BU9795AKV_11 Datasheet, PDF (2/15 Pages) Rohm – Standard Segment Drivers

BU9795AKV,BU9795AFV,BU9795AGUW,BU9794AKV,BU97950FUV
Technical Note
●Line up matrix
Parameter
Segment output
Common output
Total display
dot number
Adjustable contrast function
Support split voltage supply
Interface
Package
KV
35
4
140
-
-
3wire
VQFP48C
BU9795A
FV
27
4
108
-
-
3wire
SSOP-B40
GUW
31
4
124
-
-
3wire
VBGA48W040
BU9794AKV
50
4
200
-
Yes
3wire
VQFP64
BU97950FUV
35
8
280
Yes
Yes
2wire
TSSOP-C48V
●Absolute maximum ratings (VSS=0V)
Parameter
BU9795AKV
/FV/GUW
BU9794AKV
Power Supply Voltage 1
(VDD)
-0.5～+7.0
Power Supply Voltage 2
(VLCD)
Allowable Loss
(Pd)
Input Voltage Range
(VIN)
-0.5～VDD
0.6*¹
0.7*²
0.27*³
-0.5～+7.0
0.75*⁴
-0.5～VDD+0.5
Operational Temperature Range
(Topr)
-40～+85
Storage Temperature Range
(Tstg)
-55～+125
*1 When use more than Ta=25℃, subtract 6.0mW per degree (BU9795AKV)
*2 When use more than Ta=25℃, subtract 7.0mW per degree (BU9795AFV)
*3 When use more than Ta=25℃, subtract 2.7mW per degree (BU9795AGUW)
*4 When use more than Ta=25℃, subtract 7.5mW per degree (BU9794AKV, BU97950FUV)
BU97950FUV
-0.5～+7.0
0.75*⁴
Unit
Remarks
V Power supply
V
LCD drive
Voltage
W
Allowable loss
at package only
V
℃
℃
●Recommend operating conditions (Ta=-40~85℃, VSS=0V)
Parameter
BU9795AKV
/FV/GUW*1
BU9794AKV
BU97950KV
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
Remarks
Power Supply Voltage 1
(VDD)
2.5 - 5.5 2.5 - 5.5 2.5 - 5.5 V Power supply
Power Supply Voltage 2
(VLCD)
0
*1 Please use VDD-VLCD  2.4V condition.
-
VDD
-2.4
2.5
-
5.5 2.5
-
5.5
V
LCD drive
Voltage
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2011.03 - Rev.A