General Note

TT Electronics reserves the right to make changes in product specification without

notice or liability. All information is subject to TT Electronics’ own data and is

considered accurate at time of going to print.

TT Electronics | OPTEK Technology

2900 E. Plano Parkway, St 200, Plano, TX 75074, USA | Ph: +1 972 323 2200

www.ttelectronics.com | sensors@ttelectronics.com

Rev C, 4/27/2023

Page 39

© TT electronics plc

FlexSense® I-Series Programmable

Incremental Encoder

FS210/FS310 Datasheet

List of Figures

Figure 1: FS210 Pin Configuration (5mm x 5mm OQFN - top view)............................................................................................2

Figure 2: FS310 Pin Configuration (5mm x 5mm OQFN - top view)............................................................................................2

Figure 3: Jitter specification diagram...........................................................................................................................................8

Figure 4: FS210/FS310 Block Diagram ........................................................................................................................................9

Figure 5: Quad-track outputs (Clockwise rotation; analog, digital 1x – 8x interpolation) ........................................................16

Figure 6: Quad-track outputs (Clockwise rotation; analog, digital uninterpolated, divide-by-2, -4).........................................17

Figure 7: Index-Track Output Response (A leading B, digital, uninterpolated) .........................................................................20

Figure 8: Index-Track Output Response (A leading B, digital, 2x interpolation) ........................................................................21

Figure 9: Index-Track Output Response (A leading B, digital, divide-by-2)................................................................................22

Figure 10: Differential Photocurrents (A+/A- & B+/B-) Signal paths..........................................................................................23

Figure 11: I2C Bit Transfer .........................................................................................................................................................33

Figure 12: Write Memory Command Sequence .......................................................................................................................34

Figure 13: Read Memory Command Sequence ........................................................................................................................34

Figure 14: FS210 Typical Application Circuit .............................................................................................................................35

Figure 15: FS310 Typical Application Circuit .............................................................................................................................36

Figure 16: Package Outline Drawing. ........................................................................................................................................37

Figure 17: Brand Specification. .................................................................................................................................................37

Figure 18. Recommended reflow profile at MSL-6 rating.........................................................................................................38