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BU7291G 데이터시트 PDF




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부품번호 BU7291G 기능
기능 low supply voltage CMOS operational single/quad
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BU7291G 데이터시트, 핀배열, 회로
Datasheet
Operational Amplifiers Series
Input/Output Full Swing
High Slew Rate
Low Voltage CMOS Operational Amplifiers
BU7291G, BU7291SG, BU7294xx, BU7294Sxx
General Description
BU7291G/BU7294xx and BU7291SG/BU7294Sxx
are low supply voltage CMOS operational single/quad
Amplifiers. This series is a Input/Output full swing, high
slew rate, low supply current and high speed operation.
Input bias current is very low at 1pA (Typ) .
Especially,BU7291SG and BU7294Sxx, it has wide
temperature range from -40C to +105C.
Features
High slew rate
Input/Output full swing
Large DC voltage gain
Low input bias current
Application
Battery equipment
Consumer electronics
Simplified schematic
Key Specifications
Low Operating Supply Voltage (single supply):
High Slew Rate:
Wide Temperature Range:
+2.4V to +5.5V
3.0V/µs
BU7291G/BU7294xx
-40C to +85C
BU7291SG/BU7294Sxx
Low Input Offset Current:
Low Input Bias Current:
-40C to +105C
1pA (Typ)
1pA (Typ)
Package
SSOP5
SOP14
SSOP-B14
W(Typ) x D(Typ) x H(Max)
2.90mm x 2.80mm x 1.25mm
8.70mm x 6.20mm x 1.71mm
5.00mm x 6.40mm x 1.35mm
VDD
Vbias
+IN
Class
AB control
OUT
-IN
VSS
Vbias
Figure 1. Simplified schematic (1 channel only)
Product structureSilicon monolithic integrated circuit This product is not designed protection against radioactive rays.
www.rohm.com
©2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/27
TSZ02201-0RAR1G200390-1-2
22.May.2013 Rev.001
http://www.Datasheet4U.com




BU7291G pdf, 반도체, 판매, 대치품
BU7291G, BU7291SG, BU7294xx, BU7294Sxx
Datasheet
Electrical Characteristics
BU7291, BU7291S (Unless otherwise specified VDD=+3V, VSS=0V, Ta=25C)
Parameter
Symbol
Temperature
Range
Min.
Limits
Typ.
Max.
Input Offset Voltage *7
Vio 25C
-
1
9
Input Offset Current*7
Iio 25C
-
1
-
Input Bias Current *7
Supply Current*8
Maximum Output Voltage(High)
Ib 25C
-
25C
IDD
Full range
-
-
VOH 25C VDD-0.1
1
470
-
-
-
800
1100
-
Unit Condition
mV -
pA -
pA -
μA
RL=
Av=0dB, +IN=1.5V
V RL=10k
Maximum Output Voltage(Low) VOL 25C
-
- VSS+0.1 V RL=10k
Large Signal Voltage Gain
Av 25C 70 105 - dB RL=10k
Input Common-mode
Voltage Range
Vicm 25C
0
-
3 V VSS to VDD
Common-mode Rejection Ratio CMRR 25C
40
60
- dB
-
Power Supply Rejection Ratio
Output Source Current *9
Output Sink Current *9
PSRR
Isource
Isink
25C
25C
25C
45
5
9
80
8
16
- dB
-
- mA VDD-0.4V
- mA VSS+0.4V
Slew Rate
SR 25C - 3.0 - V/μs CL=25pF
Gain Band Width
GBW 25C - 2.8 - MHz CL=25pF, f=100kHz
Unity Gain Frequency
fT 25C - 2.8 - MHz CL=25pF
Phase Margin
θ 25C
-
50
- deg CL=25pF
Total Harmonic Distortion
+Noise
THD+N 25C - 0.03 -
% OUT=0.8VP-P, f=1kHz
*7 Absolute value
*8 Full range BU7291: Ta=-40C to +85C BU7291S: Ta=-40C to +105C
*9 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
4/27
TSZ02201-0RAR1G200390-1-2
22.May.2013 Rev.001
http://www.Datasheet4U.com

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BU7291G 전자부품, 판매, 대치품
BU7291G, BU7291SG, BU7294xx, BU7294Sxx
Typical Performance Curves
BU7291, BU7291S
800.80 800.80
Datasheet
600.60 600.60
BU7291G
400.40 400.40
BU7291SG
200.20 200.20
0 85
0 25 50 75 100
AMBIENT TEMPERATURE [°C]
Figure 2.
Derating curve
0 105
0 25 50 75 100 125
AMBIENT TEMPERATURE [°C]
Figure 3.
Derating curve
1200
1000
800
600
85C
105C
400
200
25C
-40C
0
2 3 45
SUPPLY VOLTAGE [V]
Figure 4.
Supply Current – Supply Voltage
6
1200
1000
800
600
400
200
5.5V
2.4V
3.0V
0
-50
-25 0 25 50 75 100 125
AMBIENT TEMPERATURE [°C]
Figure 5.
Supply Current – Ambient Temperature
(*)The data above is measurement value of typical sample, it is not guaranteed.
BU7291G: -40C to +85C BU7291SG: -40C to +105C
www.rohm.com
©2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/27
TSZ02201-0RAR1G200390-1-2
22.May.2013 Rev.001
http://www.Datasheet4U.com

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부품번호상세설명 및 기능제조사
BU7291G

low supply voltage CMOS operational single/quad

ROHM Semiconductor
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