BU21049GUL Datasheet, PDF (4/26 Pages) Rohm – 4-wire Resistive Touch Screen Controller

BU21049GUL
Datasheet
●ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Rating
Unit
Conditions
Power supply voltage
Power supply voltage for
touch screen
Digital input voltage
AUX input voltage
Voltage input to
touch screen Interface
Package power dissipation
VDD
PVDD
VIN1
VIN2
VIN3
Pd
-0.3～4.5
-0.3～4.5
-0.3～VDD+0.3
GND-0.3～2.5
GND-0.3～2.5
750
V
V
V
AD0,AD1,SDA,
SCL and RSTB
V AUX
V XP,YP,XN and YN
mW (*1)
Storage temperature range
Tstg
-50～125
℃
(*1) Ambient temperature reduces a permission loss by 7.50mW per case more than 25 degree Celsius, 1degree Celsius.
●RECOMMENDED OPERATING CONDITIONS
Parameter
Power supply voltage
Power supply voltage for
touch screen
Operating temperature
Symbol
Min
VDD
1.65
PVDD
1.65
Topr
-20
Rating
Typ
3.00
-
25
Max
Unit
Conditions
3.60
V
VDD
V
VDD≧PVDD
85
℃
●ELECTRICAL CHARACTERISTICS (Ta=25℃, VDD=PVDD=3.00V, GND=0.00V, unless otherwise noted)
Parameter
Low-level input voltage
High-level input voltage
Low-level output voltage1
Low-level output voltage2
High-level output voltage1
High-level output voltage2
Standby current
Sleep current
Active current
Resolution
Differential non-linearity error
Integrate non-linearity error
Symbol
VIL
VIH
VOL1
VOL2
VOH1
VOH2
Ist
Islp
Iact
Ad
DNL
INL
Min
GND-0.3
VDD*0.8
-
-
VDD-0.4
VDD*0.8
-
-
-
-3
-5
Rating
Typ
-
-
-
-
-
-
-
100
0.8
12
-
-
Max
VDD*0.2
VDD+0.3
GND+0.4
VDD*0.2
-
-
1.0
200
2.0
+3
+5
Unit
Conditions
V
AD0,AD1,SDA,SCL and
RSTB
V
AD0,AD1,SDA,SCL and
RSTB
V
SDA(IL=5mA),INT(IL=3mA),
VDD≧2.0V
V
SDA(IL=5mA),INT(IL=3mA),
VDD < 2.0V
V INT,IL=-3mA VDD≧2.0V
V INT,IL=-3mA VDD < 2.0V
uA
RSTB=L
uA
RSTB=H
mA
No Load
Bit
LSB
LSB
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TSZ22111・15・001
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TSZ02201-0Y1Y0F300010-1-2
31.JAN.2012 Rev.001