iC-Haus IC-PT2613OQFN3 Phased Array Opto Encoder (26 mm)

Manufacturer:
MFG Part #:

IC-PT2613 OQFN32-5x5

Part #:
IC-PT2613OQFN3
Availability:
Short Lead Time
RoHS Status:
 
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Product Information

iC-PT 2613 is an optical sensor IC with integrated photosensors whose signals are converted into voltages by low-noise transimpedance amplifiers. Precise voltage comparators with hysteresis are used to generate the digital signals, supplied to the output pins via differential +/- 4 mA push-pull drivers.
    
The built-in LED power control with its 40 mA driver stage permits a direct connection of the encoder LED. Regardless of aging or changes in temperature the received optical power is kept constant. An external resistor presets the photocurrent operating point and thus the desired illumination level.
   
Selection input SEL chooses for three different operating modes: regular A/B operation, A/B operation with 2-fold interpolation, or analog operation. With analog operation the amplified signal voltages are available at the outputs for inspection and monitoring encoder assembly.
   
Typical applications of iC-PT devices are incremental encoders for motor feedback and commutation. To this end, device version iC-PT 2613 provides differential A/B tracks and a differential index track, each consisting of multiple photo sensors. The layout of the signal amplifiers is such that there is an excellent paired channel matching, eliminating the needs for signal calibration in most cases.
   
Additionally, three more tracks are provided to generate motor commutation information for the U, V and W outputs, for instance with 90 degree phase shift to operate 4-phase brushless motors (period count and phase shift can be varied by the code disc applied).
  
 

Features

Monolithic photodiode array with excellent signal matching
Very compact size for small encoders
Moderate track pitch for relaxed assembly tolerances
Low noise signal amplifiers with high EMI tolerance
Single-pin programming of 3 operating modes: analog, digital, and x2 interpolation
Ungated/gated Z index signal
Complementary outputs: A, B, Z and NA,NB, NZ
U, V,W commutation signals (digital/analog)
All outputs +/- 4mA push-pull, current-limited and short-circuit-proof
LED power control with 40mA high-side driver
Single 3.5 V to 5.5V operation, low power consumption
Operational temperature range of -40 to +110 C
Suitable code disc:
PT6S 26-1250 (glass) OD 26.0 mm, ID 11.6 mm, optical radius 11.0 mm, 1250 ppr and 4 ppr commutation (90)
iC-PT2610 Encoder 26.0 mm / 1000 PPR (Eval Kit LT2M available)
iC-PT2613 Encoder 26.0 mm / 1250 PPR (Eval Kit LT2M available)
 

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