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BU7252SG-TR Datasheet(PDF) 2 Page - Rohm

Part # BU7252SG-TR
Description  Low Voltage CMOS Comparator
Download  17 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BU7252SG-TR Datasheet(HTML) 2 Page - Rohm

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Absolute maximum ratings (Ta=25[℃])
Rating
Parameter
Symbol
BU7251G,BU7252 F/FVM
BU7231G,BU7232 F/FVM
BU7251SG,BU7252S F/FVM
BU7231SG,BU7232S F/FVM
Unit
Supply Voltage
VDD-VSS
7
V
Differential Input Voltage (*1)
Vid
VDD-VSS
V
Input Common-mode voltage range
Vicm
(VSS-0.3) to VDD+0.3
V
Operating Temperature
Topr
40 to+85
40 to+105
Storage Temperature
Tstg
55 to+125
Maximum junction Temperature
Tjmax
125
Note: Absolute maximum rating item indicates the condition which must not be exceeded.
Application of voltage in excess of absolute maximum rating or use out absoluted maximum rated temperature environment may cause deterioration of characteristics.
(*1) The voltage difference between inverting input and non-inverting input is the differential input voltage.
Then input terminal voltage is set to more then VEE.
Electrical characteristics
BU7251 family, BU7252 family (Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])
Guaranteed Limit
BU7251G
BU7251SG
BU7252 F/FVM
BU7252S F/FVM
Parameter
Symbol
Temperature
range
Min.
Typ.
Max.
Min.
Typ.
Max.
Unit
Condition
Input Offset Voltage (*2)(*4)
Vio
25℃
-
1
11
-
1
11
mV
Input Offset Current (*2)
Iio
25℃
-
1
-
-
1
-
pA
Input Bias Current (*2)
Ib
25℃
-
1
-
-
1
-
pA
Input Common-mode voltage Range
Vicm
25℃
0
-
3
0
-
3
V
(VDD-VSS)=3[V]
Large Signal Voltage Gain
AV
25℃
-
90
-
-
90
-
dB
RL=10[kΩ]
25℃
-
15
35
-
35
65
Supply current(*4)
IDD
full range
-
-
50
-
-
80
µA
RL=∞
Power supply rejection ratio
PSRR
25℃
-
80
-
-
80
-
dB
Common-mode rejection ratio
CMRR
25℃
-
80
-
-
80
-
dB
Output source current (*3)
IOH
25℃
1
2
-
1
2
-
mA
VDD-0.4
Output sink current (*3)
IOL
25℃
3
6
-
3
6
-
mA
VSS+0.4
High Level Output Voltage (*4)
VOH
25℃
VDD-0.1
-
-
VDD-0.1
-
-
V
RL=10[kΩ]
Low Level Output Voltage (*4)
VOL
25℃
-
-
VSS+0.1
-
-
VSS+0.1
V
RL=10[kΩ]
Output rise time
Tr
25℃
-
50
-
-
50
-
ns
CL=15pF 100mV over drive
Output fall time
Tf
25℃
-
20
-
-
20
-
ns
CL=15pF 100mV over drive
Propagation delay L to H
TPLH
25℃
-
0.55
-
-
0.55
-
µs
CL=15pF 100mV over drive
Propagation delay H to L
TPHL
25℃
-
0.25
-
-
0.25
-
µs
CL=15pF 100mV over drive
(*2) Abusolute values
(*3) Reference to power dissipation under the high temperature environment and decide the output current.
Continuous short circuit is occurring the degenerate of output current characteristics.
(*4) Full range BU7251,BU7252:Ta=-40[℃] to +85[℃] BU7251S,BU7252S:Ta=-40[℃] to +105[℃]
Electrical characteristics
BU7231 family, BU7232 family (Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])
Guaranteed limit
BU7231G
BU7231SG
BU7232F/FVM
BU7232S F/FVM
Parameter
Symbol
Temperature
range
Min.
Min.
Typ.
Max.
Unit
Condition
Input Offset Voltage (*5)
Vio
25℃
-
1
11
-
1
11
mV
Input Offset Current (*5)
Iio
25℃
-
1
-
-
1
-
pA
Input Bias Current (*5)
Ib
25℃
-
1
-
-
1
-
pA
Input Common-mode voltage Range
Vicm
25℃
0
-
3
0
-
3
V
(VDD-VSS)=3[V]
Large Signal Voltage Gain
AV
25℃
-
90
-
-
90
-
dB
RL=10[kΩ]
25℃
-
5
15
-
10
25
Supply current
IDD
full range
-
-
30
-
-
50
µA
RL=∞
Power supply rejection ratio
PSRR
25℃
-
80
-
-
80
-
dB
Common-mode rejection ratio
CMRR
25℃
-
80
-
-
80
-
dB
Output source current (*6)
IOH
25℃
1
2
-
1
2
-
mA
VDD-0.4
Output sink current (*6)
IOL
25℃
3
6
-
3
6
-
mA
VSS+0.4
High Level Output Voltage (*7)
VOH
25℃
VDD-0.1
-
-
VDD-0.1
-
-
V
RL=10[kΩ]
Low Level Output Voltage (*7)
VOL
25℃
-
-
VSS+0.1
-
-
VSS+0.1
V
RL=10[kΩ]
Output rise time
Tr
25℃
-
50
-
-
50
-
ns
CL=15pF 100mV over drive
Output fall time
Tf
25℃
-
20
-
-
20
-
ns
CL=15pF 100mV over drive
Propagation delay L to H
TPLH
25℃
-
1.7
-
-
1.7
-
µs
CL=15pF 100mV over drive
Propagation delay H to L
TPHL
25℃
-
0.5
-
-
0.5
-
µs
CL=15pF 100mV over drive
(*5) Abusolute values
(*6) Reference to power dissipation under the high temperature environment and decide the output current.
Continuous short circuit is occurring the degenerate of output current characteristics.
(*7) Full range BU7231,BU7232:Ta=-40[℃] to +85[℃] BU7231S,BU7232S:Ta=-40[℃] to +105[℃]


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