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BU97950FUV Datasheet, PDF (3/25 Pages) Rohm – Standard LCD Segment Drivers
BU97950FUV MAX 280 segments (SEG35×COM8)
●Absolute Maximum Ratings (VSS=0V)
Parameter
Symbol
Power Supply Voltage1
VDD
Power Supply Voltage2
VLCD
Ratings
-0.5 to +7.0
-0.5 to +7.0
Allowable loss
Pd
0.64
Input voltage range
VIN
Operational temperature
range
Topr
Storage temperature range
Tstg
*1 This product is not designed against radioactive ray.
-0.5 to VDD+0.5
-40 to +85
-55 to +125
●Recommended Operating Ratings(Ta=-40°C to +85°C,VSS=0V)
Parameter
Limits
Symbol
MIN TYP MAX
Power Supply Voltage1
VDD
2.5
-
5.5
Power Supply Voltage2
VLCD
2.5
-
5.5
Unit
Remarks
V Power supply
V LCD drive voltage
When used at more than Ta=25 ºC,
W
subtract
6.4mW per degree.
(BU97950FUV Package only)
V
ºC
ºC
Unit
Remarks
V Power supply
V LCD drive voltage
●Electrical Characteristics
DC Characteristics (VDD=2.5 to 5.5V, VLCD=2.5 to 5.5V, VSS=0V, Ta=-40°C to +85°C, unless otherwise specified)
Parameter
Limits
Symbol
Unit
MIN TYP MAX
Conditions
“H” level input voltage
VIH 0.7VDD -
VDD V SDA,SCL
“L” level input voltage
VIL
VSS
- 0.3VDD V SDA,SCL
“H” level input current
IIH
-
-
1
µA SDA,SCL
“L” level input current
IIL
-1
-
-
µA SDA,SCL
LCD Driver on
resistance
SEG
COM
RON
-
3.5
-
kΩ
Iload=±10µA
RON
-
3.5
-
kΩ
Standby current
Power consumption 1
Power consumption 2
Ist
-
-
5
µA Display off, Oscillation off
VDD=3.3V, VLCD=5V, Ta=25°C
IDD
-
2.5
15
µA Power save mode1, FR=80Hz
1/4 bias, Frame inversion
VDD=3.3V, VLCD=5V, Ta=25°C
ILCD
-
10
20
µA Power save mode1, FR=80Hz
1/4 bias, Frame inversion
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08.Sep.2015 Rev.004