iC-OG

8-BIT DIFFERENTIAL SCANNING OPTO ENCODER

Rev C1, Page 6/9

ELECTRICAL CHARACTERISTICS

Operating Conditions: VCC= 5V ±10%, Tj= -40..125 °C, unless otherwise noted.

Item

Symbol

Parameter

Conditions

Tj

Fig.

Unit

EC

Min.

Typ.

Max.

Analog Outputs NI0..2

501 CR()

Current Ratio

I(NIi) / (I(DPi)-I(DNi))

V(NIi)= 0.3V..VCC-1.2V,

I(DPi)= 3..90nA, I(DNi)= 90..3nA

27

550

720

1250

502 I0()

Leakage Current

V(NI)= 0.3V..VCC-1.2V,

I(DPi,DNi)= 0

-1.5

1.5

µA

503 fo()

Cut-off Frequency

V(NIi)= constant,

sinussoidal waveform,

I(DPi)= 3..30nA,

I(DNi)= 30..3nA

100

kHz

504 fo()

Cut-off Frequency

V(NIi)= constant,

sinussoidal waveform,

I(DPi)= 6..60nA,

I(DNi)= 60..6nA

200

kHz

505 fo()

Cut-off Frequency

R(VCC/NIi)= 50kΩ,

R(NIi/GND)= 50kΩ,

CL()= 30pF

50

80

kHz

506 Vc()hi

Clamp Voltage hi

Vc()hi= V()-VCC; I()= 3mA

0.4

1.5

V

507 Vc()lo

Clamp Voltage lo

I()= -3mA

-1.5

-0.4

V

Test Aid TIP, TIN

601 CR()

Current Ratio

I(TIP) / I(DPi,DDC)

and I(TIN) / I(DNi)

Test aid active,

I()= 2..200µA

750

1100

1600

602 It()

Pull-Down Current

(Test Aid Turn-on Threshold)

V()= 0.4V

-40

27

85

125

2.5

14

19

25

28

125

µA

µA

µA

µA

µA

603 V()on

Turn-on Voltage

Test aid active,

I(TIP)= 2..200µA and

I(TIN)= 100µA, or

I(TIP)= 100µA and

I(TIN)= 2..200µA

-40

27

85

125

1.9

1.6

1.2

1.1

2.4

2.1

1.8

1.6

2.7

2.4

2.1

1.9

V

V

V

V

LED Current Control ISET, AGND, LED, CSR

701 ISUM

Permissible Sum Current of

photodiodes DP0, DN0, DP1,

DN1

ISUM= I(DP0) +I(DN0)

+I(DP1) +I(DN1)

0

360

nA

702 I(LED)

Permis. Driver Current in LED

0

80

mA

703 Vs(LED) Saturation Voltage at LED

I(LED)= 80mA, I(ISET)> 20µA,

V(CSR)= VCC

-40

27

85

125

0.96

0.88

0.79

0.72

1.35

V

V

V

V

V

704 V(ISET)

Voltage at ISET

R(ISET/AGND)= 10..150kΩ

1.15

1.22

1.35

V

705 CR()

Current Ratio

I(ISET) / I(CSR)

V(CSR)= 0.3V, ISUM= 0,

R(ISET)= 10..150kΩ

-40

27

85

125

8

12.0

11.9

11.75

11.65

15

706 CR()

Current Ratio

I(CSR) / ISUM

V(CSR)= 1..3V,

I(ISET)= 0

70

92

130

707 Vc()hi

Clamp Voltage hi

at ISET, LED, CSR

Vc()hi= V()-VCC;

I()= 3mA

0.4

1.5

V

708 Vc()lo

Clamp Voltage lo

at ISET, LED, CSR

VCC= 0V, I()= -3mA

-1.5

-0.4

V