可编程9位正余弦波插补细分芯片, 带 RS422 失效保护线驱动器

Features      

• No-latency sine-to-digital conversion to 400 angle steps

• 200 kHz input frequency for interpolation factors of x1 to x5 (10 kHz for x100)

• Flexible I/O pin configuration due to signal path multiplexers

• PGA inputs for differential and single-ended voltage/current signals

• Signal conditioning for offset, amplitude and phase

• Controlled 50 mA current source as LED or MR bridge supply

• Fault-tolerant RS422 line drivers to 50 mA

• Quadrature signals with selectable min. phase distance for glitch free counter control

• Index signal processing with adjustable position and length

• Supply monitoring with power switch for reverse polarity tolerant systems

• Excessive temperature protection with sensor calibration

• Signal and operation monitoring with programmable alarm output, driver shutdown and error memory

Applications

• Optical and magnetic position sensors

• Rotary encoders

• Linear encoders