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Technical Note
BU4066BC,BU4066BCF,BU4066BCFV,BU4051BC,BU4051BCF,BU4051BCFV,BU4052BC,
BU4052BCF,BU4052BCFV,BU4053BC,BU4053BCF,BU4053BCFV,BU4551B,BU4551BF,BU4551BFV
2/17
www.rohm.com
2013.07 - Rev.C
2011 ROHM Co., Ltd. All rights reserved.
When used at Ta=25[°C] or above,
values of above are reduced per 1[°C].
Allowable loss is the value for mounting
70[mm] x 70[mm] x 1.6[mm] FR4 glass epoxy
circuit board copper foil area is 3% or less).
●Absolute Maximum Ratings
Parameter
Symbol
Limit
Unit
BU4066BC
BU4051BC
BU4052BC
BU4053BC
BU4551B
Power Supply Voltage
VDD
-0.5 to 20
-0.3 to 18
V
Supply current
Iin
±10
mA
Operating temperature
Topr
-40 to 85
℃
Storage temperature
Tstg
-55 to 150
℃
Input Voltage
VIN
-0.5 to VDD+0.5
-0.3 to VDD+0.3
V
Maximum junction temperature
Tjmax
150
℃
●Recommended Operating Conditions
Parameter
Symbol
Limit
Unit
BU4066BC
BU4051BC
BU4052BC
BU4053BC
BU4551B
Operating Power Supply
VDD
3 to 18
3 to 16
V
Input Voltage
VIN
0 to VDD
V
●Thermal Derating Curve
●I/O Interface
●Description of output rising / falling wave
(*1)
9.5
mW/℃
(*2)
7.0
(*3)
4.9
(*4)
10.0
(*5)
5.0
(*6)
3.1
VDD
GND
VDD
GND
<Analog switch input / output>
<Input>
·tPLH: Time up to 50% of the rise time of input waveform
~ 50% of the rise time of output waveform
·tPHL: Time up to 50% of the fall time of input waveform
~ 50% of the fall time of output waveform
·tPZH: Time up to 50% of input ~ 50% of the
rise time of output waveform
·tPHZ: Time up to 50% of input ~ 50% of the
fall time of output waveform
·tPZH: Time up to 50% of input ~ 50% of the
fall time of output waveform
·tPHZ: Time up to 10% of input ~ 10% of the
rise time of output waveform
0
200
400
600
800
1000
1200
1400
0
25
50
75
100
125
150
175
Ambient
temperature Ta〔℃〕
Pow
er
Dissipation
Pd
〔 mW
〕
1250[mV] BU4***
(*4)
620[mV] BU4***FV
(*5)
380[mV] BU4***F
(*6)
85℃
0
200
400
600
800
1000
1200
1400
0
25
50
75
100
125
150
175
Ambient
temperature Ta〔℃〕
Pow
er
Dissipation
Pd
〔 mW
〕
1180[mV] BU4066BC
(*1)
870[mV] BU4066BCFV
(*2)
610[mV] BU4066BCF
(*3)
85℃
(*) Below shows BU4***
BU4051BC
BU4052BC
BU4053BC
BU4551B