BU7291G Datasheet, PDF (11/27 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 (BU7255 family)
10. 0
BU7255 family
7. 5
5. 0
2. 5
-40℃
25℃
0. 0
-2. 5
-5. 0
105℃
85℃
-7. 5
-10. 0
2
3
4
5
6
SUPPLY VOLTAGE[V]
Fig.36
Input Offset Voltage – Supply Voltage
(Vicm=VDD, VOUT=1.5V])
BU7255 family
140
120
100
85℃
-40℃ 25℃ 105℃
80
60
40
20
0
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.39
Large Signal Voltage Gain
– Supply Voltage
BU7255 family
120
100
5.5V
80
60
3.0V
2.4V
40
20
0
-60
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.42
Common Mode Rejection Ratio
– Ambient Temperature
BU7255 family
8.0
6.0
5.5V
4.0
3.0V
2.4V
2.0
10.0
BU7255 family
7.5
5.0
2.5
5.5V
0.0
-2.5
3.0V
2.4V
-5.0
-7.5
-1 0.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.37
Input Offset Voltage – Ambient Temperature
(Vicm=VDD, VOUT=1.5[V])
BU7255 family
16 0
14 0
5.5V
12 0
10 0
2.4V
3.0V
80
60
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.40
Large Signal Voltage Gain
– Ambient Temperature
BU7255 family
140
120
100
80
60
40
20
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.43
Power Supply Rejection Ratio
– Ambient Temperature
100
Phase
BU7255 family ₂₀₀
80
150
60
Gain
100
40
50
20
BU7255 family
15
10
5
25℃
85℃
0
-5
-40℃
105℃
-10
-15
-1
0
1
2
3
4
INPUT VOLTAGE [V]
Fig.38
Input Offset Voltage – Input Voltage
(VDD=3[V])
BU7255 family
120
100
105℃
85℃
80
60
-40℃
25℃
40
20
0
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.41
Common Mode Rejection Ratio
– Supply Voltage (VDD=3[V])
BU7255 family
8
6
5.5V
4
3.0V
2
2.4V
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.44
Slew Rate L-H
– Ambient Temperature
0.0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.45
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.46
Voltage Gain－Frequency
(*)The above data is ability value of sample, it is not guaranteed. BU7255HFV: -40[℃] ~ +85[℃] BU7255SHFV: -40[℃] ~ +105[℃]
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11/26
2010.12 - Rev.A