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BU7242SF 데이터시트 PDF




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부품번호 BU7242SF 기능
기능 Input/Output Full Swing Low Supply Current CMOS Operational Amplifiers
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BU7242SF 데이터시트, 핀배열, 회로
Datasheet
Operational Amplifiers
Input/Output Full Swing
Low Supply Current
CMOS Operational Amplifiers
BU7241G BU7241SG BU7242xxx BU7242Sxxx BU7244xx BU7244Sxx
General Description
BU7241G, BU7242xxx, BU7244xx are CMOS
operational amplifier of the input/output full
swing low voltage operation. Also, BU7241SG,
BU7242Sxxx, BU7244Sxx 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 low input
bias current, the characteristic of the low supply
current.
Features
Operable with Low Voltage
Operable Input-Output Full Swing
Wide Temperature Range
Low Supply Current
Low Input Bias Current
Applications
Sensor Amplifier
Battery Powered Equipment
Portable Equipment
Consumer Equipment
Key Specifications
Operating Supply Voltage Range:
+1.8V to +5.5V
Operating Temperature Range:
BU7241G, BU7242xxx, BU7244xx
-40°C to +85°C
BU7241SG, BU7242Sxxx, BU7244Sxx
-40°C to +105°C
Supply Current:
BU7241, BU7241S
70µA (Typ)
BU7242, BU7242S
180µA (Typ)
BU7244, BU7244S
360µA (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 (1ch 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.
TSZ2211114001
1/44
TSZ02201-0RAR0G200240-1-2
03.Dec.2014 Rev.003




BU7242SF pdf, 반도체, 판매, 대치품
BU7241G BU7241SG BU7242xxx BU7242Sxxx BU7244xx BU7244Sxx Datasheet
Absolute Maximum Ratings (TA=25)
Parameter
Symbol
BU7241G
Rating
BU7242xxx
BU7244xx
Unit
Supply Voltage
VDD-VSS
+7 V
SSOP5
0.54(Note 1,7)
-
-
SOP8
- 0.55(Note 2,7) -
Power Dissipation
MSOP8
- 0.47(Note 3,7) -
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
Input Current (Note 9)
Operating Supply
Voltage Range
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 Range
Topr
-40 to +85
°C
Storage Temperature Range
Maximum Junction
Temperature
Tstg
TJmax
-55 to +125
+125
°C
°C
(Note 1)
(Note 2)
(Note 3)
(Note 4)
(Note 5)
(Note 6)
(Note 7)
To use at temperature above TA=25C reduce 5.4mW/°C.
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.
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.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/44
TSZ02201-0RAR0G200240-1-2
03.Dec.2014 Rev.003

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BU7242SF 전자부품, 판매, 대치품
BU7241G BU7241SG BU7242xxx BU7242Sxxx BU7244xx BU7244Sxx Datasheet
Electrical Characteristics - continued
BU7242 (Unless otherwise specified VDD=+3V, VSS=0V, TA=25)
Parameter
Symbol
Temperature
Range
Min
Input Offset Voltage (Note 22, 23)
VIO
25
Full range
-
-
Input Offset Current (Note 22)
IIO 25
-
Input Bias Current (Note 22)
Supply Current (Note 23)
IB 25
25
IDD Full range
-
-
-
Maximum Output Voltage(High)
VOH 25VDD-0.1
Limit
Typ
1
1
1
180
-
-
Unit
Max
Conditions
9
10
mV
VDD=1.8 to 5.5V
OUT=VDD/2
- pA
-
- pA
-
360
600
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 to 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
- 0.4
- V/μs CL=25pF
Gain Bandwidth
GBW
25
- 0.9
- 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=0.8 VP-P,
f=1kHz
Channel Separation
CS 25
- 100 - dB AV=40dB, OUT=1Vrms
(Note 22)
(Note 23)
(Note 24)
Absolute value
Full range: BU7242: TA=-40to +85BU7242S: TA=-40to +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.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/44
TSZ02201-0RAR0G200240-1-2
03.Dec.2014 Rev.003

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