BU7291G-E Datasheet, PDF (17/27 Pages) Rohm – Low Voltage with High Speed CMOS Op-Amp integrates one independent output full swing Op-Amps and phase compensation capacitors on a single chip.

BU7291G,BU7291SG,BU7255HFV,BU7255SHFV,
BU7495HFV,BU7495SHFV,BU7481G,BU7481SG,BU7485G,BU7485SG,BU5281G,BU5281SG
Technical Note
●Reference Data (BU7485 family)
10 .0
BU7485 family
7 .5
5 .0
2 .5
85℃
105℃
0 .0
-2 .5
25℃
-40℃
-5 .0
-7 .5
- 10 .0
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.105
Input Offset Voltage – Supply Voltage
(Vicm=VDD-1.4[V], VOUT=1.5[V])
BU7485 family
140
120
-40℃
100
80
105℃
25℃
60
85℃
40
20
0
2
3
4
5
6
SUPPLY VOLTAG E [V]
Fig.108
Large Signal Voltage Gain
– Supply Voltage
BU7485 family
120
100
4.0V
80
3.0V
5.5V
60
40
20
0
-60 -30 0 30 60 90 120
AMBI ENT TEMPERATURE [℃]
Fig.111
Common Mode Rejection Ratio
– Ambient Temperature
30. 0
BU7485 family
25. 0
20. 0
15. 0
5.5V
4.0V
10. 0
3.0V
5. 0
1 0.0
BU7485 family
15
BU7485 family
7.5
5.0
5.5V
2.5
0.0
10
5
85℃
105℃
0
-2.5
3.0V
-5.0
-7.5
4.0V
-5
-40℃
25℃
-1 0
-1 0.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.106
Input Offset Voltage – Ambient Temperature
(Vicm=VDD-1.4[V], VOUT=1.5[V])
-1 5
-1
0
1
2
3
INPUT VOLTAGE [V]
Fig.107
Input Offset Voltage – Input Voltage
(VDD=3[V])
160
BU7485 family
120
BU7485 family
-40℃
85℃
140
100
120
5.5V
4.0V
3.0V
100
80
80
25℃
105℃
60
40
20
60
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.109
Large Signal Voltage Gain
– Ambient Temperature
BU7485 family
120
100
80
60
40
0
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.110
Common Mode Rejection Ratio
– Supply Voltage (VDD=3[V])
12 .0
5.5V
BU7485 family
10 .0
8 .0
4.0V
3.0V
6 .0
4 .0
20
0
-60 -30 0 30 60 90 120
AMBI ENT TEMPERATURE [℃]
Fig.112
Power Supply Rejection Ratio
– Ambient Temperature
100
BU7485 family ₂₀₀
Phase
80
150
60
100
40
Gain
50
20
2 .0
0 .0
-60
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.113
Slew Rate L-H
– Ambient Temperature
0. 0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.114
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.115
Voltage Gain－Frequency
(*)The above data is ability value of sample, it is not guaranteed. BU7485G: -40[℃] ~ +85[℃] BU7485SG: -40[℃] ~ +105[℃]
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17/26
2010.12 - Rev.A