It is possible to achieve high resolution by outputting one cycle of an analog incremental signal for an absolute output of 1-bit width and combining them.
The SM3414B is a reflective absolute linear optical encoder IC that integrates light emission, light reception, and signal processing into a single package. It optically reads the absolute code patterned on the scale and outputs it via a serial interface. It is also capable of outputting an analog incremental signal. It has built-in various adjustment circuits via the serial interface, allowing for the adjustment of the threshold voltage for binarizing the absolute code and the gain for the I/V conversion of the incremental signal.
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basic information
- Package: HCOB16 7.7×6.4×1.0mm - Supply Voltage: 2.7～3.3V - Power Consumption: 8mA (Typ) @VDD=3.0V, including LED current - Operating Temperature Range: -30～+70℃ - Absolute Output: Total length 51.2mm, resolution 100μm (9-bit serial output), built-in decoder - High resolution can be achieved by combining absolute output and analog incremental output.
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Applications/Examples of results
- Consumer devices: DSC/mirrorless cameras, interchangeable lenses - Industrial equipment: robots, machine tools, X-Y stages, microscopes, measuring instruments, semiconductor manufacturing equipment (handlers, etc.), actuators, encoders
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Company information
Since its establishment in 1975 as a semiconductor manufacturer within the Seiko Group, our company has been creating innovative high-value-added products, primarily focusing on ICs for quartz oscillators and digital products. Our main product, ICs for quartz oscillators, boasts one of the world's leading market shares and is incorporated into various electronic devices, including communications and home appliances, supporting your daily life. In recent years, we have also been focusing on the development of sensor products that detect the movement of objects and the temperature emitted by objects, converting them into electrical signals. Our company has its own factory in Nasushiobara City, Tochigi Prefecture, where we plan, design, and manufacture products in a nature-rich environment adjacent to Nikko National Park. Additionally, we have a sales base at our Tokyo headquarters, enabling us to swiftly incorporate customer requests into product development.