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PDF BU7487FV Data sheet ( Hoja de datos )
| Número de pieza | BU7487FV | |
| Descripción | High Speed Low Voltage CMOS Operational Amplifiers | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Operational Amplifiers Series
Ground Sense
High Speed Low Voltage CMOS Operational
Amplifiers
BU7485G BU7485SG BU7486xxx BU7486Sxxx BU7487xx BU7487Sxx
General Description
BU7485G/BU7486xxx/BU7487xx are CMOS operational
amplifiers with input ground sense and full swing output.
This series has extended operational amplifiers
BU7485SG/BU7486Sxxx/BU7487Sxx which can operate
over a wider temperature range (-40°C to +105°C).
These ICs have wide band, high slew rate, low voltage
operation and low input bias current, making the
operational amplifiers suitable for portable equipment
and sensor application.
Features
High Slew Rate
Wide Bandwidth
Low Input Bias Current
Output Full Swing
Application
Battery-powered Equipment
General Purpose Electronics
Key Specifications
Operating Power Supply Voltage Range
(Single Supply):
+3.0V to +5.5V
Slew Rate:
i10.0V/µs
Temperature Range:
BU7485G
-40°C to +85°C
BU7486xxx
-40°C to +85°C
BU7487xx
-40°C to +85°C
BU7485S
-40°C to +105°C
BU7486Sxxx
-40°C to +105°C
BU7487Sxx
-40°C to +105°C
Input Bias Current:
1pA (Typ)
Input Offset Current:
1pA (Typ)
Package
SSOP5
SOP8
SSOP-B8
MSOP8
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
3.00mm x 6.40mm x 1.35mm
2.90mm x 4.00mm x 0.90mm
8.70mm x 6.20mm x 1.71mm
5.00mm x 6.40mm x 1.35mm
Simplified schematic
VDD
Vbias
Class
+IN
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.
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BU7485G BU7485SG BU7486xxx BU7486Sxxx BU7487xx BU7487Sxx Datasheet
○BU7486xxx, BU7486Sxxx（Unless otherwise specified VDD=+3V, VSS=0V, Ta=25C）
Parameter
Symbol
Temperature
Range
Min
Limits
Typ
Unit
Max
Input Offset Voltage *13
Vio 25C
-
1 9.5 mV
Condition
-
Input Offset Current *13
Iio 25C
-
1
- pA
-
Input Bias Current *13
Supply Current *14
Maximum Output Voltage
(High)
Maximum Output Voltage
(Low)
Large Signal Voltage Gain
Input Common-mode
Voltage Range
Common-mode Rejection
Ratio
Power Supply Rejection
Ratio
Output Source Current *15
Ib
IDD
VOH
25C
-
25C
Full range
-
-
25C VDD-0.1
VOL
25C
-
Av 25C 70
Vicm
25C
0
CMRR
25C
45
PSRR
25C
60
Isource 25C
4
1
3000
-
-
-
105
-
60
80
8
-
4000
4500
-
VSS+0.1
-
pA -
μA
RL=∞, All Op-Amps
Av=0dB, IN=0.8V
V RL=10kΩ
V RL=10kΩ
dB RL=10kΩ
1.6 V VSS to VDD-1.4V
- dB
-
- dB
-
- mA VDD-0.4V
Output Sink Current *15
Isink
25C
7
12
- mA VSS+0.4V
Slew Rate
SR 25C
-
10
- V/μs CL=25pF
Unity Gain Frequency
fT 25C
-
10
- MHz CL=25pF, Av=40dB
Phase Margin
θ 25C
-
50
- deg CL=25pF, Av=40dB
Total Harmonic Distortion
+Noise
THD+N
25C
- 0.03 - % OUT=0.7VP-P, f=1kHz
Channel Separation
CS 25C - 100 - dB Av=40dB
*13 Absolute value
*14 Full range BU7486xxx: Ta=-40C to +85C BU7486Sxxx: Ta=-40C to +105C
*15 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.
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© 2013 ROHM Co., Ltd. All rights reserved.
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BU7485G BU7485SG BU7486xxx BU7486Sxxx BU7487xx BU7487Sxx Datasheet
Typical Performance Curves - Continued
○BU7485G, BU7485SG
10.0
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
-10.0
2
85C
105C
25C
-40C
34 5
SUPPLY VOLTAGE [V]
Figure 14.
Input Offset Voltage – Supply Voltage
(Vicm=VDD-1.4V, OUT=1.5V)
6
10.0
7.5
5.0
2.5
0.0
-2.5
5.5V
3.0V
4.0V
-5.0
-7.5
-10.0
-50 -25 0 25 50 75 100 125
AMBIENT TEMPERATURE [°C]
Figure 15.
Input Offset Voltage – Ambient Temperature
(Vicm=VDD-1.4V, OUT=1.5V)
15
10
5
85C
105C
0
25C
-5 -40C
-10
-15
-1
01 2
COMMON MODE INPUT VOLTAGE [V]
Figure 16.
Input Offset Voltage – Common Mode
Input Voltage
(VDD=3V)
3
140
120
100
-40C
80
105C
25C
85C
60
40
20
0
2 3 45 6
SUPPLY VOLTAGE [V]
Figure 17.
Large Signal Voltage Gain – Supply Voltage
(*)The above characteristics are measurements of typical sample, they are not guaranteed.
BU7485G: -40C to +85C BU7485SG: -40C to +105C
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
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| PDF Descargar | [ Datasheet BU7487FV.PDF ] | |
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