iC-OW

INCREMENTAL OPTO ENCODER

Rev A1, Page 4/7

ELECTRICAL CHARACTERISTICS

Operating Conditions: VCC= 5V ±10%, RZ= RLR= 15k

S, CLR= 10nF, 8= 850nm, Tj= -25..125°C, unless otherwise noted

Item

Symbol

Parameter

Conditions

Tj

Fig.

Unit

°C

Min.

Typ.

Max.

Total Device

001

VCC

Permissible Supply Voltage

4.5

5.5

V

002

I(VCC)

Supply Current in VCC,

Outputs A, B, Z hi

closed LED control loop, I(LED)

.

3mA, NERR= hi, I(A,B,Z)= 0;

I(DZ,DPx)= -400nA,

I(DNx)= -40..0nA, (x= A,B)

10

mA

003

I(VCC)

Supply Current in VCC,

Outputs A, B, Z lo

see 002; I(DZ,DPx)= -40..0nA

I(DNx)= -400nA

27

5.5

12

mA

mA

004

fo

Cut-off Frequency

for Tracks A and B

sinusoidal waveform,

I(DPx)= -20..-400nA,

I(DNx)= -400..-20nA

500

kHz

005

fo

Cut-off Frequency

for Index Track Z

rectangular waveform,

I(DZ)= -20..-400nA

250

kHz

006

)tp()

Propagation Delay Deviation

track vs.track at A, B, Z

100

ns

Photodiodes

007

Aph()

Radiant Sensitive Area

diodes DPA, DNA, DPA, DPB

diode DZ

0.95 x 0.74

2.00 x 0.74

mm

2

mm

2

008

S(

8)max Spectral Sensitivity

0.5

A/W

009

Sar(

8)

Spectral Application Range

Sar(

8)= 0.1 x S(8)max

500

1050

A/W

Differential Photocurrent Amplifier, Tracks A and B

101

I(DPx)

I(DNx)

Permissible Sensor Current at

DPA, DNA, DPB, DNB

-600

0

nA

102

CM(P/N) Common Mode DPA vs. DNA,

DPB vs. DNB

0.85

1

1.15

Comparators, Tracks A and B

201

Hys

Hysteresis referred to

[I(DPx) + I(DNx)] / 2

I(DPx,DNx)= -400..0nA

15

20

25

%

Photocurrent Amplifier, Index Track Z

401

I(DZ)

Permissible Sensor Current at DZ

-600

0

nA

Comparator, Index Track Z

801

Hys

Hysteresis referred to I(DZ)

I(DZ)= -400..0nA

7

10

13

%

Push-Pull Outputs A, B, Z

301

Vs()hi

Saturation Voltage hi

Vs()hi= VCC -V();

I()= -400µA

-25

27

70

125

0.9

0.8

0.75

0.7

1.1

1.0

0.9

0.9

V

V

V

V

302

Vs()hi

Saturation Voltage hi

Vs()hi= VCC -V();

I()= -1.6mA

-25

27

70

125

1.2

1.1

1.05

1.05

1.5

1.4

1.3

1.3

V

V

V

V

303

Vs()lo

Saturation Voltage lo

I()= 0.8mA

I()= 1.6mA

0.4

0.5

V

V

304

Isc()hi

Short-Circuit Current hi

V()= 0V..2.8V

-8

-1.7

mA

305

Isc()lo

Short-Circuit Current lo

V()= 1V..VCC

2

13

mA