BU7291G Datasheet, PDF (19/27 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 (BU5281 family)
10.0
BU5281 family
7.5
5.0
2.5
-40℃ 25℃
0.0
-2.5
105℃
85℃
-5.0
-7.5
-10.0
1
2
3
4
5
6
SUPPLY VO LTAGE[V]
Fig.128
Input Offset Voltage – Supply Voltage
(Vicm=VDD-1.2[V], VOUT=1.5[V])
160
140
-40℃
BU5281 family
120
100
105℃
85℃
25℃
80
60
40
20
0
1
2
3
4
5
6
AMBIENT TEMPERATURE [℃]
Fig.131
Large Signal Voltage Gain
– Supply Voltage
BU5281 family
12 0
5.5V
10 0
80
3.0V
1.8V
60
40
20
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.134
Common Mode Rejection Ratio
– Ambient Temperature
1 0.0
5.5V
8.0
BU5281 family
6.0
4.0
3.0V
1.8V
2.0
0.0
-60
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.137
Slew Rate H-L – Ambient Temperature
10.0
BU5281 family
7.5
5.0
3.0V
5.5V
2.5
0.0
-2.5
1.8V
-5.0
-7.5
-10.0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.129
Input Offset Voltage – Ambient Temperature
(Vicm=VDD-1.2[V], VOUT=1.5[V])
BU5281 family
15
-40℃
10
25℃
85℃
5
105℃
0
-5
-10
-15
-1
0
1
2
3
INPUT VOLTAGE [V]
Fig.130
Input Offset Voltage – Input Voltage
(VDD=3[V])
BU5281 family
160
140
120
100
5.5V
3.0V
1.8V
80
60
40
20
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.132
Large Signal Voltage Gain
– Ambient Temperature
12 0
-40℃
10 0
BU5281 family
80
25℃
85℃
105℃
60
40
20
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.133
Common Mode Rejection Ratio
– Supply Voltage (VDD=3[V])
150
BU5281 family
4.0
BU5281 family
120
90
60
30
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.135
Power Supply Rejection Ratio
– Ambient Temperature
1 00
Phase
80
BU5281 family
200
150
60
Gain
100
40
50
20
5.5V
3.0
3.0V
2.0
1.0
1.8V
0.0
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.136
Slew Rate L-H –
Ambient Temperature
0
0
1.E+00 1.E+0 1 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
FREQUENCY [Hz]
Fig.138
Voltage Gain－Frequency
(*)The above data is ability value of sample, it is not guaranteed. BU5281G: -40[℃] ~ +85[℃] BU5281SG: -40[℃] ~ +105[℃]
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19/26
2010.12 - Rev.A