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PDF BU7294F Data sheet ( Hoja de datos )

Número de pieza BU7294F
Descripción low supply voltage CMOS operational single/quad
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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 structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays.
www.rohm.com
©2013 ROHM Co., Ltd. All rights reserved.
TSZ22111･14･001
1/27
TSZ02201-0RAR1G200390-1-2
22.May.2013 Rev.001
http://www.Datasheet4U.com

1 page




BU7294F pdf
BU7291G, BU7291SG, BU7294xx, BU7294Sxx
Datasheet
○BU7294, BU7294S (Unless otherwise specified VDD=+3V, VSS=0V, Ta=25C)
Parameter
Symbol
Temperature
Range
Min.
Limits
Typ.
Max.
Input Offset Voltage *10
Vio 25C
-
1
9
Input Offset Current*10
Iio 25C
-
1
-
Input Bias Current *10
Ib 25C
-
1
Supply Current*11
25C
IDD
Full range
-
-
2000
-
Maximum Output Voltage(High) VOH 25C VDD-0.1 -
-
3200
4400
-
Unit Condition
mV -
pA -
pA -
μA
RL=∞, All Op-Amps
Av=0dB, +IN=1.5V
V RL=10kΩ
Maximum Output Voltage(Low) VOL 25C
-
- VSS+0.1 V RL=10kΩ
Large Signal Voltage Gain
Av 25C 70 105 - dB RL=10kΩ
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 *12
Output Sink Current *12
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
Channel Separation
CS 25C - 100 - dB f=1kHz, OUT=0.5Vrms
*10 Absolute value
*11 Full range BU7294: Ta=-40C to +85C BU7294S: Ta=-40C to +105C
*12 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.
TSZ22111･15･001
5/27
TSZ02201-0RAR1G200390-1-2
22.May.2013 Rev.001
http://www.Datasheet4U.com

5 Page





BU7294F arduino
BU7291G, BU7291SG, BU7294xx, BU7294Sxx
●Typical Performance Curves - Continued
○BU7291, BU7291S
Datasheet
160
140
120
100
5.5V
2.4V
3.0V
80
60
-50
-25 0 25 50 75 100 125
AMBIENT TEMPERATURE [°C]
Figure 18.
Large Signal Voltage Gain – Ambient Temperature
120
100
80
85C
105C
60
-40C
25C
40
20
0
2 3 45 6
SUPPLY VOLTAGE [V]
Figure 19.
Common Mode Rejection Ratio – Supply Voltage
120
100
80
5.5V
60
2.4V
40
3.0V
20
0
-50
-25 0 25 50 75 100 125
AMBIENT TEMPERATURE [°C]
Figure 20.
Common Mode Rejection Ratio – Ambient Temperature
140
120
100
80
60
40
20
0
-50
-25 0 25 50 75 100 125
AMBIENT TEMPERATURE [°C]
Figure 21.
Power Supply Rejection Ratio – 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.
TSZ22111･15･001
11/27
TSZ02201-0RAR1G200390-1-2
22.May.2013 Rev.001
http://www.Datasheet4U.com

11 Page







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