BU7251G Datasheet, PDF (4/19 Pages) Rohm – Comparators: Low Voltage CMOS

BU7251G,BU7251SG, BU7231G,BU7231SG,
BU7252F/FVM,BU7252S F/FVM,BU7232F/FVM,BU7232S F/FVM
Technical Note
●Example of electrical characteristics
○BU7251 family
800
BU7251 family
600
BU7251G
400
200
0
0
50
50
100
150
AMBIENT TEMPERATURE [℃]
Fig. 1
Derating Curve
BU7251 family
800
BU7251 family
600
BU7251SG
400
200
0
0
50
100
150
AMBIENT TEMPERATURE [℃]
Fig. 2
Derating Curve
6
BU7251 family
60
BU7251 family
50
40
105℃
85℃
30
25℃
20
10
-40℃
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig. 3
Supply Current – Supply Voltage
8
BU7251 family
40
30
5.5V
20
1.8V ^3.0V
10
105℃
4
85℃
25℃
2
-40℃
6
5.5V
4
3.0V
1.8V
2
0
-60 -30 0 30 60 90 120
AM BIENT TEM PERATURE [℃]
Fig. 4
Supply Current – Ambient Temperature
50
BU7251 family
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig. 5
Output Voltage High – Supply Voltage
(RL=10[kΩ])
50
BU7251 family
0
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 6
Output Voltage High – Ambient Temperature
(RL=10[kΩ])
10
BU7251 family
40
30
105℃
85℃
20
10
-40℃ ^25℃
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig. 7
Output Voltage Low – Supply Voltage
(RL=10[kΩ])
5
BU7251 family
40
30
5.5V
20
1.8V
10
3.0V
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 8
Output Voltage Low – Ambient
Temperature(RL=10[kΩ])
30
BU7251 family
8
-40℃
6
25℃
4
85℃
105℃
2
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT VOLTAGE [V]
Fig. 9
Output Source Current – Supply
Voltage(VDD=3[V])
20
BU7251 family
4
3
5.5V
2
3.0V
1.8V
1
25
-40℃
20
25℃
15
85℃
105℃
10
5
15
5.5V
10
3.0V
1.8V
5
0
-60 -30 0
30 60 90 120
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
OUTPUT VOLTAGE [V]
AMBIENT TEMPERATURE [℃]
Fig. 10
Output Source Current – Ambient Temperature
(VOUT=VDD-0.4[V])
Fig. 11
Output Sink Current – Output Voltage
(VDD=3[V])
Fig. 12
Output Sink Current – Ambient Temperature
(VOUT=VSS+0.4[V])
(*) The above date is ability value of sample, it is not guaranteed. BU7251G：-40[℃] to+85[℃] BU7251SG：-40[℃] to+105[℃]
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