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SM3470BB Scheda tecnica(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM3470BB Scheda tecnica(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 19 page SM3470BB Interpolation Encoder IC SEIKO NPC CORPORATION - 1 OVERVIEW The SM3470B 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). It incorporates a built-in EEPROM for interpolation switching and input signal adjustment functions, providing support for system miniaturization and high-speed input/output signal operation. FEATURES ▪ Interpolation switching function: ×1, 2, 4, 8, 16, 32, 5, 10, 20 (selectable) ▪Adjustment function: Offset adjustment ▪ Supply voltage: 2.7 to 5.5V ▪ Operating temperature range: –40 to +125°C ▪ Input frequency: 500kHz (max) ▪ Output frequency: 2.5MHz (max) ▪ Package: QFN24 (size: 4mm × 4mm) ORDERING INFORMATION Device Package SM3470BB-G*1 24 pin QFN *1. “-G” option code lead-free package PACKAGE DIMENSIONS 4.00±0.1 2.40 ±0.1 0.75 A C0.11 0.2 0.05 0.2 0.08 0.15 S S S S // B A SAB 0.22±0.05 [unit:mm] 0.50 M |
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