BU7265G_1012 Datasheet, PDF (14/29 Pages) Rohm – Ultra Low Power CMOS Operational Amplifiers

BU7265G,BU7265SG,BU7205HFV,BU7205SHFV,BU7271G,BU7271SG,BU7245HFV,BU7245SHFV,
BU7411G,BU7411SG,BU7421G,BU7421SG,BU7475HFV,BU7475SHFV
Technical Note
○BU7245 family
10 .0
BU7245 family
7 .5
5 .0
25℃ -40℃
2 .5
0 .0
105℃
85℃
-2 .5
-5 .0
-7 .5
- 10 .0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.82
Input Offset Voltage – Supply Voltage
(Vicm=VDD, VOUT=1.5[V])
160
BU7245 family
140
120
25℃
85℃ 105℃
100
80
60
1
120
-40℃
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.85
Large Signal Voltage Gain
– Supply Voltage
BU7245 family
100
80
3.0V
5.5V
60
1.8V
40
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.88
Common Mode Rejection Ratio
– Ambient Temperature
80
BU7245 family
70
60
50
5.5V
40
30
20
1.8V
3.0V
10
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.91
Slew Rate H-L – Ambient Temperature
1 0.0
BU7245 family
7.5
5.0
2.5
5.5V
0.0
1.8V
3.0V
-2.5
-5.0
-7.5
-1 0.0
-60
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.83
Input Offset Voltage – Ambient Temperature
(Vicm=VDD, VOUT=1.5[V])
160
BU7245 family
15
BU7245 family
10
5
-40℃
0
25℃
-5
105℃ ^85℃
-10
-15
-1
0
1
2
3
4
INPUT VOLTAGE [V]
Fig.84
Input Offset Voltage – Input Voltage
(VDD=3[V])
1 20
BU7245 family
140
120
5.5V
100
80
3.0V _1.8V
1 00
105℃
80
85℃
60
25℃
40
-40℃
20
60
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.86
Large Signal Voltage Gain
– Ambient Temperature
140
BU7245 family
120
100
80
60
40
20
0
-60 -30 0 30 60 90 120
AMBI ENT TEMPERATURE [℃]
Fig.89
Power Supply Rejection Ratio
– Ambient Temperature
1 00
Phase
BU7245 family ₂₀₀
80
15 0
60
Gain
10 0
40
50
20
0
1
2
3
4
5
6
SUPPLY VOLTAGE [ V]
Fig.87
Common Mode Rejection Ratio
– Supply Voltage
80
BU7245 family
70
60
50
5.5V
40
30
20
1.8V ^3.0V
10
0
-60
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.90
Slew Rate L-H – Ambient Temperature
0
1.E+00
1.E+01 1.E+02 1.E+03 1.E+04 1.E+05
FREQUENCY [ Hz]
Fig.92
Gain – Frequency
0
1.E+06
(*)The above data is ability value of sample, it is not guaranteed. BU7245HFV: -40[℃] ~ +85[℃] BU7245SHFV: -40[℃] ~ +105[℃]
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14/28
2010.12 - Rev.A