The SMD-01 is a miniature, reflective optical encoder head that incorporates a LED and high-precision analog amplifier. It generates low-noise high-precision analog signals, due to the unique semiconductor process used to fabricate the CMOS amplifier, and achieves better-than-submicron high resolution, in combination with an interpolation circuit.
It reduces signal degradation caused by errors in mounting position to a minimum, greatly reducing the assembly process workload required for a high-precision encoder, and simultaneously supports the miniaturization and high accuracy requirements of customer’s products.
The SM3470BB is an interpolation IC for both optical and magnetic 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. Interpolation switching function is selectable from 1 to 32, or from 5 to 20.