BU7251G Datasheet, PDF (7/19 Pages) Rohm – Comparators: Low Voltage CMOS

BU7251G,BU7251SG, BU7231G,BU7231SG,
BU7252F/FVM,BU7252S F/FVM,BU7232F/FVM,BU7232S F/FVM
Technical Note
○BU7252 family
10.0
BU7252 family
7.5
5.0
2.5
-40℃ ^25℃
0.0
-2.5
85℃ _105℃
-5.0
-7.5
-10.0
1
2
3
4
5
6
SUPPLY VOLTAGE[V]
Fig. 35
Input Offset Voltage – Supply Voltage
(Vicm=VDD,VOUT=0.1[V])
160
BU7252 family
140
105℃
25℃
120
100
85℃
80
60
-40℃
40
20
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig. 38
Large Signal Voltage Gain – Supply
Voltage
120
BU7252 family
100
80
5.5V
60
40
3.0V
1.8V
20
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 41
Common Mode Rejection – Ambient
Temperature (VDD=3[V])
0.8
BU7251 family
10.0
BU7252 family
15
BU7252 family
7.5
10
5.0
2.5
5
1.8V ^3.0V
0.0
0
-40℃
25℃
-2.5
5.5V
-5
105℃
-5.0
85℃
-7.5
-10
-10.0
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 36
Input Offset Voltage – Ambient Temperature
(Vicm=VDD,VOUT=0.1[V])
160
BU7252 family
-15
-1
0
1
2
3
4
INPUT VOLTAGE [V]
Fig. 37
Input Offset Voltage – Input Voltage
(VDD=3[V])
120
BU7252 family
140
120
1.8V
100
80
3.0V
60
5.5V
40
100
80
85℃ ^105℃
60
40
25℃ ^-40℃
20
20
-60
120
-30 0
30 60 90 120
AMBIENT TEMP ERATURE [℃]
Fig. 39
Large Signal Voltage Gain
– Ambient Temperature
BU7252 family
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig. 40
Common Mode Rejection Ratio
– Supply Voltage (VDD=3[V])
2.0
BU7252 family
100
1.5
80
1.8V
60
1.0
5.5V
40
0.5
20
3.0V
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 42
Power Supply Rejection Ratio – Ambient
Temperature
0.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 43
Propagation Delay L-H – Ambient
Temperature
0.6
1.8V
0.4
3.0V
0.2
5.5V
0.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 44
Propagation Delay H-L – Ambient Temperature
(*) The above date is ability value of sample, it is not guaranteed.
BU7252 F/FVM：-40[℃] to+85[℃]
BU7252S F/FVM：-40[℃] to+105[℃]
7/18
5.5V