BU7461G_10 Datasheet, PDF (24/37 Pages) Rohm – Ground Sense Low Voltage Operation CMOS Operational Amplifiers

BU7461/BU7461S family, BU7441/BU7441S family, BU7462/BU7462S family, BU7442/BU7442S family
BU7464/BU7464S family, BU7444/BU7444S family, BU7465/BU7465S family, BU7445/BU7445S family Technical Note
●Reference data (BU7444 family)
10. 0
BU7444 family
7. 5
5. 0
2. 5
105℃ _25℃
0. 0
- 2. 5
-40℃
85℃
- 5. 0
- 7. 5
-10. 0
1
2
3
4
5
6
INPUT VOLTAGE [V]
Fig.151
Input Offset Voltage – Supply Voltage
(Vicm= VDD-1.2[V], VOUT= VDD/2)
160
BU7444 family
140
105℃
25℃
120
100
-40℃
85℃
80
60
40
20
0
1
12 0
10 0
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.154
Large Signal Voltage Gain
– Supply Voltage
BU7444 family
5.5V
80
3.0V
1.7V
60
40
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [ ℃]
Fig.157
Common Mode Rejection Ratio
– Ambient Temperature
1.0
BU7444 family
0.8
0.6
3.0V
5.5V
0.4
1.7V
0.2
1 0.0
BU7444 family
15
BU7444 family
7.5
5.0
2.5
5.5V
10
-40℃
5
25℃
0.0
0
-2.5
1.8V
3.0V
-5
-5.0
-7.5
-10
105℃
85℃
-1 0.0
-60 -30 0 30 60 90 120
AMBI ENT TEMPERATURE [ ℃]
Fig.152
Input Offset Voltage – Ambient Temperature
(Vicm= VDD-1.2[V], VOUT= VDD/2)
-15
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
INPUT VOLTAGE [ V]
Fig.153
Input Offset Voltage – Input Voltage
(VDD=3[V])
16 0
BU7444 family
12 0
14 0
10 0
3.0V
5.5V
BU7444 family
25℃
12 0
10 0
1.7V
80
105℃
85℃
-40℃
60
40
80
20
60
-60
140
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.155
Large Signal Voltage Gain
– Ambient Temperature
BU7444 family
120
100
80
60
40
20
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.158
Power Supply Rejection Ratio
– Ambient Temperature
100
Phase
BU7444 family ₂₀₀
0
1
2
3
4
5
6
SUPPLY VOLTAGE [ V]
Fig.156
Common Mode Rejection Ratio
– Supply Voltage
1. 0
BU7444 family
0. 8
0. 6
5.5V
3.0V
0. 4
0. 2
1.7V
0. 0
-60
-30 0
30 60 90 120
AMBI ENT TEMPERATURE [℃]
Fig.159
Slew Rate L-H – Ambient Temperature
80
150
60
100
Gain
40
50
20
0.0
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.160
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.161
Gain – Frequency
(*)The above data is ability value of sample, it is not guaranteed. BU7444F/FVM/NUX: -40[℃] ~ +85[℃] BU7444S F/FVM/NUX: -40[℃] ~ +105[℃]
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2010.12 - Rev.A