BU7271SHFV 查看數據表（PDF） - ROHM Semiconductor
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BU7271SHFV Datasheet PDF : 29 Pages
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BU7265G,BU7265SG,BU7205HFV,BU7205SHFV,BU7271G,BU7271SG,BU7245HFV,BU7245SHFV,
BU7411G,BU7411SG,BU7421G,BU7421SG,BU7475HFV,BU7475SHFV
Technical Note
●Electrical characteristics: Ground Sense
○BU7411 family,(Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])
Parameter
Symbol
Temperature
Range
Limits
BU7411G, BU7411SG
Min. Typ. Max.
Input Offset Voltage (*14)
Vio
25℃
-
1
8
Input Offset Current (*14)
Input Bias Current (*14)
Iio
25℃
-
1
-
Ib
25℃
-
1
-
Unit
Condition
mV
VDD=1.6 ~ 5.5[V],
VOUT=VDD/2
pA
－
pA
－
Supply Current (*15)
25℃
-
IDD
Full range -
0.35
-
0.8
1.3
μA
RL=∞, AV=0[dB],
VIN=1.0[V]
High Level Output Voltage
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
AV
25℃
60
95
-
dB RL=10[kΩ]
Input Common-mode Voltage Range Vicm 25℃
0
-
2
V VSS ~ VDD-1.0[V]
Common-mode Rejection Ratio
CMRR 25℃
45
60
-
dB
－
Power Supply Rejection Ratio
Output Source Current (*16)
Output Sink Current (*16)
PSRR 25℃
60
80
IOH
25℃
1
2.4
IOL
25℃
2
4
-
dB
－
-
mA VDD-0.4[V]
-
mA VSS+0.4[V]
Slew Rate
SR
25℃
-
2.4
- V/ms CL=25[pF]
Gain Band width
FT
25℃
-
4
-
kHz CL=25[pF], AV=40[dB]
Phase Margin
θ
25℃
-
60
-
° CL=25[pF], AV=40[dB]
(*14) Absolute value
(*15) Full range BU7411: Ta=-40[℃]~+85[℃] BU7411S: Ta=-40[℃]~+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.
○BU7421 family (Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])
Parameter
Symbol
Temperature
Range
Limits
BU7421G, BU7421SG
Min. Typ. Max.
Input Offset Voltage (*17)
Vio
25℃
-
1
6
Input Offset Current (*17)
Input Bias Current (*17)
Iio
25℃
-
1
-
Ib
25℃
-
1
-
Unit
Condition
mV
VDD=1.7 ~ 5.5[V],
VOUT=VDD/2
pA
－
pA
－
Supply Current (*18)
25℃
-
IDD
Full range -
8.5
-
17
25
μA
RL=∞, AV=0[dB],
VIN=0.9[V]
High Level Output Voltage
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
AV
25℃
70
100
-
dB RL=10[kΩ]
Input Common-mode Voltage Range Vicm 25℃
0
-
1.8
V VSS ~ VDD-1.2[V]
Common-mode Rejection Ratio
CMRR 25℃
45
60
-
dB
－
Power Supply Rejection Ratio
Output Source Current (*19)
Output Sink Current (*19)
PSRR 25℃
60
80
IOH
25℃
2
4
IOL
25℃
4
8
-
dB
－
-
mA VDD-0.4[V]
-
mA VSS+0.4[V]
Slew Rate
SR
25℃
-
50
- V/ms CL=25[pF]
Gain Band width
FT
25℃
-
90
-
kHz CL=25[pF], AV=40[dB]
Phase Margin
θ
25℃
-
60
-
° CL=25[pF], AV=40[dB]
(*17) Absolute value
(*18) Full range BU7421: Ta=-40[℃]~+85[℃] BU7421S: Ta=-40[℃]~+105[℃]
(*19) 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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5/28
2010.12 - Rev.A
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