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iC-PT3324H EVAL IC273 (1024 PPR)
iC-PT3324H EVAL IC273 (1024 PPR)
 
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Price: $108.75 each
RoHS Status: Yes

Quantity in Stock:1
Product Code: IC-PT3324H EVAL IC273
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Description Features
 
The iC-PT H-series represents advanced optical encoder ICs featuring integrated photosensors arranged as an HD Phased Array, providing signal fidelity at relaxed alignment tolerances. Its typical application are incremental encoders for motor speed control and commutation. To this end, the devices provide differential A/B tracks, a differential index track and three more tracks to generate block commutation signals.

Where the optical radius and the native cycles per revolution (CPR) are determined by the device version (refer to iC-PT26xxH, iC-PT33xxH, iC-PT39xxH details given further below), the adaption to the motor polecount is carried out by the code disc, for instance with 4 CPR and 90 degree phase shift to operate 4-phase brushless motors1).

Blue-enhanced photosensors allow the application of LEDs with short wavelenght leading to an outstanding jitter performance due to improved signal contrast (recommended LED: iC-TL46). However, for most devices the photosensors are IR compatible as well (recommended LED2): iC-TL85). Low-noise transimpedance  amplifiers, arranged in a paired layout to ensure excellent channel matching, are used to convert the scanner’s signals into voltages of several hundred millivolts3).

Various operating modes are selectable at multi-level input SEL4): digital output with native (x1) or interpolated resolution (x2 or x4), analog output or mixed analog/digital output; the latter combines an output of sine/cosine signals with comparated UVW commutation signals. During analog operation the amplified
signal voltages are available at the outputs for inspection and monitoring of encoder assembly, or to feed external interplation circuits. Index gating is also pin-selectable at input T14): the options are ungated, respectively T-gated if using interpolated output, B-gated and AB-gated. All devices run at single-sided supplies from 3.5 V up to 5.5 V and feature a low power consumption.

iC-PT26xxH Series
Optical radius 11.0 mm, code disc ∅ 26.0 mm;
Native CPR: 256, 500, 1000, 1250, 1500.

iC-PT33xxH Series
Optical radius 14.5 mm, code disc ∅ 33.0 mm;
Native CPR: 360, 1000, 1024, 1250, 1500, 1800 CPR.
For 2000, 2048, and 2500 CPR refer to
iC-PT33xxH Encoder blue® Series.

iC-PT39xxH Series
Optical radius 17.5 mm, code disc ∅ 39.0 mm;
Native CPR: 512, 1000, 1024, 2048.
iC-PT H-Series Introduction


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