BU7291G Datasheet, PDF (15/27 Pages) Rohm – High Speed with Low Voltage CMOS Operational Amplifiers

BU7291G,BU7291SG,BU7255HFV,BU7255SHFV,
BU7495HFV,BU7495SHFV,BU7481G,BU7481SG,BU7485G,BU7485SG,BU5281G,BU5281SG
Technical Note
●Reference Data (BU7481 family)
BU7481 family
10
8
6
4
105℃
2
0
-2
85℃
-40℃
25℃
-4
-6
-8
-10
1
2
3
4
5
6
INPUT VOLTAGE [V]
Fig.82
Input Offset Voltage – Supply Voltage
(Vicm=VDD-1.2[V], VOUT=1.5[V])
160
BU7481 family
140
85℃
105℃
120
100
25℃
80
-40℃
60
40
20
0
1
120
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.85
Large Signal Voltage Gain
– Supply Voltage
BU7481 family
100
5.5V
80
1.8V
3.0V
60
40
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.88
Common Mode Rejection Ratio
– Ambient Temperature
BU7481 family
6 .0
5.5V
5 .0
4 .0
3 .0
3.0V
1.8V
2 .0
1 .0
1 0.0
BU7481 family
7.5
5.0
5.5V
2.5
0.0
1.8V 3.0V
-2.5
-5.0
-7.5
-1 0.0
-60 -30 0 30 60 90 120
AMBI ENT TEMPERATURE [ ℃]
Fig.83
Input Offset Voltage – Ambient Temperature
(Vicm=VDD-1.2[V], VOUT=1.5[V])
BU7481 family
10
105℃
8
85℃
6
25℃
4
-40℃
2
0
-2
-4
-6
-8
-10
-1
0
1
2
3
INPUT VOLTAGE [V]
Fig.84
Input Offset Voltage – Input Voltage
(VDD=3[V])
16 0
BU7481 family
120
BU7481 family
-40℃
5.5V
14 0
100
12 0
1.8V
3.0V
10 0
80
80
85℃ 25℃ 105℃
60
40
20
60
-60 -30
0
30
60
90 120
AMBIENT TEMPERATURE [℃]
Fig.86
Large Signal Voltage Gain
– Ambient Temperature
BU7481 family
140
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.87
Common Mode Rejection Ratio
– Supply Voltage (VDD=3[V])
BU7481 family
5 .0
120
4 .0
5.5V
100
80
3 .0
3.0V
1.8V
60
2 .0
40
1 .0
20
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.89
Power Supply Rejection Ratio
– Ambient Temperature
1 00
Phase
BU7481 family
20 0
0 .0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [ ℃]
Fig.90
Slew Rate L-H
– Ambient Temperature
80
15 0
60
10 0
Gain
40
50
20
0 .0
-60 -30
0
30 60 90 120
AMBI ENT TEMPERATURE [℃]
Fig.91
Slew Rate H-L – Ambient Temperature
0
0
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
FREQUENCY [Hz]
Fig.92
Voltage Gain－Frequency
(*)The above data is ability value of sample, it is not guaranteed. BU7481G: -40[℃] ~ +85[℃] BU7481SG: -40[℃] ~ +105[℃]
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
15/26
2010.12 - Rev.A