BU21072MUV Datasheet, PDF (5/17 Pages) Rohm – Capacitive Switch Controller ICs

BU21072MUV / BU21078MUV
●Absolute Maximum Ratings (Ta = 25℃)
Parameter
Symbol
Rating
Unit
Power supply voltage
VDD
-0.5 to 7.0
V
Input voltage
VIN
-0.5 to VDD + 0.3
V
Storage temperature range
Tstg
BU21072MUV
Power dissipation
Pd
BU21078MUV
-55 to 125
℃
272 ^*1
mW
304 ^*2
Maximum junction temperature
Tjmax
*1 Derated by 2.72mW/℃ over 25℃. (IC only).
*2 Derated by 3.04mW/℃ over 25℃. (IC only).
125
℃
Datasheet
●Recommended Operating Ratings
Parameter
Symbol
Rating
Unit
Power supply voltage
VDD
3.0 to 3.6
V
Operating temperature range
Topr
-20 to 85
℃
●Electrical Characteristics (Ta = 25℃ , VDD = 3.3V , VSS = 0V)
Parameter
Symbol
Min.
Rating
Typ.
Input High voltage
VIH VDD x 0.7
-
Unit
Max.
VDD + 0.3 V
Condition
Input Low voltage
VIL
VSS - 0.3
-
VDD x 0.3 V
Output High voltage
VOH VDD - 0.5
-
VDD
V IOH = -4mA
Output Low voltage
VOL
VSS
-
VSS + 0.5 V IOL = 4mA
Oscillator clock frequency
fOSC
45
50
55
MHz
DVDD LDO output voltage
VDVDD
1.35
1.50
1.65
V
AVDD LDO output voltage
VAVDD
2.63
2.73
2.83
V
Power-on-reset release voltage
2.25
-
2.55
V
Power-on-reset detect voltage
2.10
-
2.40
V
Operating current
IDD
-
3.5
-
mA Without load of sensors.
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TSZ22111・15・001
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TSZ02201-0Y2Y0FZ00020-1-2
12.Mar.2012 Rev.001