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부품번호 | BU7261SG 기능 |
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기능 | Low Voltage Operating CMOS Operational Amplifiers | ||
제조업체 | ROHM Semiconductor | ||
로고 | |||
전체 30 페이지수
Datasheet
Operational Amplifiers
Input/Output Full Swing
Low Voltage Operating
CMOS Operational Amplifiers
BU7261G BU7261SG BU7262xxx BU7262Sxxx BU7264xx BU7264Sxx
General Description
BU7261G,BU7262xxx,BU7264xx are CMOS operational
amplifier of the input/output full swing low voltage
operation. Also, BU7261SG,BU7262Sxxx,BU7264Sxx
which expanded the operating temperature range perform
a lineup. It is most suitable for a sensor amplifier and a
battery-powered equipment to have a high slew rate, the
characteristic of the low input bias current.
Features
Operable with Low Voltage
Input-Output Full Swing
High Slew Rate
Wide Temperature Range
Low Input Bias Current
Applications
Sensor Amplifier
Battery-powered Equipment
Portable Equipment
Consumer Equipment
Key Specifications
Operating Supply Voltage Range(Single Supply):
+1.8V to +5.5V
Operating Temperature Range:
BU7261G, BU7262xxx, BU7264xx:
-40°C to +85°C
BU7261SG, BU7262Sxxx, BU7264Sxx:
-40°C to +105°C
Slew Rate:
1.1 V/µs(Typ)
Input Offset Current:
1pA (Typ)
Input Bias Current:
1pA (Typ)
Packages
SSOP5
SOP8
MSOP8
VSON008X2030
SOP14
SSOP-B14
W(Typ) x D(Typ) x H(Max)
2.90mm x 2.80mm x 1.25mm
5.00mm x 6.20mm x 1.71mm
2.90mm x 4.00mm x 0.90mm
2.00mm x 3.00mm x 0.60mm
8.70mm x 6.20mm x 1.71mm
5.00mm x 6.40mm x 1.35mm
Simplified Schematic
VDD
Vbias
IN+
Class
AB control
OUT
IN-
VSS
Vbias
Figure 1. Simplified Schematic (1 channel only)
○Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays.
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© 2013 ROHM Co., Ltd. All rights reserved.
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BU7261G BU7261SG BU7262xxx BU7262Sxxx BU7264xx BU7264Sxx Datasheet
Absolute Maximum Ratings (TA=25℃)
○BU7261G, BU7262xxx, BU7264xx
Parameter
Symbol
BU7261G
Rating
BU7262xxx
BU7264xx
Unit
Supply Voltage
VDD-VSS
+7 V
SSOP5
0.54(Note 1,7)
-
-
SOP8
- 0.55(Note 2,7) -
MSOP8
- 0.47(Note 3,7) -
Power Dissipation
PD VSON008X2030
-
0.41(Note 4,7)
-
W
SOP14
-
- 0.45(Note 5,7)
SSOP-B14
0.70(Note 6,7)
Differential Input
Voltage (Note 8)
Input Common-mode
Voltage Range
Input Current (Note 9)
Operating Supply
Voltage
VID
VICM
II
Vopr
VDD - VSS
(VSS - 0.3) to (VDD + 0.3)
±10
+1.8 to +5.5
V
V
mA
V
Operating Temperature
Topr
-40 to +85
°C
Storage Temperature
Maximum Junction
Temperature
Tstg
TJmax
-55 to +125
+125
°C
°C
(Note 1) To use at temperature above TA=25C reduce 5.4mW/°C.
(Note 2) To use at temperature above TA=25C reduce 5.5mW/°C.
(Note 3)
(Note 4)
(Note 5)
(Note 6)
(Note 7)
To use at temperature above TA=25C reduce 4.7mW/°C.
To use at temperature above TA=25C reduce 4.1mW/°C.
To use at temperature above TA=25C reduce 4.5mW/°C.
To use at temperature above TA=25C reduce 7.0mW/°C.
Mounted on a FR4 glass epoxy PCB 70mm×70mm×1.6mm (Copper foil area less than 3%).
(Note 8) The voltage difference between inverting input and non-inverting input is the differential input voltage.
Then input pin voltage is set to more than VSS.
(Note 9) An excessive input current will flow when input voltages of more than VDD+0.6V or less than VSS-0.6V are applied.
The input current can be set to less than the rated current by adding a limiting resistor.
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open
circuit between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case
the IC is operated over the absolute maximum ratings.
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© 2013 ROHM Co., Ltd. All rights reserved.
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4페이지 BU7261G BU7261SG BU7262xxx BU7262Sxxx BU7264xx BU7264Sxx Datasheet
Electrical Characteristics - continued
○BU7262xxx, BU7262Sxxx (Unless otherwise specified VDD=+3V, VSS=0V, TA=25℃)
Parameter
Symbol
Temperature
Range
Min
Limit
Typ
Max
Input Offset Voltage (Note 22, 23)
VIO
25℃
Full range
-
-
19
- 10
Input Offset Current (Note 22)
IIO 25℃
-1
-
Input Bias Current (Note 22)
Supply Current (Note 23)
IB 25℃
25℃
IDD Full range
-
-
-
1-
550 1100
- 1200
Maximum Output Voltage(High)
VOH 25℃ VDD-0.1 -
-
Unit Conditions
mV VDD=1.8 to 5.5V
pA -
pA -
μA
RL=∞, All Op-Amps
AV=0dB, IN+=1.5V
V RL=10kΩ
Maximum Output Voltage(Low) VOL 25℃ - - VSS+0.1 V RL=10kΩ
Large Signal Voltage Gain
AV 25℃
70 95
- dB RL=10kΩ
Input Common-mode Voltage Range VICM
25℃
0-
3 V VSS - VDD
Common-mode Rejection Ratio
CMRR
25℃
45 60
- dB
-
Power Supply Rejection Ratio
Output Source Current (Note 24)
Output Sink Current (Note 24)
PSRR
ISOURCE
ISINK
25℃
25℃
25℃
60 80
4 10
5 12
- dB
-
- mA OUT=VDD-0.4V
- mA OUT=VSS+0.4V
Slew Rate
SR 25℃
- 1.1
- V/μs CL=25pF
Gain Bandwidth
GBW
25℃
-2
- MHz CL=25pF, AV=40dB
Phase Margin
Total Harmonic Distortion + Noise
θ
THD+N
25℃
25℃
- 50 - deg CL=25pF, AV=40dB
-
0.05
-
%
OUT=0.8VP-P,
f=1kHz
Channel Separation
CS 25℃
- 100 - dB AV=40dB, OUT=1Vrms
(Note 22)
(Note 23)
(Note 24)
Absolute value
Full range: BU7262: TA=-40℃ to +85℃ BU7262S: TA=-40℃ to +105℃
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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© 2013 ROHM Co., Ltd. All rights reserved.
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