4

Encoding Characteristics

Encoding Characteristics over Recommended Operating Range and Recommended Mounting Tolerances. These

characteristics do not include codewheel/codestrip contributions.

Case 1

Case 2

Parameter

Symbol

Typ.

Max.

Max.

Units

Notes

Pulse Width Error

'P

7

30

40

°e

Logic State Width Error

'S

5

30

40

°e

Phase Error

'I

2

10

15

°e

Case 1: Module mounted on tolerances of ±0.13 mm (0.005”). Case 2: Module mounted on tolerances of ±0.25 mm

(0.010”)

Note: See Figures in Mounting Considerations for details on Case 1 and Case 2 mounting tolerances.

Recommended Operating Conditions

Parameter

Symbol

Min.

Max.

Units

Notes

Temperature

7





°C

Supply Voltage

V

CC

4.5

5.5

V

Ripple < 100 mV

p-p

Load Capacitance

C

L

100

pF

3.2 k

: pull-up

Count Frequency

20

kHz

(Velocity (rpm) x N)/60

Note: The module performance is guaranteed to 20 kHz but can operate at higher frequencies. For operation at 30KHz for resolution options E, F,

G and H, the maximum pulse width and logic state width errors are 40°e and phase error is 15°e.

Electrical Characteristics

Electrical Characteristics over Recommended Operating Range, Typical at 25°C.

Parameter

Symbol

Min.

Typ.

Max.

Units

Notes

Supply Current

I

CC

17

40

mA

High Level Output Voltage

V

OH

2.4

V

I

OH

= -40 μA

Low Level Output Voltage

V

OL

0.4

V

I

OL

= 3.2 mA

Rise Time

t

r

200

ns

C

L

= 25 pF, R

L

= 11 k

:

Fall Time

t

f

50

ns

C

L

= 25 pF, R

L

= 11 k

: