preliminary

preliminary

iC-LTA

6-CH. INCREMENTAL OPTO ENCODER ARRAY

Rev A4, Page 9/14

ELECTRICAL CHARACTERISTICS

Item

Symbol

Parameter

Conditions

Unit

No.

Min.

Typ.

Max.

Comparators

401

Vt()hi

Upper Comparator Threshold

Iph()p x Z()p > Iph()n x Z()n,

5

12

25

mV

resp. Iph()p x Z()p > internal VREF

402

Vt()lo

Lower Comparator Threshold

Iph()p x Z()p < Iph()n x Z()n,

5

12

25

mV

resp. Iph()p x Z()p < internal VREF

403

Vt()hys

Comparator Hysteresis

Vt()hys = Vt()hi - Vt()lo

10

24

50

mV

LED Power Control

501

Imx()

Permissible LED Output Current

-40

0

mA

502

Vs()hi

Saturation Voltage hi

Vs()hi = VCC - V(), I() = -40 mA

0.25

0.5

1

V

503

Isc()hi

Short-Circuit Current hi

V() = 0 V

-150

-50

mA

Digital Output Drivers PA, NA, PB, NB, PZ, NZ, U, V, W

601

Vs()lo

Saturation Voltage lo

VCC = 4.5...5.5 V, I() = 4mA, Tj = 70 °C

0.4

V

602

Vs()lo

Saturation Voltage lo

VCC = 4.5...5.5 V, I() = 4mA, Tj = 85 °C

0.5

V

603

Vs()lo

Saturation Voltage lo

VCC = 3.5...4.5 V, I() = 4mA

0.6

V

604

Isc()lo

Short-Circuit Current lo

V() = VCC

7

70

mA

605

Vs()hi

Saturation Voltage hi

Vs() = VCC - V(), VCC = 4.5...5.5 V, I() = -4 mA

0.4

V

606

Vs()hi

Saturation Voltage hi

Vs() = VCC - V(), VCC = 3.5...4.5 V, I() = -4 mA

0.6

V

607

Isc()hi

Short-Circuit Current hi

V() = 0 V

-70

-7

mA

Selection Input SEL

701

Vt1()hi

Upper Threshold Voltage hi

for A/B mode with x2 interpolation

78

80

82

%VCC

702

Vt1()lo

Upper Threshold Voltage lo

for A/B mode with x2 interpolation

68

70

72

%VCC

703

Vt1()hys

Upper Threshold Hysteresis

Vt1()hys = Vt1()hi - Vt1()lo

8

10

12

%VCC

704

Vt2()hi

Lower Threshold Voltage hi

for A/B mode

28

30

32

%VCC

705

Vt2()lo

Lower Threshold Voltage lo

for A/B mode

18

20

22

%VCC

706

Vt2()hys

Lower Threshold Hysteresis

Vt2()hys = Vt2()hi - Vt2()lo

8

10

12

%VCC

707

V0()

Pin-Open Voltage

for analog mode

45

50

55

%VCC

708

Rpd()

Pull-Down Resistor

SEL to GND, V(SEL) = VCC

70

100

140

kΩ

709

Rpu()

Pull-Up Resistor

VCC to SEL, V(SEL) = 0 V

70

100

140

kΩ

710

Vpd()

Pull-Down Voltage vs. VCC/2

Vpd() = V() - VCC/2; I() = 0...5 µA

0.5

V

711

Vpu()

Pull-Up Voltage vs. VCC/2

Vpu() = V() - VCC/2; I() = -5...0 µA

-0.5

V

Test Circuit Inputs TIP, TIN

801

I()test

Permissible Test Current Range

test mode active

10

600

µA

802

V()test

Test Pin Voltage

test mode active, I() = 200 µA

1.25

1.5

1.75

V

803

Ipd()

Test Pin Pull-Down Current

test mode not active, V() = 0.4 V

60

100

160

µA

804

Ipd()

Test Pin Pull-Down Current

V() = VCC

0.7

2

3

mA

805

It()on

Test Mode Activation Threshold

80

130

190

µA

806

CR()

Test Mode Current Ratio I()/Iph() test mode active, I() = 200 µA

1599

3000

5000

Power-On-Reset Circuit

901

VCCon

Turn-on Threshold VCC

(power-on release)

increasing voltage at VCC

2.6

3.45

V

902

VCCoff

Turn-off Threshold VCC

(power-down reset)

decreasing voltage at VCC

1.4

2.4

V

903

VCChys

Threshold Hysteresis

VCChys = VCCon - VCCoff

50

170

300

mV