The converter operates on the flash principle with fast single comparators. The back-end signal processing circuit includes a no-delay glitch filter which can be adjusted by an external resistor (optional), so that only clearly countable incremental signals are output.
Nine different interpolation factors between 1 and 16 are selectable by pin, giving a maximum resolution of 64 angle steps per input period. The phase relation between the input signals and the A/B outputs is reversible.
Applications
- Angle interpolation from orthogonal sinusoidal input signals
- Linear and rotary encoders
- MR sensor systems
Features
- Fast flash converter
- Selectable resolution of up to 64 steps per cycle and up to 16-fold interpolation
- Integrated instrumentation amplifiers with adjustable gain
- Direct connection of sensor bridges, no external components required
- 200kHz input frequency with the highest resolution
- Incremental A QUAD B output of up to 3.2 MHz
- Reversed A/B phase selectable
- Index signal processing
- Low power consumption from single 5 V supply
- TTL- /CMOS-compatible outputs
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