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BU21023FV-ME2 Folha de dados(PDF) 2 Page - Rohm

Nome de Peças BU21023FV-ME2
Descrição Electrónicos  Resistive Type Touch Screen Controller ICs
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Fabricante Electrônico  ROHM [Rohm]
Página de início  http://www.rohm.com
Logo ROHM - Rohm

BU21023FV-ME2 Folha de dados(HTML) 2 Page - Rohm

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Technical Note
2/17
www.rohm.com
2011.08 - Rev.A
© 2011 ROHM Co., Ltd. All rights reserved.
BU21023GUL,BU21023MUV,BU21024FV-M
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Condition
Power supply voltage
VDD
-0.3 ~ 4.5
V
Input voltage
VIN
VSS-0.3 ~ VDD+0.3
V
Power dissipation
BU21023GUL
Pd
830
*1
mW
BU21023MUV
704
*2
mW
BU21024FV-M
850
*3
mW
Storage temperature range
Tstg
-50 ~ 125
*1 Derate by 7.04 mW /℃ centigrade when ambient temperature exceeds 25℃. Measured using Epoxy-Glass PCB measuring 50x58x1.75 mm
*2 Derate by 8.30mW /℃ centigrade when ambient temperature exceeds 25℃. Measured using Epoxy-Glass PCB measuring 50x58x1.75mm
*3 Derate by 8.50mW /℃ centigrade when ambient temperature exceeds 25℃. Measured using Epoxy-Glass PCB measuring 50x58x1.75mm
Recommended Operating Conditions
Parameter
Symbol
Ratings
Unit
Condition
Min.
Typ.
Max.
Power supply voltage
VDD
2.70
3.00
3.60
V
Digital core power supply
DVDD
1.62
1.80
1.98
V
DVDD_EXT=H
Operating
temperature range
BU21023GUL
BU21023MUV
Topr
-20
25
85
BU21024FV-M
-40
25
85
Note: The BU21023/BU21024 controllers can be operated with a single 3V VDD supply.
It is also possible to supply 1.8V DVDD from an external source if the DVDD_EXT pin is connected to logic high.
Electrical Characteristics (Ta=25℃, VDD=3.00V)
Parameter
Symbol
Limits
Unit
Condition
Min.
Typ.
Max.
Low-level input voltage
VIL
VSS-0.5
-
0.2×VDD
V
High-level input voltage
VIH
0.8×VDD
-
VDD+0.5
V
Low-level output voltage
VOL
-
-
VSS+0.4
V
High-level output voltage
VOH
VDD-0.4
-
-
V
Standby current
Ist
-
-
1
µA
RSTB=L
Sleep current1
Icc1
-
60
100
µA
DVDD_EXT=L
Sleep current2
Icc2
-
10
20
µA
DVDD_EXT=H
Operating current
Idd
-
4
6
mA
No load
Oscillation frequency
Freq
18
20
22
MHz
Resolution
Ad
1024×1024
Bit
Differential non-linearity error
DNL
-3.0
-
+3.0
LSB
Integral non-linearity error
INL
-3.0
-
+3.0
LSB


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