BU7232FVM-TR Datasheet, PDF (4/17 Pages) Rohm – Low Voltage CMOS Comparator

○BU7251 family
10.0
BU7251 family
7.5
5.0
2.5
85℃
105℃
0.0
25℃
-40℃
-2.5
-5.0
-7.5
-10.0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.13
Input Offset Voltage – Supply Voltage
(Vicm=VDD, Vout=0.1[V])
BU7251 family
160
140
120
105℃
85℃
100
80
-40℃
25℃
60
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.16
Large Signal Voltage Gain – Supply Voltage
BU7251 family
120
100
5.5V
80
3.0V
1.8V
60
40
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.19
Common Mode Rejection Ratio –
Ambient Temperature (VDD=3[V])
BU7251 family
0.8
10.0
BU7251 family
7.5
5.0
2.5
3.0V
0.0
5.5V
1.8V
-2.5
-5.0
-7.5
-10.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.14
Input Offset Voltage – Ambient Temperature
(Vicm=VDD, Vout=0.1[V])
160
BU7251 family
15
BU7251 family
10
5
85℃ 105℃
0
-40℃
25℃
-5
-10
-15
-1
0
1
2
3
4
INPUT VOLTAGE [V]
Fig.15
Input offset voltage – Input Voltage
(VDD=3[V])
BU7251 family
120
140
120
3.0V
1.8V
100
5.5V
80
100
85℃
25℃
80
60
105℃ ^-40℃
40
20
60
-60
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.17
Large Signal Voltage Gain –
Ambient Temperature
BU7251 family
120
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.18
Common Mode rejection Ratio – Supply Voltage
(VDD=3[V])
BU7251 family
2.0
100
1.5
80
1.8V
60
1.0
5.5V
40
3.0V
0.5
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.20
Power Supply Rejection –
Ambient Temperature
0.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.21
Propagation Delay L-H –
Ambient Temperature
0.6
0.4
1.8V ^5.5V
0.2
3.0V
0.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.22
Propagation Delay H-L –
Ambient Temperature
(*) The above date is ability value of sample, it is not guaranteed. BU7251G：－40[℃] to＋85[℃] BU7251SG：－40[℃] to＋105[℃]
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