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LD1970 Datasheet, PDF (8/26 Pages) LDT Co., Ltd – 16 SEGMENT X 12 GRID VFD DRIVER
LD1970
16 Segment x 12 Grid VFD Driver with Key Scan
Absolute Maximum Ratings
(Unless otherwise stated, Ta=25°C, GND=0V)
Parameters
Symbol
Ratings
Unit
Logic Supply Voltage
VDD
-0.3 ~ +7.0
V
Driver Supply Voltage
VEE
VDD+0.3 ~ VDD-40
V
Logic Input Voltage
VI
-0.3 ~ VDD+0.3
V
VFD Driver Output Voltage
VO
VEE-0.3 ~ VDD+0.3
V
LED Driver Output Current
IOLED
± 20
mA
VFD Drive Output Current
IOVFD
-40 @ Grid, -15 @ Segment
mA
Operating Temperature
Topr
-40 ~ 85
°C
Storage Temperature
Tstg
-65 ~ 150
°C
Recommended Operating Range
(Unless otherwise stated, Ta=25°C, GND=0V)
Parameters
Logic Supply Voltage
High-Level Input Voltage
Low-Level Input Voltage
Driver Supply Voltage
Symbol
VDD
VIH
VIL
VEE
Min.
3.0
0.7*VDD
0
VDD-35
Ratings
Typ.
5.0
-
-
-
Unit
Max.
5.5
V
VDD
V
0.3*VDD
V
0
V
8
Ver 4.0