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BU7255HFV Datasheet(PDF) 5 Page - Rohm

Part # BU7255HFV
Description  High Speed with Low Voltage CMOS Operational Amplifiers
Download  27 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BU7255HFV Datasheet(HTML) 5 Page - Rohm

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Technical Note
5/26
www.rohm.com
2010.12 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
BU7291G,BU7291SG,BU7255HFV,BU7255SHFV,
BU7495HFV,BU7495SHFV,BU7481G,BU7481SG,BU7485G,BU7485SG,BU5281G,BU5281SG
○BU7481 family(Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])
Parameter
Symbol
Temperature
Range
Limits
Unit
Condition
BU7481G, BU7481SG
Min.
Typ.
Max.
Input Offset Voltage
(*11)
Vio
25℃
1
8
mV
Input Offset Current
(*11)
Iio
25℃
1
pA
Input Bias Current
(*11)
Ib
25℃
1
pA
Supply Current
(*12)
IDD
25℃
420
750
μA
RL=∞ All Op-Amps
AV=0[dB],VIN=0.9[V]
Full range
900
High Level Output Voltage
VOH
25℃
VDD-0.1
V
RL=10[k
Ω]
Low Level Output Voltage
VOL
25℃
VSS+0.1
V
RL=10[k
Ω]
Large Signal Voltage Gain
AV
25℃
70
105
dB
RL=10[k
Ω]
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
PSRR
25℃
60
80
dB
Output Source Current
(*13)
IOH
25℃
5
8
mA
VDD - 0.4[V]
Output Sink Current
(*13)
IOL
25℃
9
16
mA
VSS + 0.4[V]
Slew Rate
SR
25℃
3.2
V/
μs
CL=25[pF]
Gain Band width
FT
25℃
2.8
MHz
CL=25[pF], AV=40[dB]
Phase Margin
θ
25℃
50
°
CL=25[pF], AV=40[dB]
Total Harmonic Distortion
THD
25℃
0.03
%
VOUT=0.8[Vp-p], f=1[kHz]
(*11) Absolute value
(*12) Full range BU7481: Ta=-40[℃]~+85[℃]
BU7481S: Ta=-40[℃]~+105[℃]
(*13) 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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