BU7251G Datasheet, PDF (11/19 Pages) Rohm – Comparators: Low Voltage CMOS

BU7251G,BU7251SG, BU7231G,BU7231SG,
BU7252F/FVM,BU7252S F/FVM,BU7232F/FVM,BU7232S F/FVM
Technical Note
○BU7232 family
10.0
BU7232 family
7.5
5.0
2.5
85℃
0.0
-40℃ 25℃
-2.5
-5.0
105℃
-7.5
-10.0
1
2
3
4
5
6
AMBIENT TEMPERATURE [℃]
Fig. 79
Input Offset Voltage – Ambient Temperature
(Vicm=VDD, VOUT=0.1[V])
160
BU7232 family
10.0
BU7232 family
7.5
5.0
2.5
1.8V ^3.0V
0.0
-2.5
5.5V
-5.0
-7.5
-10.0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 80
Input Offset Voltage – Ambient Temperature
(Vicm=VDD, VOUT=0.1[V])
160
BU7232 family
140
140
120
25℃
100
105℃
85℃
80
-40℃
60
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig. 82
Large Signal Voltage Gain – Supply Voltage
120
BU7232 family
120
1.8V
100
5.5V
80
3.0V
60
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 83
Large Signal Voltage Gain
– Ambient Temperature
120
BU7232 family
100
100
80
5.5V
80
60
60
40
1.8V
3.0V
40
20
20
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 85
Common Mode Rejection Ratio –
Ambient Temperature (VDD=3[V])
BU7232 family
1.5
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 86
Power Supply Rejection Ratio
– Ambient Temperature
15
BU7232 family
10
5
-40℃ 105℃
0
-5
85℃
25℃
-10
-15
-1
0
1
2
3
4
INPUT VOLTAGE [V]
Fig. 81
Input Offset Voltage – Input Voltage
(VDD=3[V])
120
BU7232 family
100
80
105℃
60
40
25℃ ^-40℃
20
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig. 84
Common Mode Rejection Ratio
– Supply Voltage (VDD=3[V])
BU7232 family
5
4
3
5.5V
3.0V
2
1
1.8V
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 87
Propagation Delay L-H – Ambient
temperature
1.2
0.9
5.5V
1.8V
0.6
0.3
3.0V
0.0
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 88
Propagation Delay H-L – Ambient Temperature
(*) The above date is ability value of sample, it is not guaranteed.
BU7232 F/FVM：-40[℃] to+85[℃]
BU7232S F/FVM：-40[℃] to+105[℃]
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