BU21021GUL Datasheet, PDF (6/13 Pages) Rohm – 4-wire resistive Touch Screen Controller

BU21021GUL
Datasheet
●Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Conditions
Power-supply voltage
VDD
-0.3 to 4.5
V
Input voltage
Power dissipation
VIN
VSS-0.3 to VDD+0.3
V
Pd
910^*1
mW
Storage temperature range
Tstg
-50 to 125
℃
*1 Ambient temperature reduces a permission loss by 9.10mW per case more than 25 degree Celsius, 1degree Celsius. Condition: Assembly on the
Epoxy-Glass (50x58x1.75mm)
●Recommended Operating Conditions
Parameter
Power-supply voltage
Digital power-supply voltage
Operating temperature range
Symbol
Min
VDD
2.7
DVDD
1.62
Topr
-20
Rating
Typ
3.0
1.80
25
Unit
Conditions
Max
3.6
V
1.98
V DVDD_EXT = H
85
℃
●Electrical Characteristics
At Ta = 25℃, VDD = 3.0V, unless otherwise noted.
Parameter
Symbol
Min
Rating
Typ
Low-level input voltage
VIL VSS-0.5
-
High-level input voltage
VIH 0.8xVDD
-
Low-level output voltage
VOL
-
-
High-level output voltage
VOH VDD-0.4
-
Standby current
Ist
-
-
Sleep current1
Icc1
-
60
Sleep current2
Icc2
-
10
Operating current
Idd
-
4
Clock frequency
Freq
15
20
*1 The supply of digital power (1.8V) is needed from the terminal DVDD.
Max
0.2xVDD
VDD+0.5
VSS+0.4
-
5
100
20
8
24
Unit
V
V
V
V
uA
uA
uA
mA
MHz
Conditions
RSTB=L
DVDD_EXT=L
DVDD_EXT=H (*1)
No load
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TSZ22111・15・001
6/10
TSZ02201-0Y1Y0F300060-1-2
19.Jun.2012 Rev.001