BU9799KV Datasheet, PDF (3/28 Pages) Rohm – Standard LCD Segment Driver

BU9799KV MAX 200 segments (SEG50×COM4)
Datasheet
●Absolute Maximum Ratings (VSS=0V)
Parameter
Symbol
Power Supply Voltage1
VDD
Power Supply Voltage2
VLCD
Power dissipation
Pd
Input voltage range
VIN
Operational temperature
range
Topr
Storage temperature range
Tstg
Ratings
-0.5 to +7.0
-0.5 to +7.0
0.75
-0.5 to VDD+0.5
-40 to +85
-55 to +125
Unit
Remarks
V Power supply
V LCD drive voltage
W
When operated at more than 25℃,
subtract 7.5mW/°C (Package only)
V
℃
℃
●Recommended Operating Ratings(Ta=-40°C to +85°C,VSS=0V)
Parameter
Symbol
Ratings
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
●Electrical Characteristics
DC Characteristics (VDD=2.5V to 5.5V, VLCD=2.5V to 5.5V, VSS=0V, Ta=-40℃ to 85℃, unless otherwise specified)
Parameter
Limits
Symbol
Unit
MIN TYP MAX
Conditions
“H” level input voltage
VIH 0.8VDD -
VDD V SDA,SCL
“L” level input voltage
VIL
VSS
- 0.2VDD 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℃
IDD
-
2.5
15
µA Power save mode1, FR=70Hz
1/3 bias, Frame inverse
VDD=3.3V, VLCD=5V, Ta=25℃
ILCD
-
10
20
µA Power save mode1, FR=70Hz
1/3 bias, Frame inverse
Oscillation Characteristics (VDD=2.5V to 5.5V, VLCD=2.5V to 5.5V, VSS=0V, Ta=-40℃ to 85℃, unless otherwise specified)
Parameter
Limits
Symbol
Unit
MIN TYP MAX
Conditions
Frame frequency
fCLK
56
80
104 Hz FR = 80Hz setting, VDD=3.3V
MPU interface Characteristics
(VDD=2.5V to 5.5V, VLCD=2.5V to 5.5V, VSS=0V, Ta=-40℃ to 85℃, unless otherwise specified)
Parameter
Limits
Symbol
Unit
MIN TYP MAX
Conditions
Input rise time
tr
-
-
0.3 µs
Input fall time
tf
-
-
0.3 µs
SCL cycle time
tSCYC 2.5
-
-
µs
“H” SCL pulse width
tSHW
0.6
-
-
µs
“L” SCL pulse width
tSLW
1.3
-
-
µs
SDA setup time
tSDS
100
-
-
µs
SDA hold time
tSDH
100
-
-
us
Buss free time
tBUF
1.3
-
-
µs
START condition hold time tHD;STA 0.6
-
-
µs
START condition setup time tSU;STA 0.6
-
-
µs
STOP condition setup time tSU;STO 0.6
-
-
µs
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TSZ02201-0A0A2D300040-1-2
23.Jan.2015 Rev.003