BU7261G Datasheet, PDF (22/33 Pages) Rohm – Low Voltage Operation CMOS Operational Amplifiers

BU7261G,BU7261SG,BU7241G,BU7241SG,BU7262F/FVM,BU7262SF/FVM,BU7242F/FVM,BU7242SF/FVM
BU7461G,BU7461SG,BU7441G,BU7441SG,BU7462F/FVM,BU7462SF/FVM,BU7442F/FVM,BU7442SF/FVM
Technical Note
○BU7442 family
10.0
BU7442 family
7.5
5.0
2.5
-40℃
25℃
0.0
-2.5
-5.0
85℃
105℃
-7.5
-10.0
0123456
SUPPLY VOLTAGE [V]
Fig. 174
Input Offset Voltage – Supply Voltage
(Vicm=VDD-1.2[V], VOUT= VDD/2)
10.0
BU7442 family
7.5
5.0
5.5V
2.5
0.0
-2.5
-5.0
3.0V
1.7V
-7.5
-10.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [°C]
Fig. 175
Input Offset Voltage – Ambient Temperature
(Vicm=VDD-1.2[V], VOUT= VDD/2)
15
-40℃
10
5
25℃
BU7442 family
0
85℃
-5
-10
105℃
-15
-1
0
1
2
3
INPUT VOLTAGE [V]
Fig. 176
Input Offset Voltage – Input Voltage
(VDD=3[V])
160
BU7442 family
140
120
-40℃ 105℃
100
80
85℃
25℃
60
0123456
SUPPLY VOLTAGE [V]
Fig. 177
Large Signal Voltage Gain
– Supply Voltage
120
100
BU7442 family
5.5V
80
60
3.0V
1.7V
40
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [°C]
Fig. 180
Common Mode Rejection Ratio
– Ambient Temperature
1.0
BU7442 family
0.8
0.6
3.0V
0.4
0.2
5.5V
1.7V
0.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [°C]
Fig. 183
Slew Rate H-L – Ambient Temperature
160
BU7442 family
140
120
5.5V
100
80
3.0V
1.7V
60
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [°C]
Fig. 178
Large Signal Voltage Gain
– Ambient Temperature
120
BU7442 family
100
80
60
40
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [°C]
Fig. 181
Power Supply Rejection Ratio
– Ambient Temperature
100
Phase
BU7442 family ₂₀₀
80
150
60
100
40
Gain
20
50
0
0
1.E+00 1.E+02 1.E+04 1.E+06 1.E+08
FREQUENCY [Hz]
Fig. 184
Gain - Frequency
120
100
85℃
BU7442 family
105℃
80
60
-40℃
25℃
40
20
0
0123456
SUPPLY VOLTAGE [V]
Fig. 179
Common Mode Rejection Ratio
– Supply Voltage
1.0
BU7442 family
0.8
0.6
1.7V
0.4
0.2
3.0V
5.5V
0.0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [°C]
Fig. 182
Slew Rate L-H – Ambient Temperature
(*) The above data is ability value of sample, it is not guaranteed. BU7442F/FVM：-40[℃]～+85[℃] BU7442SF/FVM：-40[℃]～+105[℃]
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2009.05 - Rev.A