128x1 Linear Image Sensor 1401

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iC-LF1401 is an integrating light-to-voltage converter with a line of 128 pixels pitched at 63.5 µm (center-to center distance). Each pixel consists of a 56.4 µm x200 µm photodiode and an integration capacitor with a sample-and-hold circuit.
The integrated control logic makes operation very simple, with only a start and clock signal necessary.  A third control input (DIS) enables the integration to be suspended at any time (electronic shutter).
When the start signal is given hold mode is activated for all pixels simultaneously with the next lead ing clock edge; starting with pixel 1 the hold voltages are switched in sequence to the push-pull output ampli?er. The second clock pulse resets all integration capacitors and the integration period starts again in the background during the output phase. A run is complete after 128 clock pulses.
iC-LF1401 is suitable for high clock rates of up to 5 MHz. If this is not required the supply current can be reduced via the external bias setting (current into pin RSET). 


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256 active photo pixels of 56μm at a gap and distortion free pitch of 63.5μm (400 DPI)
Integrating L-V conversion followed by a sample & hold circuit
High sensitivity and uniformity over wavelength
High clockrates of up to 5MHz
Only 256 clocks required for readout
Shutter function enables flexible integration times
Glitch-free analogue output
Push-pull output amplifier
5 V single supply operation
Can run off external bias to reduce power consumption
Function equivalent to TSL1402 (serial mode)

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128x1 Linear Image Sensor 1401
128x1 Linear Image Sensor 1401