ABSOLUTE MAXIMUM RATINGS

(Unless otherwise stated, Ta=25℃, GND=0V)

Parameter

Symbol

Ratings

Unit

Supply Voltage

-0.5 to +7

Volts

Logic Input Voltage

Volts

+250

mA

Driver Output Current

-50

mA

Maximum Driver Output Current/Total

400

mA

RECOMMENDED OPERATING RANGE

(Unless otherwise stated, Ta=-20 to +70℃, GND=0V)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Logic Supply Voltage

4.5

5

5.5

V

Dynamic Current (see Note)

-

-

10

mA

High-Level Input Voltage

-

V

Low-Level Input Voltage

0

-

V

Note: Test Condition: Set Display Control Commands = 80H (Display Turn OFF State & under no load)

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Test Condition

Min.

Typ.

Max.

Unit

IOHSG1

Vo=VDD-2V

SG1 to SG10, SG12/GR7

-20

-25

-40

mA

High-Level Output Current

IOHSG2

Vo=VDD-3V

SG1 to SG12, SG12/GR7

-25

-30

-50

mA

Low-Level Output Current

IOLGR

Vo=0.3V

GR1 to GR6, SG12/GR7

100

140

-

mA

Low-Level Output Current

IOLDOUT

Vo=0.4V

4

-

-

mA

Segment High-Level

Output Current Tolerance

ITOLSG

Vo=VDD-3V

SG1 to SG10, SG12/GR7

-

-

±5

mA

High-Level Input Voltage

VIH

-

-

5

V

Low-Level Input Voltage

VIL

-

0

-

V

Oscillation Frequency fosc

350

500

650

KHz

K1 to K2 Pull Down Resistor

RKN

K1 to K2

VDD=5V

40

-

100

KOhms

LED Driver IC

HT1668

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