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SGM8952 Datasheet PDF - Shengbang Microelectronics

Part Number SGM8952
Description Rail-to-Rail Input and Output OperationalAmplifiers
Manufacturers Shengbang Microelectronics 
Logo Shengbang Microelectronics Logo 

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SGM8952 datasheet, circuit
SGM8951/2
110kHz, Rail-to-Rail Input and
Output Operational Amplifiers
PRODUCT DESCRIPTION
The SGM8951 (single) and SGM8952 (dual) are
high-performance CMOS operational amplifiers
optimized for low supply operation. These amplifiers are
designed to operate on single supplies from 1.8V to 5.5V.
Applications include sensor amplification and signal
conditioning in battery-powered systems.
The SGM8951/2 offer excellent CMRR without the
crossover distortion associated with traditional
complimentary input stages. This results in excellent
linearity performance. The input common mode range
includes both the negative and positive supplies.
The SGM8951/2 provide excellent overall performance.
They exhibit low offset, making these devices an
excellent choice for high quality, low voltage or battery
powered systems.
SGM8951 single is available in Green SOT-23-5 and
SOIC-8 packages. The SGM8952 dual is available in
Green SOIC-8 and MSOP-8 packages. The SGM8951/2
are specified over the extended -40 to +85
temperature range.
FEATURES
Rail-to-Rail Input and Output
Supply Voltage Range: 1.8V to 5.5V
Low Input Offset Voltage: 0.2mV (TYP)
Gain-Bandwidth Product: 110kHz
Low Supply Current:
SGM8951 26μA (TYP)
SGM8952 34μA (TYP)
Small Packaging:
SGM8951 Available in SOT-23-5 and SOIC-8 Packages
SGM8952 Available in MSOP-8 and SOIC-8 Packages
APPLICATIONS
Data Acquisition
Process Control
Active Filters
Test Equipment
Mobile Phone
Audio Processing
Video Processing
Headphone Amplifier
Portable Equipment
Broadband Communications
SG Micro Corp
www.sg-micro.com
REV. A. 1

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SGM8952 equivalent
SGM8951/2
110kHz, Rail-to-Rail Input and
Output Operational Amplifiers
ELECTRICAL CHARACTERISTICS: VS = +1.8V
(At TA = +25, RL = 100kconnected to VS/2 and VOUT = VS/2, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
DC PERFORMANCE
Input Offset Voltage (VOS)
VCM = VS/2
-40℃ ≤ TA +85
0.3 0.9
mV
1.25
Open-Loop Voltage Gain (AOL)
RL = 10k, VOUT = 0.15V to 1.65V
-40℃ ≤ TA +85
83 100
80
dB
INPUT CHARACTERISTICS
RL = 100k, VOUT = 0.05V to 1.75V
107 dB
Input Common Mode Voltage Range (VCM)
Common Mode Rejection Ratio (CMRR)
VCM = -0.1V to 1.9V
-40℃ ≤ TA +85
-0.1 1.9 V
73 89
70
dB
OUTPUT CHARACTERISTICS
RL = 2k, VCM = VS/2
49 69
Output Voltage Swing from Rail
-40℃ ≤ TA +85
RL = 10k, VCM = VS/2
76
mV
11 23
-40℃ ≤ TA +85
28
Output Short-Circuit Current (ISC)
RL = 10to VS/2
-40℃ ≤ TA +85
0.9 4
0.5
mA
POWER SUPPLY
Quiescent Current
SGM8951
SGM8952
VCM = VS/2, IOUT = 0mA
-40℃ ≤ TA +85
VCM = VS/2, IOUT = 0mA
-40℃ ≤ TA +85
22 30
34
μA
30 43
49
Power Supply Rejection Ratio (PSRR)
DYNAMIC PERFORMANCE (1)
VS = +1.8V to +5.5V, VCM = 0.5V
-40℃ ≤ TA +85
74 80
70
dB
Gain-Bandwidth Product (GBP)
Slew Rate
NOISE/DISTORTION PERFORMANCE
CL = 100pF, RL = 100k
VOUT = 1VPP, AV = 1
100 kHz
40 V/ms
Voltage Noise Density (en)
Voltage Noise
f = 1kHz
f = 0.1Hz to 10Hz
115 nV/ Ηz
3.5 μVP-P
NOTE 1: Correct power supply bypassing is very important for optimizing SGM8951/2 performance. A 0.1µF and a 10µF capacitors
are always used to bypass VS pin of SGM8951/2. Please place these two capacitors as close to the SGM8951/2 VS pin as possible. A
large ground plane is also needed to ensure optimum performance.
SG Micro Corp
www.sg-micro.com
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Information Total 13 Pages
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