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SGM8581 PDF Datasheet - Single Rail-to-Rail I/O Precision Operational Amplifier - Shengbang Microelectronics

Part Number SGM8581
Description Single Rail-to-Rail I/O Precision Operational Amplifier
Manufacturers Shengbang Microelectronics 
Logo Shengbang Microelectronics Logo 
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SGM8581 datasheet, circuit
SGM8581
Single-Supply, Single Rail-to-Rail I/O
Precision Operational Amplifier
PRODUCT DESCRIPTION
The SGM8581 is a single rail-to-rail input and output
precision operational amplifier which has low input offset
voltage, and bias current. It is guaranteed to operate from
2.5V to 5.5V single supply.
The rail-to-rail input and output swings provided by the
SGM8581 make both high-side and low-side sensing
easy. The combination of characteristics makes the
SGM8581 good choices for temperature, position and
pressure sensors, medical equipment and strain gauge
amplifiers, or any other 2.5V to 5.5V application requiring
precision and long term stability.
The SGM8581 is specified for the extended industrial/
automotive (-40to +125℃) temperature range. The
SGM8581 is available in the Green SOT-23-5, SOIC-8
and MSOP-8 packages.
FEATURES
Low Offset Voltage: 25μV (TYP)
Rail-to-Rail Input and Output Swing
2.5V to 5.5V Single Supply Operation
Voltage Gain: 145dB (TYP) at +5V
PSRR: 120dB (TYP)
CMRR: 90dB (TYP)
Ultra Low Input Bias Current: 15pA
Low Supply Current: 445μA at +5V
Overload Recovery Time: 70μs (at VS = +5V)
No External Capacitors Required
-40to +125Operating Temperature Range
Available in Green SOT-23-5, SOIC-8
and MSOP-8 Packages
PIN CONFIGURATIONS (TOP VIEW)
SGM8581
APPLICATIONS
Temperature Measurements
Pressure Sensors
Precision Current Sensing
Electronic Scales
Strain Gauge Amplifiers
Medical Instrumentation
Thermocouple Amplifiers
Handheld Test Equipment
OUT 1
-VS 2
5 +VS
+IN 3
4 -IN
SOT-23-5
SGM8581
N.C. 1
8 N.C.
-INA 2
+INA 3
7 +VS
6 OUTA
-VS 4
N.C. = NO CONNECT
SOIC-8/MSOP-8
5 N.C.
SG Micro Corp
www.sg-micro.com
REV. A. 3

1 page
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SGM8581 pdf, schematic
SGM8581
Single-Supply, Single Rail-to-Rail I/O
Precision Operational Amplifier
PACKAGE/ORDERING INFORMATION
MODEL
ORDER NUMBER
PACKAGE
DESCRIPTION
SGM8581
SGM8581XN5G/TR
SGM8581XS8G/TR
SGM8581XMS8G/TR
SOT-23-5
SOIC-8
MSOP-8
NOTE: Order number and package marking are defined as the follow:
PACKAGE OPTION
Tape and Reel, 3000
Tape and Reel, 2500
Tape and Reel, 3000
MARKING
INFORMATION
S0BXX
SGM8581XS8
SGM8581XMS8
ORDER NUMBER
SGM8581 X X G / TR
Tape and Reel
Green Product
Package Type
N5
S8
MS8
SOT-23-5
SOIC-8
MSOP-8
Operating Temperature Range
X -40to +125
MARKING INFORMATION
S0B X X
Date code - month ("A" = Jan. "B" = Feb. "L" = Dec.)
Date code - year ("9" = 2009, "A" = 2010 )
For example: S0B9A (2009, January)
ABSOLUTE MAXIMUM RATINGS
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . -VS to (+VS) + 0.1V
Differential Input Voltage. . . . . . . . . . . . . . . . . . . . . . -5V to 5V
Storage Temperature Range . . . . . . . . . . . . . -65to +150
Junction Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Operating Temperature Range. . . . . . . . . . . . -40to +125
Lead Temperature (Soldering 10sec)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260
ESD Susceptibility
HBM (SOT-23-5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6000V
HBM (SOIC-8). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7000V
HBM (MSOP-8). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6000V
MM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400V
CAUTION
This integrated circuit can be damaged by ESD if you don’t pay
attention to ESD protection. SGMICRO recommends that all
integrated circuits be handled with appropriate precautions.
Failure to observe proper handling and installation procedures
can cause damage. ESD damage can range from subtle
performance degradation to complete device failure. Precision
integrated circuits may be more susceptible to damage because
very small parametric changes could cause the device not to
meet its published specifications.
SGMICRO reserves the right to make any change in circuit
design, specification or other related things if necessary without
notice at any time. Please contact SGMICRO sales office to get
the latest datasheet.
NOTE:
Stresses beyond those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device. These
are stress ratings only, and functional operation of the device
at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied.
Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
SG Micro Corp
www.sg-micro.com
2

2 Page
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SGM8581 equivalent
SGM8581
Single-Supply, Single Rail-to-Rail I/O
Precision Operational Amplifier
TYPICAL PERFORMANCE CHARACTERISTICS
Large Signal Transient Response at +5V
Large Signal Transient Response at +2.5V
CL = 300pF
RL = 2k
AV = +1
Time (5µs/div)
Small Signal Transient Response at +5V
CL = 50pF
RL =
AV = +1
CL = 300pF
RL = 2k
AV = +1
Time (2µs/div)
Small Signal Transient Response at +2.5V
CL = 50pF
RL =
AV = +1
Time (5µs/div)
60
50
40
30
20
10
0
-10
-20
-30
-40
10
Closed Loop Gain vs. Frequency at +5V
AV = -100
AV = -10
AV = +1
100 1000
Frequency (kHz)
10000
SG Micro Corp
www.sg-micro.com
Time (5µs/div)
Closed Loop Gain vs. Frequency at +2.5V
60
50
40 AV = -100
30
20
10 AV = -10
0
-10 AV = +1
-20
-30
-40
10
100
1000
10000
Frequency (kHz)
5

5 Page
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SGM8581 diode, scr
SGM8581
Single-Supply, Single Rail-to-Rail I/O
Precision Operational Amplifier
PACKAGE OUTLINE DIMENSIONS
SOT-23-5
D 1.90
e1
E1 E
be
2.59
0.99
0.69 0.95
RECOMMENDED LAND PATTERN (Unit: mm)
A1
A2
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
θ
SG Micro Corp
www.sg-micro.com
L
A
θ
0.2
Dimensions
In Millimeters
MIN MAX
1.050
1.250
0.000
0.100
1.050
1.150
0.300
0.500
0.100
0.200
2.820
3.020
1.500
1.700
2.650
2.950
0.950 BSC
1.900 BSC
0.300
0.600
0° 8°
Dimensions
In Inches
MIN MAX
0.041
0.049
0.000
0.004
0.041
0.045
0.012
0.020
0.004
0.008
0.111
0.119
0.059
0.067
0.104
0.116
0.037 BSC
0.075 BSC
0.012
0.024
0° 8°
c
9

9 Page





Information Total 13 Pages
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