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SM3471AB

The SM3471 is an interpolation IC for encoders. It accepts displacement detection, 2-phase analog signals (A and B phases) and a zero point detection analog signal (Z phase) from an encoder, interpolates the signals by a specified interpolation factor, and outputs corresponding 2-phase digital signals (A and B phases) and a zero point detection digital signal (Z phase).

Block Diagram

Datasheets

SM3471AB.pdf

Key Features

Interpolation switching function : x2, x4, x8, x16 (selectable)
Input frequency : 300kHz (max)
Output frequency : 2.5MHz (max)
Package : QFN24 (size: 4mm × 4mm)
Supply voltage : 2.7 to 5.5V
Current consumption : 15mA (typ）
Operating temperature range : – 40 to +125°C

Applications

ABZ encoder Interpolation
2-D and 3-D positioning (X-Y, Θ-X, X-Y-Z
Precision Linear slides and Rotary mechanism
Laser Targeting (medical or other)
Metrology / Measuring equipment

SM3471AB-G
$14.69

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