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BU7461G_10 Datasheet, PDF (3/37 Pages) Rohm – Ground Sense Low Voltage Operation CMOS Operational Amplifiers | |||
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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
âElectrical characteristics
âBU7461 family (Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[â])
Parameter
Symbol
Temperature
Range
Limits
BU7461G, BU7461SG
Min. Typ. Max.
Input Offset Voltage (*2)
Vio
25â
-
1
6
Unit Condition
mV
ï¼
Input Offset Current (*2)
Iio
25â
-
1
-
pA
ï¼
Input Bias Current (*2)
Supply Current (*3)
High Level Output Voltage
Ib
25â
-
1
-
pA
ï¼
IDD
25â
Full range
-
-
150
-
350
450
μA
RL=â All Op-Amps
AV=0[dB], VIN=0.9[V]
VOH
25â VDD-0.1 -
-
V RL=10[kâ¦]
Low Level Output Voltage
VOL
25â
-
- VSS+0.1 V RL=10[kâ¦]
Large Signal Voltage Gain
Input Common-mode
Voltage Range
Common-mode
Rejection Ratio
Power Supply
Rejection Ratio
Output Source Current (*4)
Output Sink Current (*4)
AV
Vicm
CMRR
PSRR
IOH
IOL
25â
25â
25â
25â
25â
25â
70
95
-
dB RL=10[kâ¦]
0
-
1.8
V VSS ~ VDD-1.2[V]
45
60
-
dB
ï¼
60
80
-
dB
ï¼
4
8
-
mA VDD-0.4[V]
6
12
-
mA VSS+0.4[V]
Slew Rate
SR
25â
-
1.0
-
V/μs CL=25[pF]
Gain Band width
FT
25â
-
1
-
MHz CL=25[pF], AV=40[dB]
Phase Margin
θ
25â
-
50
-
° CL=25[pF], AV=40[dB]
Total Harmonic Distortion
THD
25â
-
0.05
-
%
VOUT=1[Vp-p]
f=1[kHz]
(*2) Absolute value
(*3) Full range: BU7461: Ta=-40[â] to +85[â] BU7461S: Ta=-40[â] to +105[â]
(*4) 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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3/36
2010.12 - Rev.A
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