FS210 datasheet(3/40 Pages) TTELEC

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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 3

FlexSense® I-Series Programmable

Incremental Encoder

FS210/FS310 Datasheet

Pin Descriptions

Table 1: Pin Description

Pin Number

Pin Name

Description

IPTAT

Analog temperature-sense current output:

[0x88D] bits <5:4> = 11b: Current sunk (into the pin) is proportional to

absolute temperature.

[0x88D] bits <5:4> = 00b: Output is floating.

2, 3

AMPL2_P,

AMPL2_N

Analog amplitude-check voltage differential output:

[0x88D] bits <5:4> = 11b: Difference of two pin voltages is the sum of the

squares of the A and B quadrature amplitudes.

[0x88D] bits <5:4> = 00b: Outputs are floating.

4, 13, 25, 26

DNC

DO NOT CONNECT

DNC/LEDA

LED anode (must connect off-chip to VDDA), FS310 only

DNC/LEDC

LED cathode (must connect to LEDK), FS310 only

LEDK

LED drive current source (must connect to LEDC on FS310)

VSSL

Ground return for LED drive current

MODE

Digital input to select between I2C master or slave setting at power-up:

Logic-0: Slave mode selected

Logic-1: Master mode selected

SDA

Open-drain I2C data

SCL

Open-drain I2C clock

IRQZ

Open-drain system interrupt output

14, 16

VSS

Digital ground connection (must connect to both at board level)

VDD

Digital positive voltage supply

AOUT_P_DIG

Digital quadrature-track positive-sense A (cosine) output

AOUT_N_DIG

Digital quadrature-track negative-sense A (cosine) output

BOUT_P_DIG

Digital quadrature-track positive-sense B (sine) output

BOUT_N_DIG

Digital quadrature-track negative-sense B (sine) output

ZOUT_N

Digital negative-sense index-track output

ZOUT_P

Digital positive-sense Index track output

VDDA

Analog positive voltage supply

24, 27

VSSA

Analog ground connection (must connect to both at board level)

AOUT_P_ANA

Analog quadrature-track positive-sense A (cosine) output

AOUT_N_ANA

Analog quadrature-track negative-sense A (cosine) output

BOUT_P_ANA

Analog quadrature-track positive-sense B (sine) output

BOUT_N_ANA

Analog quadrature-track negative-sense B (sine) output

VDDA

Analog positive voltage supply

EP_GND

VSS

Exposed backside thermal pad (must connect to pins 14, 16 at board level)

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