of analog front end (AFE) and high speed communication of SPI. It can offer enough fingerprint information within a short time, so as to shorten the time to identify. In addition to original fingerprint data transmitted to HOST via SPI interface, the SFC160S also provides 64-bit key data encryption for security purposes to protect the original fingerprint data.

          For low power consumption issue, the SFC160S has IDLE mode to implement finger-on detection. When in finger detection mode, it can provide about 50 µA and in Power Down mode, it just consumes less 3 µA.

    Features
    • Image resolution 508 DPI                                
    • 2D sensor array of 160x160 pixels                                          
    • Active sensing area 8 mm x 8 mm                               
    • Built-in 14-bit ADC for digitizing image                             
    • Built-in programmable voltage reference
    • High speed SPI interface  
    • 0.03 sec read out time
    • 128-byte on-chip data 
    • 1.8 Volt ~3.3±10% I/O communication   
    • RoHS compliant

    Applications
    • Authentication on Card Reader
    • Personal handheld devices (Mobile/Tablet/Notebook)

    Specifications
    Parameter Value
    Unit
    Active Area 160x160
    pixel
    Frame Rate 1/30
    Second
    Resolution 508
    DPI
    Interface SPI
    -
    Power Consumption: Sleep Mode <3
    μA
    Power Consumption: Standby Mode <50
    μA
    Power Consumption: Fingerprint Sensing <16
    μA
    Operating Voltage: System Operating 2.8~3.3
    V
    Operating Voltage: IO Operating 1.8~3.3
    V
    Dimensions (Outside with PCB) 12.40x11.00x0.63
    mm
    Dimensions (Inside) 8x8
    mm
    Weight 2.35±0.1
    g
    Operating Temperature -20~80
    ˚C
    Operating Humidity 20~80 %
    ESD 15 KV
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