BU7461G_10 Datasheet, PDF (7/37 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
○BU7441 family (Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])
Parameter
Limits
Symbol
Temperature
Range
BU7441G, BU7441SG
Unit
Min. Typ. Max.
Input Offset Voltage ^(*14)
Vio
25℃
-
1
6
mV
Condition
－
Input Offset Current ^(*14)
Iio
25℃
-
1
-
pA
－
Input Bias Current ^(*14)
Supply Current ^(*15)
High Level Output Voltage
Ib
25℃
-
1
-
pA
－
IDD
25℃
Full range
-
-
50
-
120
240
μA
RL=∞ All Op-Amps
AV=0[dB], VIN=0.9[V]
VOH
25℃ VDD-0.1 -
-
V RL=10[kΩ]
Low Level Output Voltage
VOL
25℃
-
- VSS+0.1 V RL=10[kΩ]
Large Signal Voltage Gain
Input Common-mode
Voltage Range
Common-mode
Rejection Ratio
Power Supply
Rejection Ratio
Output Source Current ^(*16)
Output Sink Current ^(*16)
AV
Vicm
CMRR
PSRR
IOH
IOL
25℃
25℃
25℃
25℃
25℃
25℃
70
95
-
dB RL=10[kΩ]
0
-
1.8
V VSS ~ VDD-1.2[V]
45
60
-
dB
－
60
80
-
dB
－
3
6
-
mA VDD-0.4[V]
5
10
-
mA VSS+0.4[V]
Slew Rate
SR
25℃
-
0.3
-
V/μs CL=25[pF]
Gain Band width
FT
25℃
-
0.6
-
MHz CL=25[pF], AV=40[dB]
Phase Margin
θ
25℃
-
50
-
° CL=25[pF], AV=40[dB]
Total Harmonic Distortion
THD
25℃
-
0.05
-
% VOUT=1[Vp-p], f=1[kHz]
(*14) Absolute value
(*15) Full range: BU7441: Ta=-40[℃] to +85[℃] BU7441S: Ta=-40[℃] to +105[℃]
(*16) Under the high temperature environment, consider the power dissipation of IC when selecting the output current.
When the terminal short circuits are continuously output, the output current is reduced to climb to the temperature inside IC.
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2010.12 - Rev.A