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기능 CMOS Operational Amplifiers
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BU7461G 데이터시트, 핀배열, 회로
Datasheet
Operational Amplifiers
Ground Sense Low Voltage Operation
CMOS Operational Amplifiers
BU7461G BU7461SG BU7462xxx BU7462Sxxx BU7464F BU7464SF
General Description
BU7461G/BU7462xxx/BU7464F are input ground
sense, output full swing CMOS operational amplifiers.
BU7461SG/BU7462Sxxx/BU7464SF have an expanded
operating temperature range. They have the features of
low operating supply voltage, low supply current and low
input bias current. These are suitable for portable
equipment and sensor amplifiers.
Features
Low Supply Current
Low Operating Supply Voltage
Wide Temperature Range
Low Input Bias Current
Applications
Sensor Amplifier
Portable Equipment
Consumer Equipment
Key Specifications
Operating Supply Voltage:
+1.7V to +5.5V
Supply Current:
150µA/ch(Typ)
Temperature Range:
BU7461G/BU7462xxx/BU7464F
-40°C to +85°C
BU7461SG/BU7462Sxxx/BU7464SF
-40°C to +105°C
Input Offset Current:
1pA (Typ)
Input Bias Current:
1pA (Typ)
Packages
SSOP5
SOP8
MSOP8
VSON008X2030
SOP14
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
Simplified Schematic
VDD
IN+
IN-
Vbias
Class
AB control
OUT
VSS
Vbias
Figure 1. Simplified Schematic (1 channel only)
Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
1/40
TSZ02201-0RAR1G200150-1-2
13.Feb.2015 Rev003




BU7461G pdf, 반도체, 판매, 대치품
BU7461G BU7461SG BU7462xxx BU7462Sxxx BU7464F BU7464SF Datasheet
Absolute Maximum Ratings(TA=25°C)
Parameter
Symbol
BU7461G
Rating
BU7462xxx
BU7464F
Unit
Supply Voltage
Power Dissipation
Differential Input Voltage(Note 7)
VDD-VSS
SSOP5
SOP8
PD MSOP8
VSON008X2030
SOP14
VID
0.54 (Note1,6)
-
-
-
-
+7
-
0.55 (Note2,6)
0.47 (Note3,6)
0.41 (Note4,6)
-
VDD - VSS
-
-
-
-
0.45 (Note5,6)
V
W
V
Input Common-mode
Voltage Range
VICM
(VSS-0.3) to (VDD+0.3)
V
Input Current(Note 8)
II
±10 mA
Operating Supply Voltage
Vopr
+1.7V to +5.5V
V
Operating Temperature
Topr
-40 to +85
°C
Storage Temperature
Tstg
-55 to +125
°C
Maximum Junction Temperature
TJmax
+125
°C
(Note 1) To use at temperature above TA=25C reduce 5.4mW/C.
(Note 2)
(Note 3)
(Note 4)
(Note 5)
(Note 6)
To use at temperature above TA=25C reduce 5.5mW/C.
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.
Mounted on a FR4 glass epoxy PCB 70mm×70mm×1.6mm (Copper foil area less than 3%).
(Note 7) The voltage difference between inverting input and non-inverting input is the differential input voltage.
Then input terminal voltage is set to more than VSS.
(Note 8) 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. In addition, it is impossible to predict all destructive situations such as
short-circuit modes, open circuit modes, etc. Therefore, it is important to consider circuit protection measures, like adding a fuse, in case the IC is
operated in a special mode exceeding the absolute maximum ratings.
Parameter
Symbol
BU7461SG
Rating
BU7462Sxxx
BU7464SF
Unit
Supply Voltage
Power Dissipation
Differential Input Voltage(Note 15)
VDD-VSS
SSOP5
SOP8
PD MSOP8
VSON008X2030
SOP14
VID
0.54 (Note9,14)
-
-
-
-
+7
-
0.55 (Note10,14)
0.47 (Note11,14)
0.41 (Note12,14)
-
VDD - VSS
-
-
-
-
0.45 (Note13,14)
V
W
V
Input Common-mode
Voltage Range
VICM
(VSS-0.3) to (VDD+0.3)
V
Input Current(Note 16)
II
±10 mA
Operating Supply Voltage
Vopr
+1.7V to +5.5V
V
Operating Temperature
Topr
-40 to +105
°C
Storage Temperature
Tstg
-55 to +125
°C
Maximum Junction Temperature
TJmax
+125
°C
(Note 9) To use at temperature above TA=25C reduce 5.4mW/C.
(Note 10) To use at temperature above TA=25C reduce 5.5mW/C.
(Note 11) To use at temperature above TA=25C reduce 4.7mW/C.
(Note 12) To use at temperature above TA=25C reduce 4.1mW/C.
(Note 13) To use at temperature above TA=25C reduce 4.5mW/C.
(Note 14) Mounted on a FR4 glass epoxy PCB 70mm×70mm×1.6mm (Copper foil area less than 3%).
(Note 15) The voltage difference between inverting input and non-inverting input is the differential input voltage.
Then input terminal voltage is set to more than VSS.
(Note 16) 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. In addition, it is impossible to predict all destructive situations such as
short-circuit modes, open circuit modes, etc. Therefore, it is important to consider circuit protection measures, like adding a fuse, in case the IC is
operated in a special mode exceeding the absolute maximum ratings.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/40
TSZ02201-0RAR1G200150-1-2
13.Feb.2015 Rev003

4페이지










BU7461G 전자부품, 판매, 대치품
BU7461G BU7461SG BU7462xxx BU7462Sxxx BU7464F BU7464SF Datasheet
Electrical Characteristics - continued
BU7464F, BU7464SFUnless otherwise specified VDD=+3V, VSS=0V, TA=25°C)
Parameter
Symbol
Temperature
Range
Min
Limit
Typ
Max
Input Offset Voltage (Note 23)
VIO 25°C - 1 6
Unit
mV
Conditions
-
Input Offset Current (Note 23)
IIO 25°C - 1 - pA
-
Input Bias Current (Note 23)
IB 25°C - 1
Supply Current (Note 24)
25°C
IDD Full range
-
-
600
-
Maximum Output Voltage(High) VOH
25°C VDD-0.1 -
-
1400
1800
-
pA -
μA
RL=, All Op-Amps
AV=0dB, IN+ =0.9V
V RL=10kΩ
Maximum Output Voltage(Low) VOL
25°C
-
- VSS+0.1 V RL=10kΩ
Large Signal Voltage Gain
Input Common-mode
Voltage Range
Common-mode
Rejection Ratio
Power Supply
Rejection Ratio
Output Source Current (Note 25)
Output Sink Current (Note 25)
AV
VICM
CMRR
PSRR
ISOURCE
ISINK
25°C
25°C
25°C
25°C
25°C
25°C
70 95
- dB RL=10kΩ
0 - 1.8 V VSS to VDD-1.2V
45 60
- dB
-
60 80
- dB
-
4 8 - mA VDD-0.4V
6 12 - mA VSS+0.4V
Slew Rate
SR 25°C - 1 - V/μs CL=25pF
Gain Bandwidth
GBW
25°C
-
1
- MHz CL=25pF, AV=40dB
Phase Margin
Total Harmonic Distortion +
Noise
θ 25°C
THD+N 25°C
- 50 - deg CL=25pF, AV=40dB
- 0.05 -
%
OUT=0.8VP-P
f=1kHz
Channel Separation
CS 25°C
- 100 - dB AV=40dB, OUT=1Vrms
(Note 23)
(Note 24)
(Note 25)
Absolute value
Full range: BU7464F: TA=-40°C to +85°C, BU7464SF: TA=-40°C to +105°C
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.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/40
TSZ02201-0RAR1G200150-1-2
13.Feb.2015 Rev003

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