BU7461G_10 Datasheet, PDF (26/37 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 (BU7445 family)
10. 0
BU7445 family
7. 5
5. 0
-40℃
25℃
2. 5
85℃
0. 0
- 2. 5
- 5. 0
105℃
- 7. 5
-10. 0
1
2
3
4
5
6
INPUT VOLTAGE [V]
Fig.174
Input Offset Voltage – Supply Voltage
(Vicm= VDD-1.2[V], VOUT= VDD/2)
1 60
BU7445 family
1 0.0
BU7445 family
7.5
5.0
5.5V
2.5
0.0
-2.5
1.7V
3.0V
-5.0
-7.5
-1 0.0
-60 -30 0 30 60 90 120
AMBI ENT TEMPERATURE [ ℃]
Fig.175
Input Offset Voltage – Ambient Temperature
(Vicm= VDD-1.2[V], VOUT= VDD/2)
16 0
BU7445 family
BU7445 family
15
10
5
0
25℃
105℃
-5
85℃
-40℃
-1 0
-1 5
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
INPUT VOLTAGE [V]
Fig.176
Input Offset Voltage – Input Voltage
(VDD=3[V])
16 0
BU7445 family
1 40
85℃
105℃
1 20
1 00
25℃
80
-40℃
60
1
14 0
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.177
Large Signal Voltage Gain
– Supply Voltage
BU7445 family
12 0
5.5V
3.0V
1.7V
10 0
80
60
40
20
0
-60 -30
0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.180
Common Mode Rejection Ratio
– Ambient Temperature
0 .8
BU7445 family
14 0
5.5V
12 0
3.0V
10 0
80
1.7V
60
-60
140
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.178
Large Signal Voltage Gain
– Ambient Temperature
BU7445 family
120
100
80
60
40
20
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.181
Power Supply Rejection Ratio
– Ambient Temperature
100
Phase
BU7445 family ₂₀₀
14 0
12 0
105℃
85℃
10 0
80
-40℃
25℃
60
1
2
3
4
5
6
SUPPLY VOLTAGE [ V]
Fig.179
Common Mode Rejection Ratio
– Supply Voltage
BU7445 family
0. 8
0. 6
0. 4
5.5V
3.0V
0. 2
1.7V
0. 0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.182
Slew Rate L-H – Ambient Temperature
80
0 .6
150
0 .4
3.0V
5.5V
0 .2
1.7V
0 .0
-60 -30
0
30 60
90 120
AMBI ENT TEMPERATURE [℃]
Fig.183
Slew Rate H-L – Ambient Temperature
60
100
Gain
40
50
20
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.184
Gain – Frequency
(*)The above data is ability value of sample, it is not guaranteed. BU7445HFV: -40[℃] ~ +85[℃] BU7445S HFV: -40[℃] ~ +105[℃]
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26/36
2010.12 - Rev.A