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PDF BU7242F Data sheet ( Hoja de datos )
| Número de pieza | BU7242F | |
| Descripción | Input/Output Full Swing Low Supply Current CMOS Operational Amplifiers | |
| Fabricantes | ROHM Semiconductor | |
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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 structure：Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
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BU7241G BU7241SG BU7242xxx BU7242Sxxx BU7244xx BU7244Sxx Datasheet
Absolute Maximum Ratings (TA=25℃) - continued
Parameter
Symbol
BU7241SG
Rating
BU7242Sxxx
BU7244Sxx
Unit
Supply Voltage
VDD-VSS
+7 V
SSOP5
0.54(Note 10,16)
-
-
SOP8
- 0.55(Note 11,16) -
Power Dissipation
MSOP8
PD VSON008X2030
-
-
0.47(Note 12,16)
0.41(Note 13,16)
-
-
W
SOP14
-
- 0.45(Note 14,16)
SSOP-B14
0.70(Note 15,16)
Differential Input
Voltage (Note 17)
Input Common-mode
Voltage
Input Current (Note 18)
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 +105
°C
Storage Temperature Range
Maximum Junction
Temperature
Tstg
TJmax
-55 to +125
+125
°C
°C
(Note 10)
(Note 11)
(Note 12)
(Note 13)
(Note 14)
(Note 15)
(Note 16)
(Note 17)
(Note 18)
Caution:
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%).
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.
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.
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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BU7241G BU7241SG BU7242xxx BU7242Sxxx BU7244xx BU7244Sxx Datasheet
Typical Performance Curves
○BU7241G, BU7241SG
0.8
0.8
0.6
BU7241G
0.4
0.6
BU7241SG
0.4
0.2 0.2
0.0
0
85
25 50 75 100
Ambient Temperature [°C]
0.0
125 0
Figure 2.
Power Dissipation vs Ambient Temperature
(Derating Curve)
105
25 50 75 100
Ambient Temperature [°C]
125
Figure 3.
Power Dissipation vs Ambient Temperature
(Derating Curve)
250
200
150
100
85°C
105°C
25°C
50
0
1
-40°C
2345
Supply Voltage [V]
Figure 4.
Supply Current vs Supply Voltage
250
200
150
100
50
5.5V
3.0V
1.8V
0
6 -50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Figure 5.
Supply Current vs Ambient Temperature
(*)The above characteristics are measurements of typical sample, they are not guaranteed.
BU7241G: -40℃ to +85℃ BU7241SG: -40℃ to +105℃
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BU7242F.PDF ] | |
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