7

Ver.4.0

LD1960A

9 SEGMENT X 7 GRID LED Driver with key scan

ABSOLUTE MAXIMUM RATINGS

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

PARAMETER

SYMBOL

RATING

UNIT

Supply Voltage

VDD

-0.5 to +7.0

V

Logic Input Voltage

VI

-0.5 to VDD+0.5

V

Driver Output Current/Pin

IOLGR

+250

mA

IOHSEG

-50

mA

Maximum Driver Output Current/Total

ITOTAL

400

mA

RECOMMENDED OPERATING RANGE

(Unless otherwise stated, Ta= -40 to +85℃, GND=0V)

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

Logic Supply Voltage

VDD

2.7

5

5.5

V

Dynamic Current (see Note)

IDDdyn

.

.

5

mA

High-Level Input Voltage

VIH

0.6VDD

.

VDD

V

Low-Level Input Voltage

VIL

0

.

0.4VDD

V

Note : Test Condition : Set Display Control Commands = 80H (Display Turn OFF State)

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

High-Level

Output Current

IOHSG1

V

O

= V

DD

- 2V

SEG1 to SEG6,SEG14/GR5

SEG13/GR6,SEG12/GR7

-20

-25

-40

mA

IOHSG2

V

O

= V

DD

- 3V

SEG1 to SEG6,SEG14/GR5

SEG13/GR6,SEG12/GR7

-25

-30

-50

mA

Low-Level

Output Current

IOLGR

V

O

= 0.3V

GR1 TO GR4,SEG14/GR5

SEG13/GR6,SEG12/GR7

100

140

-

mA

Low-Level

Output Current

IOLDOUT

V

O

= 0.4V DIO

4

-

-

mA

Segment High-Level

Output Current

Tolerance

ITOLSG

V

O

= V

DD

- 3V

SEG1 to SEG6,SEG14/GR5

SEG13/GR6,SEG12/GR7

-

-

±5

%

High-Level Input Voltage

VIH

-

0.6VDD

-

VDD

V

Low-Level Input Voltage

VIL

-

0

-

0.4VDD

V

Oscillation Frequency

fOSC

-

350

500

650

kHz

K1 to K2

Pull Down Resistor

KSR

VDD=5V

40

-

100

k

Ω